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DIFF Subgroup
B61D 15/06

Buffer cars; Arrangements or construction of railway vehicles for protecting them in case of collisions (buffers B61G11/00)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Buffer cars; Arrangements or construction of railway vehicles for protecting them in case of collisions

CPC: Buffer cars; Arrangements or construction of railway vehicles for protecting them in case of collisions (buffers B61G11/00)

Full Title

Full titles differ between systems:

IPC:

Other railway vehicles, e.g. scaffold cars; Adaptations of vehicles for use on railways > Buffer cars; Arrangements or construction of railway vehicles for protecting them in case of collisions

CPC:

Other railway vehicles, e.g. scaffold cars; Adaptations of vehicles for use on railways (conveyor frames mounted for movement on rail tracks B65G41/02; wheeled machines used in permanent way construction or maintenance E01B) > Buffer cars; Arrangements or construction of railway vehicles for protecting them in case of collisions (buffers B61G11/00)

No child classifications to compare. This is a leaf node in both 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