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IPC Main Group
B61C 17/00

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

Introduced: September 1968

Last revised: January 2006

Classification Context

Section:
PERFORMING OPERATIONS; TRANSPORTING
Class:
RAILWAYS
Subclass:
LOCOMOTIVES; MOTOR RAILCARS

6 direct subcodes

Child Classifications

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  • B61C 17/02 Bunkers; Tanks; Tenders; Water or fuel pick-up or scoop apparatus; Water or fuel supply fittings
  • B61C 17/04 Arrangement or disposition of driving cabins, footplates, or engine rooms; Ventilation thereof
  • B61C 17/06 Power storing devices
  • B61C 17/08 Lubrication systems
  • B61C 17/1 Connecting-rods for driving wheels; Arrangements of their bearings
  • B61C 17/12 Control gear; Arrangements for controlling locomotives from remote points in the train or when operating in multiple units

Top Applicants

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

  1. SIEMENS MOBILITY DE 2,749
  2. CRRC QINGDAO SIFANG COMPANY 2,215
  3. SIEMENS DE 1,941
  4. ALSTOM TRANSPORT TECHNOLOGIES FR 1,514
  5. BYD COMPANY 1,371
  6. CRRC CHANGCHUN RAILWAY VEHICLES COMPANY 1,205
  7. CRRC ZHUZHOU LOCOMOTIVE COMPANY 1,165
  8. CRRC TANGSHAN COMPANY 1,119
  9. BOMBARDIER TRANSPORTATION DE 1,001
  10. SOUTHWEST JIAOTONG UNIVERSITY 958