F28D1/00	7	Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators (F28D5/00 takes precedence)	F28D1/00	F28D1/00		457
F28D1/02	8	with heat-exchange conduits immersed in the body of fluid	F28D1/02	F28D1/02		422
F28D1/0206	9	{Heat exchangers immersed in a large body of liquid (apparatus using liquid heat storage material F28D20/0034)}	F28D1/02	F28D1/02		135
F28D1/0213	10	{for heating or cooling a liquid in a tank}	F28D1/02	F28D1/02		589
F28D1/022	10	{for immersion in a natural body of water, e.g. marine radiators}	F28D1/02	F28D1/02		239
F28D1/0226	9	{with an intermediate heat-transfer medium, e.g. thermosiphon radiators}	F28D1/02	F28D1/02		298
F28D1/0233	9	{with air flow channels}	F28D1/02	F28D1/02		519
F28D1/024	10	{with an air driving element}	F28D1/02	F28D1/02		1623
F28D1/0246	9	{heat-exchange elements having several adjacent conduits forming a whole, e.g. blocks}	F28D1/02	F28D1/02		486
F28D2001/0253	9	{Particular components}	F28D1/02	F28D1/02		29
F28D2001/026	10	{Cores}	F28D1/02	F28D1/02		44
F28D2001/0266	11	{Particular core assemblies, e.g. having different orientations or having different geometric features}	F28D1/02	F28D1/02		278
F28D2001/0273	11	{having special shape, e.g. curved, annular}	F28D1/02	F28D1/02		346
F28D2001/028	11	{with empty spaces or with additional elements integrated into the cores}	F28D1/02	F28D1/02		91
F28D2001/0286	10	{Radiating plates;  Decorative panels}	F28D1/02	F28D1/02		86
F28D2001/0293	11	{with grooves for integration of conduits}	F28D1/02	F28D1/02		21
F28D1/03	9	with plate-like or laminated conduits {(stacked plates having one or more openings therein to form tubular heat-exchange passages F28F3/086)}	F28D1/03	F28D1/03		631
F28D1/0308	10	{the conduits being formed by paired plates touching each other (F28D1/0358 takes precedence)}	F28D1/03	F28D1/03		730
F28D1/0316	11	{Assemblies of conduits in parallel (F28D1/0325, F28D1/035 take precedence)}	F28D1/03	F28D1/03		546
F28D1/0325	11	{the plates having lateral openings therein for circulation of the heat-exchange medium from one conduit to another}	F28D1/03	F28D1/03		263
F28D1/0333	12	{the plates having integrated connecting members}	F28D1/03	F28D1/03		701
F28D1/0341	13	{with U-flow or serpentine-flow inside the conduits}	F28D1/03	F28D1/03		603
F28D1/035	11	{with U-flow or serpentine-flow inside the conduits (F28D1/0341 takes precedence)}	F28D1/03	F28D1/03		416
F28D1/0358	10	{the conduits being formed by bent plates}	F28D1/03	F28D1/03		488
F28D1/0366	10	{the conduits being formed by spaced plates with inserted elements (F28D1/0358 takes precedence)}	F28D1/03	F28D1/03		186
F28D1/0375	11	{the plates having lateral openings therein for circulation of the heat-exchange medium from one conduit to another}	F28D1/03	F28D1/03		59
F28D1/0383	11	{with U-flow or serpentine-flow inside the conduits}	F28D1/03	F28D1/03		84
F28D1/0391	10	{a single plate being bent to form one or more conduits}	F28D1/03	F28D1/03		850
F28D1/04	9	with tubular conduits {(F28D1/0246 takes precedence)}	F28D1/04	F28D1/04		784
F28D1/0408	10	{Multi-circuit heat exchangers, e.g. integrating different heat exchange sections in the same unit or heat exchangers for more than two fluids (F28F9/0234 takes precedence)}	F28D1/04	F28D1/04		327
F28D1/0417	11	{with particular circuits for the same heat exchange medium, e.g. with the heat exchange medium flowing through sections having different heat exchange capacities or for heating/cooling the heat exchange medium at different temperatures}	F28D1/04	F28D1/04		428
