CPC Subgroup Additional Only
B66D 2700/01 Winches, capstans or pivots
Full Title
Capstans, winches or hoists > Winches, capstans or pivots
4 direct subcodes
Child Classifications
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- B66D 2700/0108 with devices for paying out or automatically tightening the cable
- B66D 2700/0116 Manually or spring operated winches
- B66D 2700/0125 Motor operated winches
- B66D 2700/0183 Details, e.g. winch drums, cooling, bearings, mounting, base structures, cable guiding or attachment of the cable to the drum
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