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DIFF Main Group
B61D 1/00

Carriages for ordinary railway passenger traffic (mine cars B61D11/00; tramcars B61D13/00)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Carriages for ordinary railway passenger traffic

CPC: Carriages for ordinary railway passenger traffic (mine cars B61D11/00; tramcars B61D13/00)

Full Title

Full titles differ between systems:

IPC:

Carriages for ordinary railway passenger traffic

CPC:

Carriages for ordinary railway passenger traffic (mine cars B61D11/00; tramcars B61D13/00)

IPC and CPC are identically structured here. All 3 subcodes exist in both systems.

2 shared codes have differing titles between IPC and CPC.

Child Classifications

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  • B61D 1/02 General arrangements in sleeping or couchette carriages (B61D1/08 takes precedence) IPC+CPC Available in IPC and CPC
  • B61D 1/04 General arrangements of seats (B61D1/06 takes precedence; seats per se B61D33/00) 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