F28D1/0426	11	{with units having particular arrangement relative to the large body of fluid, e.g. with interleaved units or with adjacent heat exchange units in common air flow or with units extending at an angle to each other or with units arranged around a central element}	F28D1/04	F28D1/04		351
F28D1/0435	12	{Combination of units extending one behind the other (F28D1/0452 takes precedence)}	F28D1/04	F28D1/04		955
F28D1/0443	12	{Combination of units extending one beside or one above the other (F28D1/0452 takes precedence)}	F28D1/04	F28D1/04		529
F28D1/0452	12	{Combination of units extending one behind the other with units extending one beside or one above the other}	F28D1/04	F28D1/04		125
F28D1/0461	11	{Combination of different types of heat exchanger, e.g. radiator combined with tube-and-shell heat exchanger; Arrangement of conduits for heat exchange between at least two media and for heat exchange between at least one medium and the large body of fluid}	F28D1/04	F28D1/04		201
F28D1/047	10	the conduits being bent, e.g. in a serpentine or zig-zag	F28D1/047	F28D1/047		852
F28D1/0471	11	{the conduits having a non-circular cross-section (F28D1/0473, F28D1/0476, F28D1/0478 take precedence)}	F28D1/047	F28D1/047		265
F28D1/0472	11	{the conduits being helically or spirally coiled}	F28D1/047	F28D1/047		651
F28D1/0473	12	{the conduits having a non-circular cross-section}	F28D1/047	F28D1/047		91
F28D1/0475	11	{the conduits having a single U-bend}	F28D1/047	F28D1/047		382
F28D1/0476	12	{the conduits having a non-circular cross-section}	F28D1/047	F28D1/047		259
F28D1/0477	11	{the conduits being bent in a serpentine or zig-zag}	F28D1/047	F28D1/047		2285
F28D1/0478	12	{the conduits having a non-circular cross-section}	F28D1/047	F28D1/047		621
F28D1/053	10	the conduits being straight	F28D1/053	F28D1/053		1573
F28D1/05308	11	{Assemblies of conduits connected side by side or with individual headers, e.g. section type radiators (F28D1/05358 takes precedence)}	F28D1/053	F28D1/053		489
F28D1/05316	11	{Assemblies of conduits connected to common headers, e.g. core type radiators (F28D1/05366 takes precedence)}	F28D1/053	F28D1/053		959
F28D1/05325	12	{with particular pattern of flow, e.g. change of flow direction (F28D1/05341 takes precedence)}	F28D1/053	F28D1/053		297
F28D1/05333	12	{with multiple rows of conduits or with multi-channel conduits (F28D1/05341 takes precedence)}	F28D1/053	F28D1/053		668
F28D1/05341	12	{with multiple rows of conduits or with multi-channel conduits combined with a particular flow pattern, e.g. multi-row multi-stage radiators}	F28D1/053	F28D1/053		268
F28D1/0535	11	{the conduits having a non-circular cross-section}	F28D1/053	F28D1/053		695
F28D1/05358	12	{Assemblies of conduits connected side by side or with individual headers, e.g. section type radiators}	F28D1/053	F28D1/053		353
F28D1/05366	12	{Assemblies of conduits connected to common headers, e.g. core type radiators}	F28D1/053	F28D1/053		2047
F28D1/05375	13	{with particular pattern of flow, e.g. change of flow direction (F28D1/05391 takes precedence)}	F28D1/053	F28D1/053		573
F28D1/05383	13	{with multiple rows of conduits or with multi-channel conduits (F28D1/05391 takes precedence)}	F28D1/053	F28D1/053		1033
F28D1/05391	13	{with multiple rows of conduits or with multi-channel conduits combined with a particular flow pattern, e.g. multi-row multi-stage radiators}	F28D1/053	F28D1/053		1391
F28D1/06	8	with the heat-exchange conduits forming part of, or being attached to, the tank containing the body of fluid	F28D1/06	F28D1/06		1021
