CPC Subgroup
B61G 1/04 Operating devices therefor (B61G1/08 takes precedence)
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 around a transverse horizontal axis > Operating devices therefor (B61G1/08 takes precedence)
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