| 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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| 05/13/1986 | US4588049 Double panel sliding door, especially for elevators |
| 04/24/1986 | WO1986002506A2 Automatic control using proximity sensors |
| 03/11/1986 | CA1201829A1 Elevator system |
| 01/14/1986 | US4564087 Double panel sliding door, especially for elevators |
| 12/27/1985 | EP0165443A1 Door drive with safety lock for lift car doors |
| 12/18/1985 | EP0164581A1 Door drive device with a lock mechanism for a lift |
| 10/15/1985 | CA1195185A1 Double panel sliding door, namely for an elevator |
| 10/09/1985 | EP0070286B1 Proximity detector circuitry especially for lift doors |
| 08/06/1985 | CA1191632A1 Elevator system |
| 07/23/1985 | US4530189 Door entrance |
| 07/16/1985 | US4529065 Elevator system |
| 07/09/1985 | US4527663 Apparatus for controlling an AC power elevator |
| 04/23/1985 | US4512443 Lift door control apparatus |
| 04/16/1985 | CA1185718A1 Light barrier for automatically operated elevator doors |
| 03/26/1985 | US4506765 Proximity detector circuitry especially for lift doors |
| 03/19/1985 | US4505360 Elevator operating system |
| 02/26/1985 | CA1183176A1 Elevator door operator |
| 01/02/1985 | CA1180232A Car and hoistway door coupling apparatus |
| 01/01/1985 | US4491200 Locking mechanism for an elevator car door |
| 01/01/1985 | US4491199 Elevator system |
| 12/25/1984 | US4489527 Lift landing door frame arrangement |
| 12/18/1984 | CA1179702A1 Vehicle door lock for limiting door opening to specified vehicle positions |
| 11/20/1984 | US4483420 Elevator door interlocking apparatus |
| 10/16/1984 | US4476678 Control mechanism for pneumatic apparatus |
| 09/18/1984 | US4471856 Elevator door interlock |
| 09/04/1984 | US4469200 Releasable hoistway door safety interlock |
| 07/03/1984 | US4457405 For an elevator |
| 06/19/1984 | US4454931 Elevator door operator having a variable pitch lead screw |
| 06/05/1984 | US4452009 Light barrier, particularly for automatically actuated lift cabin doors |
| 06/05/1984 | CA1168464A1 Vehicle door lock for limiting door opening to specified vehicle positions |
| 05/29/1984 | EP0070883A4 Photoelectric obstruction detector for elevator doorways. |
| 04/03/1984 | CA1165022A1 Position controlled elevator door motion |
| 03/21/1984 | EP0103087A1 Landing door frame for a lift |
| 03/13/1984 | US4436184 Elevator system |
| 01/03/1984 | US4423799 Vehicle door lock for limiting door opening to specified vehicle positions |
| 12/20/1983 | CA1159105A1 Magnetic roller |
| 10/18/1983 | US4410067 Elevator door operator |
| 10/12/1983 | EP0090951A1 Double sliding door, in particular a lift door |
| 08/23/1983 | CA1152437A1 Elevator system |
| 06/21/1983 | CA1148635A1 Proximity detector |
| 06/15/1983 | EP0081110A1 Light barrier for an automatically operated elevator door |
| 02/09/1983 | EP0070883A1 Photoelectric obstruction detector for elevator doorways. |
| 01/26/1983 | EP0070286A1 Proximity detector circuitry especially for lift doors. |
| 01/04/1983 | CA1139026A1 Automatically compensating object detection circuit |
| 12/21/1982 | US4364454 Vehicle door lock for limiting door opening to specified vehicle positions |
| 11/16/1982 | US4359143 Elevator system |
| 11/09/1982 | US4357998 Between landing car door safety lock |
| 11/09/1982 | CA1135201A1 Car door safety interlock |
| 09/14/1982 | US4349858 Control circuit for use with an electronic guard strip |
