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PCE
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CPC Subgroup
B61H 11/02

of self-applying brakes

Full Title

Applications or arrangements of braking or retarding apparatus not otherwise provided for; Combinations of apparatus of different kinds or types > of self-applying brakes

1 direct subcode

Child Classifications

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  • B61H 11/04 with brake-applying force derived from rotation of axle

Top Applicants

Top 10 applicants by patent filingsfor class B61, 2013–2023, worldwide · Source: EPO PATSTAT

  1. SIEMENS MOBILITY DE 2,967
  2. SIEMENS DE 2,133
  3. ALSTOM TRANSPORT TECHNOLOGIES FR 1,691
  4. CRRC QINGDAO SIFANG COMPANY 1,100
  5. BOMBARDIER TRANSPORTATION DE 1,085
  6. MITSUBISHI ELECTRIC CORPORATION JP 880
  7. BYD COMPANY 821
  8. KRRI KR 761
  9. HITACHI JP 752
  10. CRRC ZHUZHOU LOCOMOTIVE COMPANY 721