CPC Subgroup
B61D 17/18 Internal lining, e.g. insulating
Full Title
Construction details of vehicle bodies (for tank wagons B61D5/00; for hopper cars B61D7/00; body details specially adapted for tipping wagons B61D9/06; for mine cars B61D11/00) > with bodies of metal; with composite, e.g. metal and wood body structures > Internal lining, e.g. insulating
1 direct subcode
Child Classifications
Navigate with arrow keys, Enter to open
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