CPC Subgroup
B66B 17/14 Applications of loading and unloading equipment (of general application B65G)
Full Title
Hoistway equipment > Applications of loading and unloading equipment (of general application B65G)
3 direct subcodes
Child Classifications
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- B66B 17/16 for loading and unloading mining-hoist cars or cages
- B66B 17/26 for loading or unloading mining-hoist skips
- B66B 17/28 electrically controlled (for elevators in general B66B1/06)
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