B61K1/00	7	Transferring passengers, articles, or freight to and from moving trains; Slipping or coupling vehicles from or to moving trains	B61K1/00	B61K1/00		361
B61K1/02	8	transferring articles to and from moving trains, e.g. mailbag catchers	B61K1/02	B61K1/02		1501
B61K3/00	7	Wetting or lubricating rails or wheel flanges	B61K3/00	B61K3/00		517
B61K3/02	8	Apparatus therefor combined with vehicles	B61K3/02	B61K3/02		695
B61K5/00	7	Apparatus for placing vehicles on the track; Derailers; Lifting or lowering rail vehicle axles or wheels	B61K5/00	B61K5/00		495
B61K5/02	8	Devices secured to the vehicles; Turntables integral with the vehicles	B61K5/02	B61K5/02		239
B61K5/04	8	Devices secured to the track	B61K5/04	B61K5/04		125
B61K5/06	9	Derailing or re-railing blocks	B61K5/06	B61K5/06		1183
B61K7/00	7	Railway stops fixed to permanent way; Track brakes or retarding apparatus fixed to permanent way; Sand tracks or the like	B61K7/00	B61K7/00		348
B61K7/02	8	Track brakes or retarding apparatus	B61K7/02	B61K7/02		283
B61K7/025	9	{Retarders of the mushroom type}	B61K7/02	B61K7/02		43
B61K7/04	9	with clamping action	B61K7/04	B61K7/04		285
B61K7/06	10	operated mechanically	B61K7/06	B61K7/06		127
B61K7/08	10	operated pneumatically or hydraulically	B61K7/08	B61K7/08		284
B61K7/10	9	electrodynamic {(B61K7/025 takes precedence)}	B61K7/10	B61K7/10		72
B61K7/12	9	electrically controlled {(B61K7/025 takes precedence)}	B61K7/12	B61K7/12		317
B61K7/14	8	Sand or like tracks	B61K7/14	B61K7/14		10
B61K7/16	8	Positive railway stops	B61K7/16	B61K7/16		320
B61K7/18	9	Buffer stops	B61K7/18	B61K7/18		500
B61K7/20	9	Positive wheel stops	B61K7/20	B61K7/20		664
B61K7/22	9	Axle stops	B61K7/22	B61K7/22		109
B61K9/00	7	Railway vehicle profile gauges; Detecting or indicating overheating of components; Apparatus on locomotives or cars to indicate bad track sections; General design of track recording vehicles	B61K9/00	B61K9/00		334
B61K9/02	8	Profile gauges, e.g. loading gauges	B61K9/02	B61K9/02		185
B61K9/04	8	Detectors for indicating the overheating of axle bearings and the like, e.g. associated with the brake system for applying the brakes in case of a fault	B61K9/04	B61K9/04		384
B61K9/06	9	by detecting or indicating heat radiation from overheated axles	B61K9/06	B61K9/06		299
B61K9/08	8	Measuring installations for surveying permanent way	B61K9/08	B61K9/08		2839
B61K9/10	9	for detecting cracks in rails or welds thereof	B61K9/10	B61K9/10		905
B61K9/12	8	Measuring or surveying wheel-rims	B61K9/12	B61K9/12		892
B61K11/00	7	Serving peculiar to locomotives, e.g. filling with, or emptying of, water, sand or the like at the depots	B61K11/00	B61K11/00		405
B61K11/02	8	Water columns for locomotives	B61K11/02	B61K11/02		109
B61K13/00	7	Other auxiliaries or accessories for railways	B61K13/00	B61K13/00		830
B61K13/02	8	Starting aids for cars amplifying the draw-bar pull and transmitting it to the wheels	B61K13/02	B61K13/02		10
B61K13/04	8	Passenger-warning devices attached to vehicles; Safety devices for preventing accidents to passengers when entering or leaving vehicles	B61K13/04	B61K13/04		221