F28D3/00	7	Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium flows in a continuous film, or trickles freely, over the conduits (F28D5/00 takes precedence)	F28D3/00	F28D3/00		302
F28D3/02	8	with tubular conduits	F28D3/02	F28D3/02		910
F28D3/04	8	Distributing arrangements	F28D3/04	F28D3/04		436
F28D5/00	7	Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, using the cooling effect of natural or forced evaporation	F28D5/00	F28D5/00		835
F28D5/02	8	in which the evaporating medium flows in a continuous film or trickles freely over the conduits	F28D5/02	F28D5/02		1155
F28D7/00	7	Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall	F28D7/00	F28D7/00		1588
F28D7/0008	8	{the conduits for one medium being in heat conductive contact with the conduits for the other medium}	F28D7/00	F28D7/00		612
F28D7/0016	9	{the conduits for one medium or the conduits for both media being bent (F28D7/0033 takes precedence)}	F28D7/00	F28D7/00		401
F28D7/0025	9	{the conduits for one medium or the conduits for both media being flat tubes or arrays of tubes}	F28D7/00	F28D7/00		404
F28D7/0033	10	{the conduits for one medium or the conduits for both media being bent}	F28D7/00	F28D7/00		201
F28D7/0041	8	{the conduits for only one medium being tubes having parts touching each other or tubes assembled in panel form (F28D7/0008, F28D7/0058 take precedence)}	F28D7/00	F28D7/00		566
F28D7/005	8	{the conduits for only one medium being tubes having bent portions or being assembled from bent tubes or being tubes having a toroidal configuration (F28D7/0008, F28D7/02, F28D7/04, F28D7/06, F28D7/14 take precedence)}	F28D7/00	F28D7/00		374
F28D7/0058	8	{the conduits for only one medium being tubes having different orientations to each other or crossing the conduit for the other heat exchange medium (F28D7/0008 takes precedence)}	F28D7/00	F28D7/00		310
F28D7/0066	8	{Multi-circuit heat-exchangers, e.g. integrating different heat exchange sections in the same unit or heat-exchangers for more than two fluids (F28D7/103 takes precedence)}	F28D7/00	F28D7/00		994
F28D7/0075	9	{with particular circuits for the same heat exchange medium, e.g. with the same heat exchange medium flowing through sections having different heat exchange capacities or for heating or cooling the same heat exchange medium at different temperatures}	F28D7/00	F28D7/00		227
F28D7/0083	9	{with units having particular arrangement relative to a supplementary heat exchange medium, e.g. with interleaved units or with adjacent units arranged in common flow of supplementary heat exchange medium}	F28D7/00	F28D7/00		327
F28D7/0091	10	{the supplementary medium flowing in series through the units}	F28D7/00	F28D7/00		218
F28D7/02	8	the conduits being helically coiled (F28D7/10 takes precedence {F28D7/0016 and F28D7/0033 take precedence})	F28D7/02	F28D7/02		766
F28D7/022	9	{the conduits of two or more media in heat-exchange relationship being helically coiled, the coils having a cylindrical configuration}	F28D7/02	F28D7/02		576
F28D7/024	9	{the conduits of only one medium being helically coiled tubes, the coils having a cylindrical configuration}	F28D7/02	F28D7/02		3006
F28D7/026	9	{the conduits of only one medium being helically coiled and formed by bent members, e.g. plates, the coils having a cylindrical configuration}	F28D7/02	F28D7/02		427
F28D7/028	9	{the conduits of at least one medium being helically coiled, the coils having a conical configuration}	F28D7/02	F28D7/02		144
F28D7/04	8	the conduits being spirally coiled (F28D7/10 takes precedence){(F28D7/0016 and F28D7/0033 take precedence)}	F28D7/04	F28D7/04		923
