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)
01/1985
01/02/1985EP0129678A1 Automatic device for lifts or goods-lifts without safety lift-shafts
01/01/1985US4491198 Apparatus for signaling elevator malfunctions
12/1984
12/25/1984US4489811 Apparatus for decelerating elevator at terminating floor
12/04/1984CA1178900A1 Buffer device for elevator
11/1984
11/27/1984US4484664 Emergency drive device for an A.C. elevator
11/27/1984CA1178724A1 Contact-controlled capacitive switching apparatus
11/20/1984US4484127 Inverter power transistor protection
11/13/1984US4482032 Elevator emergency control system
11/13/1984US4482031 AC elevator control apparatus
10/1984
10/23/1984US4478315 Apparatus for operating an AC power elevator
10/17/1984EP0121711A2 Velocity limiting device for a lift
10/16/1984US4476971 Safety device for conveyance systems for people
09/1984
09/25/1984US4473135 Apparatus for controlling an elevator
09/13/1984WO1984003486A1 Apparatus for controlling ac elevator
08/1984
08/28/1984US4467895 For use in mine welding arrangements
08/15/1984EP0115482A1 Lift.
08/14/1984US4465162 Elevator drive apparatus using a traction-type speed change gear
07/1984
07/17/1984US4460066 Crime prevention apparatus for elevators
07/10/1984US4458788 Analyzer apparatus
07/03/1984US4457404 Elevator system
06/1984
06/26/1984US4456096 Terminal slowdown apparatus for elevator
06/19/1984US4454930 Apparatus for controlling an AC power elevator
05/1984
05/22/1984US4449615 Hydraulic ram safety device with circular brake
05/15/1984CA1167576A1 Elevator system
04/1984
04/24/1984US4444293 Safety arrester for mine-shaft conveyances using tubing guides
04/03/1984US4441034 Contact-controlled capacitive switching apparatus
03/1984
03/21/1984EP0103162A2 Measuring and control device for loads suspended from cables, in particular for lifting stage settings
03/20/1984CA1164115A1 Elevator system
03/20/1984CA1164113A1 Terminal slowdown control for elevator system
03/13/1984US4436185 Elevator system
03/13/1984CA1163736A1 Emergency brake control for hoists
03/06/1984US4434875 Emergency levelling device for a lift car
03/06/1984US4434874 Elevator system
03/06/1984US4434873 Electric elevator car driving device
03/01/1984WO1984000743A1 Lift
01/1984
01/25/1984EP0099352A2 Braking device for lifts
01/24/1984US4427095 Monitoring and controlling lift positions
12/1983
12/06/1983US4418795 Elevator servicing methods and apparatus
11/1983
11/22/1983US4416366 Emergency stop mechanism
08/1983
08/30/1983US4401192 Method of evaluating the performance of an elevator system
08/23/1983US4399892 Thyristor Leonard type elevator control system
08/09/1983US4397377 Elevator system
07/1983
07/06/1983EP0083179A1 A system for removing incendiary matter from the interior of an aircraft
07/05/1983US4391017 Device for removing incendiary matter from the interior of an aircraft
06/1983
06/22/1983EP0081707A1 Shock absorbing stop for a hydraulic hoist
06/15/1983EP0081212A1 Safety device for an elevator or hoist
06/08/1983EP0080613A1 Touch-controlled capacitive switching device
05/1983
05/10/1983US4382489 Apparatus for operating during earthquake
05/03/1983US4382221 Battery charger for a backup power circuit
04/1983
04/12/1983US4379499 Emergency power elevator recovery and service system
03/1983
03/29/1983US4378059 Abnormal elevator speed detector
03/15/1983US4376471 Emergency apparatus for elevator
02/1983
02/15/1983CA1141497A1 Elevator system
01/1983
01/25/1983US4370717 Elevator bank simulation system
01/11/1983US4367810 Elevator car and door motion interlocks
01/05/1983EP0068683A1 Slack rope detecting apparatus
12/1982
12/21/1982US4364453 Safety installation for elevators
11/1982
11/24/1982EP0065501A2 Emergency levelling device for a lift car
11/16/1982US4359208 Emergency brake control for hoists
11/16/1982US4359207 Emergency stop mechanism for the payload of a lifting mechanism
11/02/1982US4356896 Elevator terminal deceleration system
10/1982
10/26/1982US4356543 Overcurrent-protected inverter
09/1982
09/21/1982US4350225 Elevator control system
08/1982
08/31/1982US4346789 Lift battery control system
08/24/1982US4345670 Elevator control system
07/1982
07/27/1982US4341288 Elevator system
06/1982
06/15/1982CA1125690A1 Safety device for passenger conveyor installations
06/08/1982US4333549 Car blocking apparatus
05/1982
05/25/1982US4331219 Mechanical safety device for a lift
05/18/1982US4330838 Elevator test operation apparatus
04/1982
04/27/1982US4326606 Apparatus for controlling rescue operation of an elevator
03/1982
03/16/1982US4319738 Lifting mechanisms especially lifting platform
03/09/1982US4318456 Terminal slowdown control for elevator system
03/02/1982US4317506 Elevator system
02/1982
02/16/1982US4316097 Backup power circuit
02/03/1982EP0044849A1 Monitoring and controlling lift positions
01/1982
01/05/1982US4308936 Elevator system
01/05/1982US4308935 Autonomous elevator cab operation
12/1981
12/29/1981US4307794 Apparatus for absorbing mechanical energy, in particular energy of very strong shocks
12/29/1981US4307793 Elevator system
11/1981
11/03/1981CA1111975A1 Elevator system
11/03/1981CA1111974A1 Elevator system
11/03/1981CA1111973A1 Elevator system
09/1981
09/08/1981CA1108784A1 Elevator system
09/08/1981CA1108782A1 Elevator system
08/1981
08/25/1981CA1107833A1 Equipment for monitoring movement of a member
08/20/1981WO1981002288A1 Monitoring and controlling lift positions
08/18/1981US4284175 Emergency stop apparatus for electric elevators
08/18/1981CA1107417A1 Elevator system
08/18/1981CA1107416A1 Elevator system with detector for indicating relative positions of car and counterweight
07/1981
07/21/1981US4279329 Safety device for lift equipment
07/15/1981EP0032073A2 Safety installation for elevators
07/07/1981CA1104365A1 Pushbutton assembly
06/1981
06/30/1981CA1104175A1 Automatic anti-tilt device for stopping the tilting movement of a scaffolding suspended from two or more winches
05/1981
05/12/1981CA1101140A1 Methods and tools for servicing an elevator system
05/12/1981CA1101139A1 Elevator system
04/1981
04/28/1981US4263988 Speed control system for a motor
04/28/1981US4263987 Control apparatus for elevator system
04/16/1981WO1981000990A1 Automatically resetting safety brake
04/07/1981CA1098881A1 Linear arrestors
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