CPC Main Group
B66B 19/00 Mining-hoist operation
6 direct subcodes
Child Classifications
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- B66B 19/02 Installing or exchanging ropes or cables
- B66B 19/04 Installing or removing mining-hoist cars, cages, or skips
- B66B 19/06 Applications of signalling devices (depth indicators B66B3/02; order telegraphs G08B)
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