CPC Subgroup Additional Only
B66C 2700/0328 Cranes on rails or on rail vehicles
Full Title
Cranes > Cranes with arms or jibs; Multiple cranes > Travelling cranes > Cranes on rails or on rail vehicles
2 direct subcodes
Child Classifications
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- B66C 2700/0335 with a slewing arm
- B66C 2700/035 Construction details related to the travelling, to the supporting of the crane or to the blocking of the axles; Outriggers; Coupling of the travelling mechanism to the crane mechanism
Top Applicants
Top 10 applicants by patent filingsfor class B66, 2013–2023, worldwide · Source: EPO PATSTAT
- INVENTIO CH 3,939
- OTIS ELEVATOR COMPANY US 3,810
- KONE CORPORATION FI 3,008
- MITSUBISHI ELECTRIC CORPORATION JP 2,333
- MITSUBISHI ELECTRIC CORPORATION 1,254
- HITACHI 1,195
- OTIS ELEVATOR COMPANY 1,065
- SGCC(STATE GRID CORPORATION OF CHINA) 961
- INVENTIO 828
- CROWN EQUIPMENT CORPORATION US 828