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PCE
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CPC Subgroup
B61G 1/18

having links or bars coupling or uncoupling by rotating axially

Full Title

Couplings comprising interengaging parts of different shape or form and having links, bars, pins, shackles, or hooks as coupling means > having links or bars coupling or uncoupling by rotating axially

2 direct subcodes

Child Classifications

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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