Patents for B66B 13 - Doors, gates, or other apparatus controlling access to, or exit from, cages or lift-well landings (5,715) |
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07/18/1990 | EP0377866A2 Travel continuation indicator for a lift system |
07/17/1990 | CA1271711A1 Elevator cab and door strike post construction therefor |
07/11/1990 | CA2007400A1 Elevator system having hall lantern assembly for elevator car door post or hatch door post |
06/19/1990 | US4935677 Lock system for an automatic door |
06/19/1990 | US4934488 Door lock for an elevator car |
05/30/1990 | EP0370879A1 Door operator for a swinging door with automatic opening and closure, and the door itself |
05/30/1990 | EP0370513A1 Sliding door system for an elevator |
05/22/1990 | US4926975 Elevator car with improved door lock |
05/22/1990 | US4926974 Elevator car with improved car door clutch |
05/22/1990 | CA1269434A1 Equipment on automatic doors for the recognition of obstacles |
05/16/1990 | CN2057168U Automatic door clock for elevator |
05/15/1990 | US4924974 Elevator system having hall lantern assembly for elevator car door post of hatch door post |
05/03/1990 | DE3907984C1 Suspension device for a contact strip for the door-edge locking in particular of electrically controlled shaft doors of lifts |
04/10/1990 | US4914859 Automatic door safety system |
03/27/1990 | US4910961 Hydraulic door opening or closing device |
03/20/1990 | US4910464 Proximity detector |
02/28/1990 | CN1006979B Elevator landing door unlocking apparatus |
02/14/1990 | EP0354414A2 Lock for the door of a lift shaft |
02/13/1990 | CA1265880A1 Safety system for closing doors |
02/07/1990 | EP0353424A1 Device to close the clearance between the shaft and the car of a lift installation |
01/31/1990 | EP0353016A2 Electrically driven service lift |
01/31/1990 | CN2051986U Self-locked door for lift-well landings |
01/25/1990 | WO1990000509A1 A device for a rapid positioning of a heavy carriage |
01/23/1990 | US4894952 Movable door |
01/17/1990 | CN2051222U Automatic open-close machanism for construction lift floor block |
12/07/1989 | DE3818856A1 Passenger lift for two-storey dwelling houses |
12/06/1989 | EP0344404A1 Method and device for controlling the position of an automatic door |
11/29/1989 | EP0343351A1 Sliding door assembly |
11/29/1989 | CN1037489A Driving apparatus for doors of elevator with locking mechanism |
11/22/1989 | CN1037318A Sliding door assembly |
11/14/1989 | US4880210 Removable and stackable hoistway door assesmbly |
10/17/1989 | US4874063 Portable elevator traffic pattern monitoring system |
09/26/1989 | CA1261085A1 Hydraulic elevator having microprocessor-based, distributed control system |
09/20/1989 | EP0332841A1 Door actuating apparatus with a locking mechanism for lifts |
09/12/1989 | CA1259431A1 Elevator group control for the distribution of traffic at a main floor |
09/05/1989 | US4864296 System for synchronizing signals on a two-wire line |
08/23/1989 | EP0328562A1 Proximity detection systems |
06/20/1989 | US4840254 Elevator hoistway door interlock |
06/13/1989 | US4839605 Signal compensation circuits |
05/23/1989 | US4832157 Displaying device for elevator |
04/11/1989 | US4819403 Method for installing elevator doors |
03/22/1989 | EP0307870A1 Vertical telescopic door for a lift cabin and a goods lift |
03/01/1989 | CN1031357A Hydraulic door opening or closing device |
02/01/1989 | CN1030733A Doorlock apparatus for elevator |
12/15/1988 | WO1988009862A1 Proximity detection systems |
11/29/1988 | US4787481 Hydraulic elevator having microprocessor-based, distributed control system |
11/23/1988 | EP0291654A1 Hydraulic door opening or closing device |
11/22/1988 | US4785914 Elevator system leveling safeguard control and method |
11/09/1988 | EP0290355A1 Driving mechanism for accordeon-type doors of lift cars |
11/01/1988 | US4781270 Elevator door arrangement |
10/18/1988 | US4778034 Device for controlling the opening and shutting movement of sliding elevator doors |
10/11/1988 | US4776433 Elevator door control system |
08/30/1988 | CA1241404A1 Detection means |
08/18/1988 | DE3803317A1 Fire-protection passenger-lift door |
06/28/1988 | US4753323 Safety system for closing doors |
05/03/1988 | US4742549 Procedure for watching over the area in front of a lift |
04/05/1988 | US4735294 Elevator group control for the distribution of traffic at a main floor |
04/05/1988 | US4735293 Hatchway door for elevator system |
04/05/1988 | US4735292 Hydraulically operated elevator door mechanism |
03/22/1988 | US4732238 Obstacle detection system for automatically controlled elevator doors |
03/08/1988 | CA1233701A1 Door entrance |
03/02/1988 | EP0257055A1 Signal compensation circuits |
02/23/1988 | US4726449 Elevator cab and door strike post construction therefor |
02/03/1988 | CN87105024A Elevator landing door unlocking apparatus |
12/16/1987 | EP0248997A1 Control device for dispatching cars at a main landing at lift groups |
12/08/1987 | US4711323 Door drive for doors of elevator cars |
12/02/1987 | EP0247463A2 Lift car door |
12/01/1987 | US4709787 Elevator |
11/10/1987 | US4706227 Acoustic obstruction detector and method |
10/29/1987 | DE3712184A1 Method for operating additional devices of an automatic door system |
10/28/1987 | EP0242545A1 Door for a lift car |
10/13/1987 | CA1228183A1 Elevator interlock assembly |
09/30/1987 | EP0070883B1 Photoelectric obstruction detector for elevator doorways |
09/29/1987 | US4696375 Chain break safety device |
09/16/1987 | EP0237492A2 Device for controlling the opening and shutting movement of sliding lift doors |
09/16/1987 | EP0236909A1 Telescopic door for a lift car |
09/15/1987 | US4693340 Bumper guide assembly for elevator doors |
09/15/1987 | CA1226762A1 Lift landing door frame arrangement |
09/09/1987 | CN86107087A Lighting apparatus for elevator cages |
09/02/1987 | EP0234775A1 Signal processing circuits |
08/13/1987 | WO1987004691A1 Signal compensation circuits |
08/11/1987 | US4685539 Operating system for elevator |
08/11/1987 | US4685537 Elevator system which utilizes both rigid and resilient mounting arrangments for door operator |
07/07/1987 | US4679032 Procedure and means for producing a contrast image |
06/24/1987 | EP0226322A2 Proximity detector |
06/23/1987 | CA1223379A1 Elevator operating system |
05/21/1987 | WO1987003100A1 Proximity detector |
04/14/1987 | CA1220578A1 Elevator system |
04/01/1987 | CN86104266A Lift appliance |
03/11/1987 | EP0213308A1 Obstacle recognition device for automatic doors |
01/20/1987 | CA1216869A1 Elevator door operator |
01/14/1987 | EP0208170A1 Automatic door with several opening widths |
12/31/1986 | CN86104599A Running device of electrical lift |
11/18/1986 | US4623040 Method and apparatus for reducing elevator service calls |
11/05/1986 | EP0199752A1 Automatic control using proximity sensors. |
08/26/1986 | US4607832 Endless belt separator having an unsupported separating surface |
07/03/1986 | WO1986002506A3 Automatic control using proximity sensors |
06/10/1986 | US4594281 Lightweight impact absorbing panel |
06/10/1986 | US4593793 Elevator door configuration |
05/28/1986 | EP0182142A1 Lift door actuating device |