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DIFF Subgroup
B61D 9/04

Adaptations of rail vehicle elements to tipping wagons

Introduced: September 1968

Full Title

Tipping wagons > Adaptations of rail vehicle elements to tipping wagons

IPC and CPC are identically structured here. All 4 subcodes exist in both systems.

Child Classifications

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  • B61D 9/06 Bodies IPC+CPC Available in IPC and CPC
  • B61D 9/08 Frames; Supporting or guiding means for the bodies IPC+CPC Available in IPC and CPC
  • B61D 9/10 Devices preventing overturning when tipping IPC+CPC Available in IPC and CPC
  • B61D 9/12 Body fitments or devices facilitating or controlling outflow on discharge 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