CPC Subgroup Additional Only
B66D 2700/0125 Motor operated winches
Full Title
Capstans, winches or hoists > Winches, capstans or pivots > Motor operated winches
Filing statistics
CPC B66D 2700/0125 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
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