CPC Subgroup
B61F 17/02 with oil
Full Title
Lubrication specially adapted for axle-boxes of rail vehicles (lubrication in general F16N) > with oil
5 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- B61F 17/04 Lubrication by stationary devices
- B61F 17/14 Rotating lubricating devices
- B61F 17/24 by built-in lubricating pumps
- B61F 17/26 by external feeding means, e.g. pneumatic devices
- B61F 17/28 Applications of oil cleaners not otherwise provided for
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