CPC Subgroup Additional Only
B66D 2700/01 Winches, capstans or pivots
Full Title
Capstans, winches or hoists > Winches, capstans or pivots
Filing statistics
CPC B66D 2700/01 belongs to the parent subclass B66D, which recorded 19,077 patent applications worldwide between 2013 and 2023. Annual filings grew from 925 in 2013 to 1,759 in 2023 (+90%), peaking at 2,301 applications in 2020. The most active applicants in class B66 are INVENTIO (3,939 applications), OTIS ELEVATOR COMPANY (3,810 applications) and KONE CORPORATION (3,008 applications).
Source: EPO PATSTAT, worldwide filings
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