Patents
Sitemap › B66 - Hoisting; Lifting; Hauling › B66B - Elevators; Escalators or moving walkways › B66B 3 - Applications of devices for indicating or signalling operating conditions of elevators
Patents for B66B 3 - Applications of devices for indicating or signalling operating conditions of elevators (3,971)
08/1982
08/24/1982US4345670 Elevator control system
08/19/1982WO1982002704A1 Integrated elevator cab fixture
07/1982
07/27/1982US4341288 Elevator system
07/27/1982US4341287 Elevator control apparatus
05/1982
05/18/1982US4330836 Elevator cab load measuring system
03/1982
03/30/1982US4322703 Electrical switch and actuator therefor having both linear and angular adjustment therebetween
02/1982
02/03/1982EP0044849A1 Monitoring and controlling lift positions
11/1981
11/10/1981US4299309 Empty elevator car determination
11/03/1981CA1111975A1 Elevator system
11/03/1981CA1111974A1 Elevator system
09/1981
09/08/1981CA1108781A1 Elevator system
08/1981
08/20/1981WO1981002288A1 Monitoring and controlling lift positions
08/18/1981CA1107415A1 Elevator system
08/12/1981EP0033489A1 Machine for producing blown hollow plastic articles
08/06/1981WO1981002135A1 Machine for the production of plastic blown hollow bodies
07/1981
07/09/1981WO1981001829A1 Empty elevator car determination
07/07/1981CA1104365A1 Pushbutton assembly
05/1981
05/12/1981CA1101140A1 Methods and tools for servicing an elevator system
05/12/1981CA1101139A1 Elevator system
04/1981
04/28/1981US4263987 Control apparatus for elevator system
04/28/1981CA1100244A1 Display unit for elevator waiting time
02/1981
02/17/1981CA1096074A1 Elevator system
02/17/1981CA1096071A1 Elevator system
02/03/1981US4248327 Elevator system
01/1981
01/20/1981US4245671 Solenoid pilot operated valve
11/1980
11/11/1980US4233588 Elevator position detector
06/1980
06/03/1980US4206328 Pushbutton assembly
03/1980
03/25/1980CA1074468A1 Elevator service information apparatus
01/1980
01/22/1980CA1070411A1 Signal input devices and systems
12/1979
12/18/1979CA1068421A1 Elevator system
10/1979
10/30/1979CA1065512A1 Elevator system
10/30/1979CA1065511A1 Elevator system
09/1979
09/25/1979CA1063246A1 Elevator bank simulation system
09/04/1979US4166518 Elevator control system
08/1979
08/14/1979US4164271 System for indicating stop levels for an elevator
06/1979
06/05/1979US4157133 Elevator system
06/05/1979CA1056076A1 Elevator control system
04/1979
04/17/1979US4149614 Elevator system
04/10/1979CA1052485A1 Signaling system
03/1979
03/06/1979US4142609 Elevator control system
02/1979
02/27/1979US4141435 Elevator control system
02/13/1979CA1048665A1 Elevator traffic demand detector
01/1979
01/16/1979US4134476 Elevator system
01/16/1979CA1046418A1 Signal input devices and systems
12/1978
12/05/1978CA1043915A1 Elevator control apparatus
11/1978
11/28/1978US4127843 Position sensor device for elevator car
11/07/1978US4124103 Elevator system
10/1978
10/17/1978US4120381 Elevator system
08/1978
08/22/1978US4108282 Position-indicating signal equipment for elevator
08/15/1978US4106593 Methods and tools for servicing an elevator system
08/15/1978CA1036727A1 Elevator system
07/1978
07/25/1978US4102437 Elevator system
06/1978
06/13/1978US4094266 Elevator audible signaling device
12/1977
12/27/1977US4064971 Elevator service information apparatus
09/1977
09/06/1977US4046228 Elevator system
08/1977
08/30/1977US4044860 Elevator traffic demand detector
08/23/1977US4043429 Elevator car group control system
08/16/1977US4042067 Elevator system
06/1977
06/28/1977US4032882 Elevator system
06/21/1977US4030572 Elevator control apparatus
05/1977
05/10/1977US4023135 Apparatus for detecting the number of objects
05/10/1977US4022296 Signal input devices and systems
04/1977
04/26/1977US4019607 Signal input devices and systems
04/26/1977US4019606 Elevator system
03/1977
03/22/1977US4013993 Elevator system
03/01/1977US4009766 Elevator control system
12/1976
12/28/1976US3999631 Elevator control system
12/07/1976US3995719 Elevator system
08/1976
08/10/1976US3973648 Monitoring system for elevator installation
07/1976
07/06/1976US3967700 Signaling system
04/1976
04/27/1976US3952837 Signaling system for an elevator
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