CPC Subgroup
B61H 13/20 Transmitting mechanisms
Full Title
Actuating rail-vehicle brakes > Transmitting mechanisms
5 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- B61H 13/22 for braking a single wheel or wheels at one side only, e.g. for locomotives or motor railcars
- B61H 13/24 for cars with two axles or bogies with two axles and braking cylinder(s) for each bogie, the mechanisms at each side being interconnected
- B61H 13/26 for cars or bogies with more than two axles or bogies, the mechanisms at each side being interconnected
- B61H 13/28 with variable leverage or mechanical advantage to obtain quick take-up
- B61H 13/30 adjustable to take account of variation of vehicle weight (arrangements for adjusting wheel-braking force in response to vehicle weight or load B60T8/18)
Top Applicants
Top 10 applicants by patent filingsfor class B61, 2013–2023, worldwide · Source: EPO PATSTAT
- SIEMENS MOBILITY DE 2,967
- SIEMENS DE 2,133
- ALSTOM TRANSPORT TECHNOLOGIES FR 1,691
- CRRC QINGDAO SIFANG COMPANY 1,100
- BOMBARDIER TRANSPORTATION DE 1,085
- MITSUBISHI ELECTRIC CORPORATION JP 880
- BYD COMPANY 821
- KRRI KR 761
- HITACHI JP 752
- CRRC ZHUZHOU LOCOMOTIVE COMPANY 721