CPC Subgroup
B61B 13/12 Systems with propulsion devices between or alongside the rails, e.g. pneumatic systems (cable traction B61B9/00; car shunting devices B61J)
Full Title
Other railway systems > Systems with propulsion devices between or alongside the rails, e.g. pneumatic systems (cable traction B61B9/00; car shunting devices B61J)
3 direct subcodes
Child Classifications
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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