F28D7/06	8	the conduits having a single U-bend (F28D7/10 takes precedence){(F28D7/0016 and F28D7/0033 take precedence)}	F28D7/06	F28D7/06		1749
F28D7/08	8	the conduits being otherwise bent, e.g. in a serpentine or zig-zag (F28D7/10 takes precedence){(F28D7/0016 and F28D7/0033 take precedence)}	F28D7/08	F28D7/08		1553
F28D7/082	9	{with serpentine or zig-zag configuration}	F28D7/08	F28D7/08		1367
F28D7/085	10	{in the form of parallel conduits coupled by bent portions}	F28D7/08	F28D7/08		549
F28D7/087	11	{assembled in arrays, each array being arranged in the same plane}	F28D7/08	F28D7/08		357
F28D7/10	8	the conduits being arranged one within the other, e.g. concentrically {(multiple wall tubes for leak detection F28F1/003)}	F28D7/10	F28D7/10		1447
F28D7/103	9	{consisting of more than two coaxial conduits or modules of more than two coaxial conduits}	F28D7/10	F28D7/10		1023
F28D7/106	9	{consisting of two coaxial conduits or modules of two coaxial conduits}	F28D7/10	F28D7/10		2504
F28D7/12	9	the surrounding tube being closed at one end, e.g. return type (F28D7/14 takes precedence)	F28D7/12	F28D7/12		886
F28D7/14	9	both tubes being bent	F28D7/14	F28D7/14		454
F28D7/16	8	the conduits being arranged in parallel spaced relation ({F28D7/0008&#160;-&#160;F28D7/0058 take precedence}; F28D7/02 - F28D7/10 take precedence)	F28D7/16	F28D7/16		3739
F28D7/1607	9	{with particular pattern of flow of the heat exchange media, e.g. change of flow direction (F28D7/1623, F28D7/1638, F28D7/1661, F28D7/1676, F28D7/1692 take precedence)}	F28D7/16	F28D7/16		1016
F28D7/1615	9	{the conduits being inside a casing and extending at an angle to the longitudinal axis of the casing; the conduits crossing the conduit for the other heat exchange medium}	F28D7/16	F28D7/16		459
F28D7/1623	10	{with particular pattern of flow of the heat exchange media, e.g. change of flow direction}	F28D7/16	F28D7/16		334
F28D7/163	9	{with conduit assemblies having a particular shape, e.g. square or annular; with assemblies of conduits having different geometrical features; with multiple groups of conduits connected in series or parallel and arranged inside common casing (F28D7/1615 takes precedence)}	F28D7/16	F28D7/16		600
F28D7/1638	10	{with particular pattern of flow or the heat exchange medium flowing inside the conduits assemblies, e.g. change of flow direction from one conduit assembly to another one (F28D7/1661, F28D7/1676 take precedence)}	F28D7/16	F28D7/16		310
F28D7/1646	11	{with particular pattern of flow of the heat exchange medium flowing outside the conduit assemblies, e.g. change of flow direction}	F28D7/16	F28D7/16		194
F28D7/1653	10	{the conduit assemblies having a square or rectangular shape}	F28D7/16	F28D7/16		305
F28D7/1661	11	{with particular pattern of flow of the heat exchange media, e.g. change of flow direction}	F28D7/16	F28D7/16		111
F28D7/1669	10	{the conduit assemblies having an annular shape; the conduits being assembled around a central distribution tube}	F28D7/16	F28D7/16		530
F28D7/1676	11	{with particular pattern of flow of the heat exchange media, e.g. change of flow direction}	F28D7/16	F28D7/16		158
F28D7/1684	9	{the conduits having a non-circular cross-section}	F28D7/16	F28D7/16		811
F28D7/1692	10	{with particular pattern of flow of the heat exchange media, e.g. change of flow direction}	F28D7/16	F28D7/16		250
F28D9/00	7	Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall {(F28F3/083, F28F3/086 take precedence)}	F28D9/00	F28D9/00		2609
F28D9/0006	8	{the plate-like or laminated conduits being enclosed within a pressure vessel}	F28D9/00	F28D9/00		517
