F23M3/00	7	Firebridges	F23M3/00	F23M3/00		335
F23M3/02	8	modified for circulation of fluids, e.g. air, steam, water	F23M3/02	F23M3/02		20
F23M3/04	9	for delivery of gas, e.g. air, steam	F23M3/04	F23M3/04		8
F23M3/06	10	into or towards fire	F23M3/06	F23M3/06		17
F23M3/08	10	away from fire, e.g. towards smoke outlet	F23M3/08	F23M3/08		17
F23M3/10	10	transversely	F23M3/10	F23M3/10		3
F23M3/12	8	characterised by shape or construction	F23M3/12	F23M3/12		15
F23M3/14	9	with apertures for passage of combustion products	F23M3/14	F23M3/14		15
F23M3/16	9	built-up in sections, e.g. using bars or blocks	F23M3/16	F23M3/16		6
F23M3/18	9	double; multiple	F23M3/18	F23M3/18		3
F23M3/20	9	comprising loose refractory material, wholly or in part	F23M3/20	F23M3/20		2
F23M3/22	8	movable; adjustable	F23M3/22	F23M3/22		8
F23M5/00	7	Casings; Linings; Walls	F23M5/00	F23M5/00		1578
F23M5/02	8	characterised by the shape of the bricks or blocks used	F23M5/02	F23M5/02		805
F23M5/025	9	{specially adapted for burner openings}	F23M5/02	F23M5/02		299
F23M5/04	8	Supports for linings	F23M5/04	F23M5/04		495
F23M5/06	8	Crowns or roofs for combustion chambers	F23M5/06	F23M5/06		774
F23M5/08	8	Cooling thereof; Tube walls	F23M5/08	F23M5/08		2184
F23M5/085	9	{using air or other gas as the cooling medium}	F23M5/08	F23M5/08		781
F23M7/00	7	Doors	F23M7/00	F23M7/00		1553
F23M7/02	8	Frames therefor	F23M7/02	F23M7/02		34
F23M7/04	8	Cooling doors or door frames	F23M7/04	F23M7/04		99
F23M9/00	7	Baffles or deflectors for air or combustion products (baffles or deflectors for air or combustion products structurally associated with burners F23D); Flame shields	F23M9/00	F23M9/00		446
F23M9/003	8	{in flue gas ducts}	F23M9/00	F23M9/00		165
F23M9/006	9	{Backflow diverters}	F23M9/00	F23M9/00		279
F23M9/02	8	in air inlets	F23M9/02	F23M9/02		695
F23M9/04	8	with air supply passages in the baffle or shield	F23M9/04	F23M9/04		60
F23M9/06	8	in fire-boxes	F23M9/06	F23M9/06		576
F23M9/08	8	Helical or twisted baffles or deflectors	F23M9/08	F23M9/08		85
F23M9/10	8	Baffles or deflectors formed as tubes, e.g. in water-tube boilers	F23M9/10	F23M9/10		130
F23M11/00	7	Safety arrangements	F23M11/00	F23M11/00		345
F23M11/02	8	Preventing emission of flames or hot gases, or admission of air, through working or charging apertures	F23M11/02	F23M11/02		316
F23M11/04	8	Means for supervising combustion, e.g. windows	F23M11/04	F23M11/04		409
F23M11/042	9	{Viewing ports of windows}	F23M11/04	F23M11/04		243
F23M11/045	9	{by observing the flame}	F23M11/04	F23M11/04		486
F23M11/047	9	{by observing the flue gas (controlling combustion using gas detectors F23N5/003)}	F23M11/04	F23M11/04		29
F23M20/00	7	Details of combustion chambers, not otherwise provided for {, e.g. means for storing heat from flames}	F23M20/00	F23M20/00		1002
F23M20/005	8	{Noise absorbing means}	F23M20/00	F23M20/00		573
F23M2700/00	7	Constructional details of combustion chambers	CPCONLY	F23M2700/00		9
F23M2700/005	8	Structures of combustion chambers or smoke ducts	CPCONLY	F23M2700/005		323
F23M2700/0053	9	Bricks for combustion chamber walls	CPCONLY	F23M2700/0053		160
F23M2700/0056	9	Bricks for water tube combustion chamber walls	CPCONLY	F23M2700/0056		135
F23M2700/007	8	Automatic fire extinguishing devices	CPCONLY	F23M2700/007		26
F23M2700/008	8	Preventing outwards emission of flames or hot gases	CPCONLY	F23M2700/008		38
F23M2900/00	7	Special features of, or arrangements for combustion chambers	CPCONLY	F23M2900/00		55
F23M2900/05001	8	Preventing corrosion by using special lining materials or other techniques	CPCONLY	F23M2900/05001		75
F23M2900/05002	8	Means for accommodate thermal expansion of the wall liner	CPCONLY	F23M2900/05002		67
F23M2900/05003	8	Details of manufacturing specially adapted for combustion chambers	CPCONLY	F23M2900/05003		48
F23M2900/05004	8	Special materials for walls or lining	CPCONLY	F23M2900/05004		497
F23M2900/05005	8	Sealing means between wall tiles or panels	CPCONLY	F23M2900/05005		51
F23M2900/05021	8	Wall blocks adapted for burner openings	CPCONLY	F23M2900/05021		55
F23M2900/09061	8	Moving baffles, e.g. rotating baffles, for creating vortices	CPCONLY	F23M2900/09061		7
F23M2900/09062	8	Tube-shaped baffles confining the flame	CPCONLY	F23M2900/09062		42
F23M2900/11021	8	Means for avoiding accidental fires in rooms where the combustion device is located	CPCONLY	F23M2900/11021		61
F23M2900/11041	8	Means for observing or monitoring flames using photoelectric devices, e.g. phototransistors	CPCONLY	F23M2900/11041		23
F23M2900/13001	8	Energy recovery by fuel cells arranged in the combustion plant	CPCONLY	F23M2900/13001		5
F23M2900/13002	8	Energy recovery by heat storage elements arranged in the combustion chamber	CPCONLY	F23M2900/13002		44
F23M2900/13003	8	Energy recovery by thermoelectric elements, e.g. by Peltier/Seebeck effect, arranged in the combustion plant	CPCONLY	F23M2900/13003		142
F23M2900/13004	8	Energy recovery by thermo-photo-voltaic [TPV] elements arranged in the combustion plant	CPCONLY	F23M2900/13004		35
