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IPC Main Group
B61K 1/00

Transferring passengers, articles, or freight to and from moving trains; Slipping or coupling vehicles from or to moving trains

Introduced: September 1968

Last revised: January 2006

Classification Context

Section:
PERFORMING OPERATIONS; TRANSPORTING
Class:
RAILWAYS
Subclass:
AUXILIARY EQUIPMENT SPECIALLY ADAPTED FOR RAILWAYS, NOT OTHERWISE PROVIDED FOR

Related Keywords

vehicle traction COUPLING(S) for COUPLING(S) vehicles to moving rail trainsslipping or coupling RAILWAY(S),RAILROAD(S) vehicles from or to moving trainstransferring passengers to and from moving RAILWAY(S),RAILROAD(S) trainsTRANSFERRING passengers or freight to or from moving trains

1 direct subcode

Child Classifications

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  • B61K 1/02 transferring articles to and from moving trains, e.g. mailbag catchers

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