Skip to content
Search Classifications
Search for IPC and CPC classification codes or keywords
CPC Main Group
B61C 5/00

Locomotives or motor railcars with IC engines or gas turbines (characterised by power transmission B61C9/00; engines F02)

2 direct subcodes

Child Classifications

Navigate with arrow keys, Enter to open

  • B61C 5/02 Arrangement or disposition of intakes and apparatus for supplying, circulating, and filtering air for combustion and engine-cooling purposes
  • B61C 5/04 Arrangement or disposition of exhaust apparatus

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