CPC Main Group
B66C 15/00 Safety gear (for rope, cable, or chain winding mechanisms B66D1/54)
3 direct subcodes
Child Classifications
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- B66C 15/02 for retaining load-engaging elements in the event of rope or cable breakage
- B66C 15/04 for preventing collisions, e.g. between cranes or trolleys operating on the same track
- B66C 15/06 Arrangements or use of warning devices
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