CPC Main Group Additional Only
B66B 2201/00 Aspects of control systems of elevators
4 direct subcodes
Child Classifications
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- B66B 2201/10 Details with respect to the type of call input
- B66B 2201/20 Details of the evaluation method for the allocation of a call to an elevator car
- B66B 2201/30 Details of the elevator system configuration
- B66B 2201/40 Details of the change of control mode
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