F28D9/0012	8	{the apparatus having an annular form}	F28D9/00	F28D9/00		451
F28D9/0018	9	{without any annular circulation of the heat exchange media}	F28D9/00	F28D9/00		267
F28D9/0025	8	{the conduits being formed by zig-zag bend plates}	F28D9/00	F28D9/00		614
F28D9/0031	8	{the conduits for one heat-exchange medium being formed by paired plates touching each other (F28D9/0012, F28D9/0025, F28D9/0081, F28D9/04 take precedence)}	F28D9/00	F28D9/00		940
F28D9/0037	9	{the conduits for the other heat-exchange medium also being formed by paired plates touching each other (F28D9/0043 takes precedence)}	F28D9/00	F28D9/00		1859
F28D9/0043	9	{the plates having openings therein for circulation of at least one heat-exchange medium from one conduit to another}	F28D9/00	F28D9/00		1024
F28D9/005	10	{the plates having openings therein for both heat-exchange media}	F28D9/00	F28D9/00		2115
F28D9/0056	10	{with U-flow or serpentine-flow inside conduits; with centrally arranged openings on the plates}	F28D9/00	F28D9/00		412
F28D9/0062	8	{the conduits for one heat-exchange medium being formed by spaced plates with inserted elements (F28D9/0012, F28D9/0025, F28D9/0081, F28D9/04 take precedence)}	F28D9/00	F28D9/00		1320
F28D9/0068	9	{with means for changing flow direction of one heat exchange medium, e.g. using deflecting zones}	F28D9/00	F28D9/00		593
F28D9/0075	9	{the plates having openings therein for circulation of the heat-exchange medium from one conduit to another}	F28D9/00	F28D9/00		391
F28D9/0081	8	{the conduits for one heat-exchange medium being formed by a single plate-like element (F28D9/0012 takes precedence); the conduits for one heat-exchange medium being integrated in one single plate-like element (F28D9/0012 takes precedence)}	F28D9/00	F28D9/00		460
F28D9/0087	8	{with flexible plates}	F28D9/00	F28D9/00		76
F28D9/0093	8	{Multi-circuit heat-exchangers, e.g. integrating different heat exchange sections in the same unit or heat-exchangers for more than two fluids}	F28D9/00	F28D9/00		1022
F28D9/02	8	the heat-exchange media travelling at an angle to one another (F28D9/04 takes precedence)	F28D9/02	F28D9/02		273
F28D9/04	8	the conduits being formed by spirally-wound plates or laminae	F28D9/04	F28D9/04		1062
F28D11/00	7	Heat-exchange apparatus employing moving conduits {(F28D15/0208 takes precedence)}	F28D11/00	F28D11/00		106
F28D11/02	8	the movement being rotary, e.g. performed by a drum or roller (F28D11/08 takes precedence)	F28D11/02	F28D11/02		760
F28D11/025	9	{Motor car radiators}	F28D11/02	F28D11/02		46
F28D11/04	9	performed by a tube or a bundle of tubes	F28D11/04	F28D11/04		469
F28D11/06	8	the movement being reciprocating or oscillating (F28D11/08 takes precedence)	F28D11/06	F28D11/06		66
F28D11/08	8	more than one conduit assembly performing independent movements, e.g. rotary bundle of tubes in a rotary drum	F28D11/08	F28D11/08		34
F28D13/00	7	Heat-exchange apparatus using a fluidised bed	F28D13/00	F28D13/00		650
F28D15/00	7	Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls {; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies (F28D17/00, F28D19/00, F28D20/00 take precedence)}	F28D15/00	F28D15/00		1595
F28D15/02	8	in which the medium condenses and evaporates, e.g. heat pipes {(heat pipes used in solar heat collectors F24S10/95; in radiators F28D1/0226; in nuclear reactors G21C15/257)}	F28D15/02	F28D15/02		4031
F28D15/0208	9	{using moving tubes}	F28D15/02	F28D15/02		172
F28D2015/0216	9	{having particular orientation, e.g. slanted, or being orientation-independent}	F28D15/02	F28D15/02		193
