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CPC Main Group
B61C 17/00

Arrangement or disposition of parts; Details or accessories not otherwise provided for; Use of control gear and control systems

6 direct subcodes

Child Classifications

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  • B61C 17/02 Bunkers; Tanks; Tenders (coachwork B61D); Water or fuel pick-up or scoop apparatus; Water or fuel supply fittings (trackside installations, e.g. bunkers, tanks, for filling locomotives with sand or water B61K11/00)
  • B61C 17/04 Arrangement or disposition of driving cabins, footplates or engine rooms; Ventilation thereof (driving cabins and accessories B61D)
  • B61C 17/06 Power storing devices
  • B61C 17/08 Lubrication systems (in general F16N)
  • B61C 17/10 Connecting-rods for driving wheels; Arrangements of their bearings (connection-rods or bearings, in general F16C7/00, B61C9/04)
  • B61C 17/12 Control gear; Arrangements for controlling locomotives from remote points in the train or when operating in multiple units (control from points outside the train B61L3/00; fluid-actuated telemotors, servomotors F15B; control devices in general G05)

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