Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
DIFF Subgroup
B61L 1/02

Electric devices associated with track

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Devices along the route controlled by interaction with the vehicle or train > Electric devices associated with track

CPC:

Devices along the route controlled by interaction with the vehicle or train (detonators B61L5/20; operation of points or signals by passage of the vehicle B61L11/00, B61L13/00; operation of gates, or gates and signals, by approaching vehicle B61L29/18) > Electric devices associated with track

Of 5 combined children, 4 exist in both systems.

1 codes are CPC-only extensions.

Child Classifications

Navigate with arrow keys, Enter to open

  • B61L 1/025 CPC only CPC only
  • B61L 1/06 actuated by deformation of rail; actuated by vibration in rail IPC+CPC Available in IPC and CPC
  • B61L 1/08 magnetically actuated; electrostatically actuated IPC+CPC Available in IPC and CPC
  • B61L 1/10 actuated by electromagnetic radiation; actuated by particle radiation IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

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

Top Applicants (CPC)

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