F28D2015/0225	9	{Microheat pipes}	F28D15/02	F28D15/02		206
F28D15/0233	9	{the conduits having a particular shape, e.g. non-circular cross-section, annular (F28D15/0241, F28D15/0266 take precedence)}	F28D15/02	F28D15/02		3756
F28D15/0241	9	{the tubes being flexible}	F28D15/02	F28D15/02		298
F28D15/025	9	{having non-capillary condensate return means}	F28D15/02	F28D15/02		464
F28D15/0258	9	{with means to remove contaminants, e.g. getters}	F28D15/02	F28D15/02		110
F28D15/0266	9	{with separate evaporating and condensing chambers connected by at least one conduit; Loop-type heat pipes; with multiple or common evaporating or condensing chambers (F28D15/043 takes precedence)}	F28D15/02	F28D15/02		4420
F28D15/0275	9	{Arrangements for coupling heat-pipes together or with other structures, e.g. with base blocks; Heat pipe cores}	F28D15/02	F28D15/02		4367
F28D15/0283	9	{Means for filling or sealing heat pipes}	F28D15/02	F28D15/02		1085
F28D2015/0291	9	{comprising internal rotor means, e.g. turbine driven by the working fluid}	F28D15/02	F28D15/02		143
F28D15/04	9	with tubes having a capillary structure	F28D15/04	F28D15/04		1955
F28D15/043	10	{forming loops, e.g. capillary pumped loops}	F28D15/04	F28D15/04		821
F28D15/046	10	{characterised by the material or the construction of the capillary structure}	F28D15/04	F28D15/04		3483
F28D15/06	9	Control arrangements therefor	F28D15/06	F28D15/06		1085
F28D17/00	7	Regenerative heat-exchange apparatus in which a stationary intermediate heat-transfer medium or body is contacted successively by each heat-exchange medium, e.g. using granular particles	F28D17/00	F28D17/00		591
F28D17/005	8	{using granular particles}	F28D17/00	F28D17/00		190
F28D17/02	8	using rigid bodies, e.g. of porous material	F28D17/02	F28D17/02		881
F28D17/023	9	{Sealing means}	F28D17/02	F28D17/02		53
F28D17/026	9	{Bearings; Driving means}	F28D17/02	F28D17/02		16
F28D17/04	8	Distributing arrangements for the heat-exchange media	F28D17/04	F28D17/04		266
F28D19/00	7	Regenerative heat-exchange apparatus in which the intermediate heat-transfer medium or body is moved successively into contact with each heat-exchange medium {(F28D15/02 takes precedence)}	F28D19/00	F28D19/00		247
F28D19/02	8	using granular particles	F28D19/02	F28D19/02		174
F28D19/04	8	using rigid bodies, e.g. mounted on a movable carrier	F28D19/04	F28D19/04		555
F28D19/041	9	{with axial flow through the intermediate heat-transfer medium}	F28D19/04	F28D19/04		384
F28D19/042	10	{Rotors; Assemblies of heat absorbing masses}	F28D19/04	F28D19/04		370
F28D19/044	11	{shaped in sector form, e.g. with baskets}	F28D19/04	F28D19/04		281
F28D19/045	9	{with radial flow through the intermediate heat-transfer medium}	F28D19/04	F28D19/04		120
F28D19/047	9	{Sealing means}	F28D19/04	F28D19/04		787
F28D19/048	9	{Bearings; Driving means}	F28D19/04	F28D19/04		228
F28D20/00	7	Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00	F28D20/00	F28D20/00		2379
F28D2020/0004	8	{Particular heat storage apparatus}	F28D20/00	F28D20/00		195
F28D2020/0008	9	{the heat storage material being enclosed in plate-like or laminated elements, e.g. in plates having internal compartments}	F28D20/00	F28D20/00		389
F28D2020/0013	9	{the heat storage material being enclosed in elements attached to or integral with heat exchange conduits}	F28D20/00	F28D20/00		442
F28D2020/0017	9	{the heat storage material being enclosed in porous or cellular or fibrous structures}	F28D20/00	F28D20/00		115
F28D2020/0021	9	{the heat storage material being enclosed in loose or stacked elements}	F28D20/00	F28D20/00		190
