CPC Subgroup Additional Only
B66B 2201/4607 Call registering systems
Full Title
Aspects of control systems of elevators > Details of the change of control mode > Switches or switchgear > Call registering systems
9 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- B66B 2201/4615 Wherein the destination is registered before boarding
- B66B 2201/4623 Wherein the destination is registered after boarding
- B66B 2201/463 Wherein the call is registered through physical contact with the elevator system
- B66B 2201/4638 Wherein the call is registered without making physical contact with the elevator system
- B66B 2201/4653 wherein the call is registered using portable devices
- B66B 2201/4661 for priority users
- B66B 2201/4676 for checking authorization of the passengers
- B66B 2201/4684 for preventing accidental or deliberate misuse
- B66B 2201/4692 for payment for use
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