Patents
Sitemap › B66 - Hoisting; Lifting; Hauling › B66B - Elevators; Escalators or moving walkways › B66B 5 - Applications of checking, fault-correcting or safety devices in elevators
Patents for B66B 5 - Applications of checking, fault-correcting or safety devices in elevators (12,501)
03/1981
03/31/1981US4258832 Automatically resetting safety brake
03/31/1981US4258829 Elevator system
03/24/1981US4257494 Safety brake for elevators and aerial cableways
03/17/1981US4256204 Safety apparatus for elevator system
03/17/1981CA1097829A1 Safety arrangement
03/10/1981US4254939 Safety devices for load lifting and lowering apparatus
02/1981
02/17/1981CA1096072A1 Elevator system
02/17/1981CA1096071A1 Elevator system
01/1981
01/27/1981CA1094703A1 Elevator safety apparatus
01/07/1981EP0021698A1 Cushioning devices
12/1980
12/23/1980US4240529 Vertical conveying apparatus
12/23/1980CA1092192A1 Fault detecting system for a control system
12/09/1980US4238005 Deceleration controlling apparatus for elevator
12/09/1980US4237999 Automatic anti-tilt device for scaffoldings
11/1980
11/18/1980US4234063 Brake equipment
10/1980
10/15/1980EP0016998A1 Hoisting device, especially lifting platform
09/1980
09/30/1980US4225117 Device for detecting cable breaks in a lift
09/30/1980US4225015 Terminal slowdown apparatus for elevator
09/03/1980EP0014730A1 Safety device for a screw operated lifting apparatus, especially a twin column motor vehicle lifting platform
09/02/1980US4220222 Automatic landing apparatus in service interruption
08/1980
08/19/1980US4218671 Mine cage position describer
08/05/1980CA1083275A1 Elevator testing system
07/1980
07/15/1980US4212374 Vehicle hoist
07/01/1980US4210228 Control method
07/01/1980US4210226 Elevator control apparatus
06/1980
06/24/1980US4209082 Elevator control apparatus
06/10/1980CA1079426A1 Elevator system
06/03/1980US4206328 Pushbutton assembly
06/03/1980CA1078978A1 Elevator system
05/1980
05/13/1980CA1077628A1 Elevator control system
04/1980
04/29/1980CA1076548A1 Vehicle hoist
01/1980
01/23/1980EP0006976A1 Catch apparatus for elevators and cable cars
12/1979
12/11/1979CA1067838A1 Elevator system
11/1979
11/06/1979US4173268 Hoist mechanism
10/1979
10/30/1979US4172509 Traction machine of elevator
10/16/1979US4171505 Fault detecting system for a control system
09/1979
09/25/1979CA1063266A1 Elevator system
09/25/1979CA1063246A1 Elevator bank simulation system
08/1979
08/28/1979US4165801 Static Leonard system
08/21/1979US4164990 Passenger evacuation apparatus
07/1979
07/31/1979US4162719 Elevator system
07/31/1979US4162718 Hydraulic elevator
07/17/1979US4161236 Elevator system
07/17/1979US4161235 Elevator system
06/1979
06/12/1979CA1056523A1 Elevator system
06/05/1979US4157133 Elevator system
06/05/1979CA1056076A1 Elevator control system
05/1979
05/22/1979US4155427 Elevator system
03/1979
03/27/1979US4145920 Apparatus for detecting abnormal condition of wire rope
03/06/1979US4142609 Elevator control system
02/1979
02/27/1979US4141435 Elevator control system
01/1979
01/16/1979US4134476 Elevator system
01/09/1979US4133413 Elevator safety device
01/09/1979CA1045991A1 Elevator system
12/1978
12/05/1978US4128143 Supervisory control means for automatic elevator systems
12/05/1978US4128141 Elevator system
11/1978
11/28/1978US4127843 Position sensor device for elevator car
11/21/1978CA1042978A1 Over-speed preventing apparatus for dc motor
11/07/1978US4124103 Elevator system
10/1978
10/17/1978CA1040764A1 Transportation system with malfunction monitor
10/17/1978CA1040552A1 Hydraulic elevator apparatus
09/1978
09/19/1978US4114731 Elevator safety arrangement
09/12/1978CA1038138A1 Automatic antifall device for power-driven lifting machinery
08/1978
08/15/1978US4106753 Automatic anti-fall device for power-driven lifting machinery
08/15/1978US4106594 Elevator system
08/15/1978US4106593 Methods and tools for servicing an elevator system
07/1978
07/18/1978US4101007 Control system for limiting elevator car movement speed unless car doors are fully closed
06/1978
06/27/1978US4096925 Elevator system with detector for indicating relative positions of car and counterweight
06/20/1978US4095681 Safety braking device for a unit moving along a surface, in particular for a lift car
05/1978
05/09/1978US4088900 Safety circuit, especially for elevators and the like
04/1978
04/25/1978US4085823 Elevator system
04/11/1978US4083432 Safety arrangement
03/1978
03/14/1978US4078623 Scaling device for an elevator car
02/1978
02/28/1978US4076216 Hoist mechanism
01/1978
01/24/1978US4069898 Elevator system
01/24/1978US4069897 Elevator system
01/10/1978US4067416 Elevator system
11/1977
11/01/1977US4056169 Elevator control system
10/1977
10/04/1977US4051923 Cableless cage elevator
08/1977
08/16/1977US4041845 Hydraulic elevator apparatus
06/1977
06/21/1977US4031439 Over-speed preventing apparatus for DC motor
06/14/1977US4029177 Overspeed brake for a lift car
05/1977
05/10/1977US4023139 Security control and alarm system
04/1977
04/26/1977US4019912 Frictional material reinforced with carbonaceous fibers
04/05/1977US4015835 Shock absorbers for elevators
04/05/1977US4015689 Elevator system safety brace device
03/1977
03/22/1977US4013993 Elevator system
03/15/1977US4011928 Elevator system
03/01/1977US4009766 Elevator control system
02/1977
02/08/1977US4006799 Speed limiting device for lifts or the like
01/1977
01/11/1977US4002973 Elevator testing system
12/1976
12/07/1976US3995534 Safety arrester for arresting a hydraulically operated lifting ram of a hydraulic elevator
11/1976
11/02/1976US3989123 Vandal proof interlock switch
08/1976
08/10/1976US3973648 Monitoring system for elevator installation
08/03/1976US3972389 Elevator stop control arrangement
07/1976
07/06/1976US3967703 Emergency brake for rack and pinion hoist
06/1976
06/29/1976US3966027 Braking apparatus for stopping a rotating shaft
06/08/1976US3961688 Transportation system with malfunction monitor
03/1976
03/09/1976US3942607 Elevator safety brake
02/1976
02/03/1976US3936622 Load limiter
1 ... 115 116 117 118 119 120 121 122 123 124 125 126