F28D2020/0026	9	{the heat storage material being enclosed in mobile containers for transporting thermal energy}	F28D20/00	F28D20/00		192
F28D20/003	8	{using thermochemical reactions}	F28D20/00	F28D20/00		1026
F28D20/0034	8	{using liquid heat storage material}	F28D20/00	F28D20/00		3093
F28D20/0039	9	{with stratification of the heat storage material}	F28D20/00	F28D20/00		1042
F28D20/0043	9	{specially adapted for long-term heat storage; Underground tanks; Floating reservoirs; Pools; Ponds (F28D20/0052 takes precedence)}	F28D20/00	F28D20/00		438
F28D2020/0047	9	{using molten salts or liquid metals}	F28D20/00	F28D20/00		1093
F28D20/0052	8	{using the ground body or aquifers as heat storage medium}	F28D20/00	F28D20/00		846
F28D20/0056	8	{using solid heat storage material (F28D20/0052 takes precedence)}	F28D20/00	F28D20/00		2122
F28D2020/006	8	{Heat storage systems not otherwise provided for}	F28D20/00	F28D20/00		246
F28D2020/0065	8	{Details, e.g. particular heat storage tanks, auxiliary members within tanks}	F28D20/00	F28D20/00		442
F28D2020/0069	9	{Distributing arrangements;  Fluid deflecting means}	F28D20/00	F28D20/00		792
F28D2020/0073	10	{movable}	F28D20/00	F28D20/00		91
F28D2020/0078	9	{Heat exchanger arrangements}	F28D20/00	F28D20/00		1206
F28D2020/0082	9	{Multiple tanks arrangements, e.g. adjacent tanks, tank in tank}	F28D20/00	F28D20/00		740
F28D2020/0086	9	{Partitions}	F28D20/00	F28D20/00		331
F28D2020/0091	10	{flexible}	F28D20/00	F28D20/00		55
F28D2020/0095	10	{movable or floating}	F28D20/00	F28D20/00		120
F28D20/02	8	using latent heat	F28D20/02	F28D20/02		3413
F28D20/021	9	{the latent heat storage material and the heat-exchanging means being enclosed in one container (F28D20/023&#160;-&#160;F28D20/028 take precedence)}	F28D20/02	F28D20/02		2271
F28D20/023	9	{the latent heat storage material being enclosed in granular particles or dispersed in a porous, fibrous or cellular structure}	F28D20/02	F28D20/02		1362
F28D20/025	9	{the latent heat storage material being in direct contact with a heat-exchange medium or with another heat storage material (F28D20/003 takes precedence)}	F28D20/02	F28D20/02		335
F28D20/026	9	{with different heat storage materials not coming into direct contact}	F28D20/02	F28D20/02		287
F28D20/028	9	{Control arrangements therefor}	F28D20/02	F28D20/02		1026
F28D21/00	7	Heat-exchange apparatus not covered by any of the groups F28D1/00&#160;-&#160;F28D20/00<br><br><u>NOTE</u><br><br> Particular use of heat exchangers is classified in F28D21/00 and subgroups, whereas additionally the type of the heat exchangers is classified in the groups F28D1/00&#160;-&#160;F28D20/00	F28D21/00	F28D21/00		2907
F28D21/0001	8	{Recuperative heat exchangers}	F28D21/00	F28D21/00		874
F28D21/0003	9	{the heat being recuperated from exhaust gases (F28D21/0014 takes precedence)}	F28D21/00	F28D21/00		2562
F28D21/0005	10	{for domestic or space-heating systems}	F28D21/00	F28D21/00		128
F28D21/0007	11	{Water heaters}	F28D21/00	F28D21/00		1131
F28D21/0008	11	{Air heaters}	F28D21/00	F28D21/00		593
F28D21/001	10	{for thermal power plants or industrial processes}	F28D21/00	F28D21/00		718
F28D21/0012	9	{the heat being recuperated from waste water or from condensates}	F28D21/00	F28D21/00		1481
F28D21/0014	9	{the heat being recuperated from waste air or from vapors (for air conditioning F24F12/001)}	F28D21/00	F28D21/00		1481
F28D21/0015	8	{Heat and mass exchangers, e.g. with permeable walls}	F28D21/00	F28D21/00		479
