CPC Subgroup
B61G 1/36 with shackles and hooks, e.g. specially adapted for mine cars
Full Title
Couplings comprising interengaging parts of different shape or form and having links, bars, pins, shackles, or hooks as coupling means > with shackles and hooks, e.g. specially adapted for mine cars
1 direct subcode
Child Classifications
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- B61G 1/38 rotatable about line of traction, e.g. for cars which are tiltable when coupled
Top Applicants
Top 10 applicants by patent filingsfor class B61, 2013–2023, worldwide · Source: EPO PATSTAT
- SIEMENS MOBILITY DE 2,967
- SIEMENS DE 2,133
- ALSTOM TRANSPORT TECHNOLOGIES FR 1,691
- CRRC QINGDAO SIFANG COMPANY 1,100
- BOMBARDIER TRANSPORTATION DE 1,085
- MITSUBISHI ELECTRIC CORPORATION JP 880
- BYD COMPANY 821
- KRRI KR 761
- HITACHI JP 752
- CRRC ZHUZHOU LOCOMOTIVE COMPANY 721