CPC Main Group
B61L 29/00 Safety means for rail/road crossing traffic
4 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- B61L 29/02 Guards or obstacles for preventing access to the route (cattle guards connected to the permanent way E01B17/00)
- B61L 29/04 Gates for level crossings
- B61L 29/08 Operation of gates; Combined operation of gates and signals
- B61L 29/24 Means for warning road traffic that a gate is closed or closing, or that rail traffic is approaching, e.g. for visible or audible warning
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