F28D21/0017	8	{Flooded core heat exchangers (in large body of fluid F28D1/0206)}	F28D21/00	F28D21/00		176
F28D2021/0019	8	{Other heat exchangers for particular applications;  Heat exchange systems not otherwise provided for}	F28D21/00	F28D21/00		345
F28D2021/0021	9	{for aircrafts or cosmonautics}	F28D21/00	F28D21/00		705
F28D2021/0022	9	{for chemical reactors}	F28D21/00	F28D21/00		489
F28D2021/0024	9	{for combustion apparatus, e.g. for boilers}	F28D21/00	F28D21/00		606
F28D2021/0026	9	{for combustion engines, e.g. for gas turbines or for Stirling engines}	F28D21/00	F28D21/00		413
F28D2021/0028	9	{for cooling heat generating elements, e.g. for cooling electronic components or electric devices}	F28D21/00	F28D21/00		771
F28D2021/0029	10	{Heat sinks}	F28D21/00	F28D21/00		1772
F28D2021/0031	10	{Radiators for recooling a coolant of cooling systems}	F28D21/00	F28D21/00		399
F28D2021/0033	9	{for cryogenic applications}	F28D21/00	F28D21/00		391
F28D2021/0035	9	{for domestic or space heating, e.g. heating radiators}	F28D21/00	F28D21/00		1486
F28D2021/0036	10	{Radiators for drying, e.g. towel radiators}	F28D21/00	F28D21/00		215
F28D2021/0038	9	{for drying or dehumidifying gases or vapours}	F28D21/00	F28D21/00		214
F28D2021/004	9	{for engine or machine cooling systems}	F28D21/00	F28D21/00		182
F28D2021/0042	9	{for foodstuffs}	F28D21/00	F28D21/00		260
F28D2021/0043	9	{for fuel cells}	F28D21/00	F28D21/00		445
F28D2021/0045	9	{for granular materials}	F28D21/00	F28D21/00		178
F28D2021/0047	9	{for hydrogen or other compressed gas storage tanks}	F28D21/00	F28D21/00		76
F28D2021/0049	9	{for lubricants, e.g. oil coolers}	F28D21/00	F28D21/00		187
F28D2021/005	9	{for medical applications}	F28D21/00	F28D21/00		124
F28D2021/0052	9	{for mixers}	F28D21/00	F28D21/00		93
F28D2021/0054	9	{for nuclear applications}	F28D21/00	F28D21/00		541
F28D2021/0056	9	{for ovens or furnaces}	F28D21/00	F28D21/00		77
F28D2021/0057	10	{for melting materials}	F28D21/00	F28D21/00		20
F28D2021/0059	9	{for petrochemical plants}	F28D21/00	F28D21/00		193
F28D2021/0061	9	{for phase-change applications}	F28D21/00	F28D21/00		145
F28D2021/0063	10	{Condensers}	F28D21/00	F28D21/00		199
F28D2021/0064	10	{Vaporizers, e.g. evaporators}	F28D21/00	F28D21/00		585
F28D2021/0066	10	{with combined condensation and evaporation}	F28D21/00	F28D21/00		84
F28D2021/0068	9	{for refrigerant cycles}	F28D21/00	F28D21/00		918
F28D2021/007	10	{Condensers}	F28D21/00	F28D21/00		509
F28D2021/0071	10	{Evaporators}	F28D21/00	F28D21/00		814
F28D2021/0073	10	{Gas coolers}	F28D21/00	F28D21/00		234
F28D2021/0075	9	{for syngas or cracked gas cooling systems}	F28D21/00	F28D21/00		322
F28D2021/0077	9	{for tempering, e.g. with cooling or heating circuits for temperature control of elements}	F28D21/00	F28D21/00		272
F28D2021/0078	10	{in the form of cooling walls}	F28D21/00	F28D21/00		120
F28D2021/008	9	{for vehicles}	F28D21/00	F28D21/00		996
F28D2021/0082	10	{Charged air coolers}	F28D21/00	F28D21/00		966
F28D2021/0084	10	{Condensers}	F28D21/00	F28D21/00		952
F28D2021/0085	10	{Evaporators}	F28D21/00	F28D21/00		804
F28D2021/0087	10	{Fuel coolers}	F28D21/00	F28D21/00		53
F28D2021/0089	10	{Oil coolers}	F28D21/00	F28D21/00		732
F28D2021/0091	10	{Radiators}	F28D21/00	F28D21/00		237
F28D2021/0092	11	{with particular location on vehicle, e.g. under floor or on roof}	F28D21/00	F28D21/00		56
F28D2021/0094	11	{for recooling the engine coolant}	F28D21/00	F28D21/00		765
F28D2021/0096	11	{for space heating}	F28D21/00	F28D21/00		280
F28D2021/0098	9	{for viscous or semi-liquid materials, e.g. for processing sludge}	F28D21/00	F28D21/00		95
