Patents
Sitemap › B66 - Hoisting; Lifting; Hauling › B66B - Elevators; Escalators or moving walkways › B66B 1 - Control systems of elevators in general
Patents for B66B 1 - Control systems of elevators in general (12,295)
09/1978
09/12/1978US4113064 Elevator car mounting
09/05/1978US4112419 Apparatus for detecting the number of objects
09/05/1978US4111284 Elevator system
08/1978
08/29/1978CA1037623A2 Hydraulic elevator drive system
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
08/15/1978CA1036512A1 Elevator system
07/1978
07/25/1978US4102437 Elevator system
07/25/1978US4102436 Elevator system
07/18/1978US4101013 Process for the control and regulation of the speed of a mobile
07/04/1978US4099111 Control apparatus for DC motor
06/1978
06/27/1978US4096925 Elevator system with detector for indicating relative positions of car and counterweight
06/20/1978US4095678 Control apparatus for an elevator system
06/13/1978US4094386 Speed command generator for elevator
06/13/1978US4094385 Levelling apparatus for AC elevator
05/1978
05/09/1978US4088900 Safety circuit, especially for elevators and the like
05/02/1978US4087078 Moving apparatus for a load
05/02/1978US4086983 Elevator control system
04/1978
04/25/1978US4085823 Elevator system
04/18/1978US4084662 Control apparatus for an elevator system
04/18/1978US4084661 Elevator system
04/11/1978US4083431 Elevator control apparatus
04/11/1978US4083430 Apparatus for determining the location of an elevator car or similar vehicle
04/04/1978US4082164 Elevator system
03/1978
03/28/1978US4081059 Elevator control system
03/28/1978US4081058 Control apparatus
03/14/1978US4078623 Scaling device for an elevator car
02/1978
02/21/1978USRE29543 Elevator control system
02/07/1978US4072212 Elevator speed control system
01/1978
01/31/1978US4071135 Passenger transportation apparatus
01/31/1978US4071116 Load cancelling device for conveyance systems
01/17/1978US4068741 Elevator motor control system for a.c. induction motor
01/10/1978US4067416 Elevator system
12/1977
12/27/1977US4064971 Elevator service information apparatus
12/20/1977US4063620 Elevator system
11/1977
11/15/1977US4058187 Limited stop elevator dispatching system
11/08/1977US4057845 Group control system for visual information processing
11/01/1977US4056169 Elevator control system
10/1977
10/11/1977US4053742 Energy measuring systems adapted for use in conjunction with load moving and weight indicating devices
10/04/1977US4052651 Elevator speed control system
09/1977
09/27/1977US4050547 Floor controller for an elevator
09/13/1977US4047596 Elevator system
09/06/1977US4046229 Elevator system
09/06/1977US4046228 Elevator system
09/06/1977US4046227 Elevator system
08/1977
08/30/1977US4044860 Elevator traffic demand detector
08/23/1977US4043429 Elevator car group control system
08/23/1977US4043428 Automatic recycle control for hydraulic elevators with telescopic cylinders
08/16/1977US4042069 AC Elevator control system
08/16/1977US4042068 Elevator system
08/16/1977US4042067 Elevator system
08/02/1977US4039049 Elevator car call selection apparatus
07/1977
07/26/1977US4037688 Elevator system
07/12/1977US4034856 Elevator system
06/1977
06/21/1977US4031439 Over-speed preventing apparatus for DC motor
06/21/1977US4030572 Elevator control apparatus
06/21/1977US4030571 Elevator control system
06/21/1977US4030570 Elevator system
06/14/1977US4029175 Elevator system
06/07/1977US4027745 Elevator speed control system
05/1977
05/31/1977US4026389 Elevator car passenger security system
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
03/15/1977US4011928 Elevator system
03/15/1977US4011888 Unitary elevator up level control valve
03/01/1977US4009766 Elevator control system
02/1977
02/15/1977US4007812 Elevator system
02/15/1977US4007811 Control for elevator
01/1977
01/04/1977US4000754 Automatic control valve for a fluid system
12/1976
12/28/1976US3999631 Elevator control system
12/07/1976US3995719 Elevator system
12/07/1976US3995534 Safety arrester for arresting a hydraulically operated lifting ram of a hydraulic elevator
10/1976
10/05/1976US3983961 Transducer for servomechanisms
09/1976
09/28/1976US3983519 Electromagnet
08/1976
08/31/1976US3977497 Hydraulic elevator drive system
08/10/1976US3973649 Elevator control apparatus
08/10/1976US3973648 Monitoring system for elevator installation
08/03/1976US3973175 Induction motor speed control apparatus
08/03/1976US3972389 Elevator stop control arrangement
07/1976
07/27/1976US3971885 Remote control system for passenger conveyors
07/06/1976US3967702 Control apparatus for elevators
07/06/1976US3967701 Multi-column lifting apparatus and synchronization control device for same
06/1976
06/15/1976US3963098 Position measurement apparatus
05/1976
05/11/1976US3955649 Device for correcting floor level of hydraulic elevator
04/1976
04/27/1976US3952837 Signaling system for an elevator
04/06/1976US3948357 Transportation system with decelerating control
03/1976
03/23/1976US3945470 Positional control
03/23/1976US3945090 Automatically locking slider for slide fasteners
03/02/1976US3941214 Control system for a transportation system
02/1976
02/17/1976US3938624 Transportation system with motor field control
02/03/1976US3936800 Pattern recognition system
01/1976
01/13/1976US3932771 Control for three phase A.C. motor
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