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IPC Main Group
B61B 12/00

Component parts, details, or accessories for rope railways or power-and-free systems not provided for in groups

Introduced: July 1974

Last revised: January 2006

Classification Context

Section:
PERFORMING OPERATIONS; TRANSPORTING
Class:
RAILWAYS
Subclass:
RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR

6 direct subcodes

Child Classifications

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  • B61B 12/02 Suspension of the load; Guiding means, e.g. wheels; Attaching traction cables
  • B61B 12/04 Devices for damping vibrations
  • B61B 12/06 Safety devices or measures against cable fracture
  • B61B 12/08 Cable lubrication
  • B61B 12/1 Cable traction drives
  • B61B 12/12 Cable grippers; Haulage clips

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