| 08/19/1982 | WO1982002787A1 Photoelectric obstruction detector for elevator doorways |
| 08/05/1982 | WO1982002536A1 Proximity detector circuitry especially for lift doors |
| 08/03/1982 | US4342379 Time controlled elevator door motion |
| 08/03/1982 | US4342378 Elevator door motion bench velocity |
| 04/20/1982 | US4326197 Proximity detector |
| 02/09/1982 | CA1117994A1 Elevator system |
| 02/02/1982 | US4313525 Car door safety interlock |
| 01/05/1982 | US4308936 Elevator system |
| 12/15/1981 | US4305481 Elevator door motion modification |
| 12/15/1981 | CA1114239A1 Decorative jamb structure for elevator entranceways |
| 11/17/1981 | US4300663 Elevator door motion mode control |
| 11/17/1981 | US4300662 Elevator door motor compensations |
| 11/17/1981 | US4300661 Elevator door stall mode with hysteresis |
| 11/17/1981 | US4300660 Elevator door motion reversal |
| 11/10/1981 | US4299308 Position controlled elevator door motion |
| 08/25/1981 | USRE30719 Doorway safety device |
| 08/12/1981 | EP0033646A2 Control mechanisms for pneumatic apparatus |
| 07/14/1981 | CA1105160A1 Elevator system door tampering protection circuits |
| 07/09/1981 | WO1981001837A1 Elevator door motion mode control |
| 07/09/1981 | WO1981001836A1 Elevator door motion reversal |
| 07/09/1981 | WO1981001835A1 Elevator door motion bench velocity |
| 07/09/1981 | WO1981001834A1 Elevator door motor compensations |
| 07/09/1981 | WO1981001833A1 Elevator door motion modification |
| 07/09/1981 | WO1981001832A1 Elevator door stall mode with hysteresis |
| 07/09/1981 | WO1981001831A1 Time controlled elevator door motion |
| 07/09/1981 | WO1981001830A1 Position controlled elevator door motion |
| 07/08/1981 | EP0031721A2 Method and apparatus for controlling elevator door motion |
| 06/23/1981 | US4274226 Detection of object in path of moving gate |
| 04/28/1981 | CA1100207A1 Safety device |
| 04/14/1981 | US4261440 Automatically compensating object detection circuit |
| 02/24/1981 | US4252218 Device and method for unlocking elevator doors |
| 01/27/1981 | CA1094703A1 Elevator safety apparatus |
| 12/23/1980 | US4240528 Field sensor |
| 10/29/1980 | EP0018239A1 Safety device for sliding wing, especially for automatically closing sliding door |
| 10/15/1980 | EP0017547A1 Proximity detector and use thereof |
| 10/14/1980 | US4227592 Duplex door safety recycling system |
| 09/30/1980 | US4224767 Fire stop safety astragal |
| 08/05/1980 | CA1083187A1 Apparatus for mounting an elevator door operator |
| 06/17/1980 | US4208695 Proximity detector |
| 03/04/1980 | US4191894 Proximity detector |
| 12/11/1979 | US4177881 Elevator system |
| 10/23/1979 | CA1064838A1 Apparatus for actuating hoistway doors of an elevator |
| 05/22/1979 | CA1054955A1 Elevator system |
| 04/17/1979 | US4149615 Apparatus for mounting an elevator door operator |
| 04/10/1979 | US4148377 Apparatus for actuating hoistway doors of an elevator |
| 03/06/1979 | US4143367 Safety device for limiting the movement of doors and the like on contact with an obstacle |
| 10/17/1978 | CA1040551A1 Elevator system including door operator having an enclosure which forms track for door rollers |
| 10/10/1978 | CA1040283A1 Fork truck operated switch |
| 09/19/1978 | US4114731 Elevator safety arrangement |
| 08/22/1978 | US4108283 Master operator for vertically moving elevator car doors |
| 08/22/1978 | US4108281 Elevator door tampering protection system |