CPC Subgroup Additional Only
B66D 2700/0125 Motor operated winches
Full Title
Capstans, winches or hoists > Winches, capstans or pivots > Motor operated winches
5 direct subcodes
Child Classifications
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- B66D 2700/0133 Fluid actuated
- B66D 2700/0141 Electrically actuated
- B66D 2700/015 Actuated by chain, belt or by friction
- B66D 2700/0158 Hydraulically controlled couplings or gearings
- B66D 2700/0166 Winches with multiple drums or with drums with multiple parts of different diameter
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