| Patents for B66B 1 - Control systems of elevators in general (12,295) |
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| 10/25/1989 | EP0338777A2 Speed control system for elevators |
| 10/24/1989 | US4875554 Dynamic selection of elevator call assignment scan direction |
| 10/18/1989 | EP0337717A2 Training kit |
| 10/17/1989 | US4874063 Portable elevator traffic pattern monitoring system |
| 10/10/1989 | US4873601 Spot network type power receiving and transforming protective apparatus |
| 10/10/1989 | US4872532 Signal transmission method and system in elevator equipment |
| 10/04/1989 | EP0335599A2 Inverter speed control unit |
| 10/04/1989 | EP0335412A1 Elevator control system |
| 10/04/1989 | CN1035992A Lifter controller capable to select moving direction automatically |
| 09/26/1989 | US4869348 Group control for elevators with immediate allocation of calls of destination |
| 09/26/1989 | US4869347 Speed control apparatus for elevators |
| 09/26/1989 | CA1261085A1 Hydraulic elevator having microprocessor-based, distributed control system |
| 09/26/1989 | CA1260637A1 Counteracting elevator car oscillation |
| 09/19/1989 | CA1259719A1 Method of controlling an elevator |
| 09/13/1989 | CN1035475A Controlling apparatus in elevator |
| 09/12/1989 | CA1259431A1 Elevator group control for the distribution of traffic at a main floor |
| 09/07/1989 | DE3806410A1 Method for improving the start-up behaviour of a conveying installation |
| 09/06/1989 | EP0330882A2 Control device for the gas supply of the driving unit of an inclined lift |
| 09/05/1989 | US4864208 Actual position signal generator for the position control circuit of an elevator drive |
| 08/30/1989 | CN1035092A Method and apparatus for controlling elevator and method and apparatus for inputing instruction to controlling service |
| 08/29/1989 | US4861328 Mandrel for forming a bottom in a packaging container |
| 08/23/1989 | CN1005030B Control apparatus for a.c. elevator |
| 08/22/1989 | US4860207 Information transmission control apparatus for elevator system |
| 08/22/1989 | US4858727 Apparatus and method for transmitting signal for elevator |
| 08/16/1989 | EP0328423A1 Contiguous floor channeling elevator dispatching |
| 08/16/1989 | CN2042837U Semi-conductor-relay iogical control device for elevator |
| 08/09/1989 | CN1034520A Call registering and indicating devices for elevators arranged on the floors |
| 08/09/1989 | CN1034519A Departure method of regulating electric elevator room at central station on tending to high-peak remote transport |
| 08/08/1989 | CA1258325A1 Elevator motor control |
| 08/01/1989 | US4852695 Elevator control system |
| 08/01/1989 | US4852694 Elevator starting compensation method and apparatus |
| 07/25/1989 | US4851982 Apparatus for controlling an A.C. powered elevator |
| 07/25/1989 | CA1257937A1 Indicating device for elevators |
| 07/19/1989 | EP0324228A2 Elevator control switch and position indicator assembly |
| 07/19/1989 | EP0324068A1 Process for managing passenger traffic at the main stop of a lift installation |
| 07/19/1989 | EP0222801B1 Electrically controlled valve apparatus |
| 07/11/1989 | US4846311 Optimized "up-peak" elevator channeling system with predicted traffic volume equalized sector assignments |
| 07/11/1989 | US4846310 Signal transmission apparatus for elevator |
| 07/11/1989 | CA1257417A1 Method for privately controlling an elevator |
| 07/06/1989 | DE3743221A1 Method for operating a slipring-rotor machine of a shaft hoist system |
| 07/04/1989 | US4845418 Flux profile control for startup of an induction motor |
| 07/04/1989 | US4844205 Stopping control for an elevator |
| 07/04/1989 | US4844204 Procedure for modernizing the control system of a lift |
| 06/28/1989 | EP0321657A1 Process for controlling the dispatch of lift cabins from the main stop at rush hours |
| 06/28/1989 | CN2040087U Automatic directional lift controller |
| 06/21/1989 | EP0320583A1 Call registering keyboard and display device on the floors for lifts |
| 06/13/1989 | US4838385 Method for coordinating elevator group traffic |
| 06/13/1989 | US4838384 Queue based elevator dispatching system using peak period traffic prediction |
| 06/07/1989 | EP0318660A1 Process and device for the position control of a positioning drive, especially for lifts |
| 06/06/1989 | US4836336 Elevator system floor call registering circuit |
| 05/24/1989 | CN2038101U Micro-computer controlled device for elevator |
| 05/23/1989 | US4833380 Hoist motor protection |
| 05/23/1989 | US4832159 Elevator control apparatus |
| 05/11/1989 | DE3736769A1 Hydraulically-powered lift |
| 05/10/1989 | EP0314812A1 Alternating current motor control system with emergency control. |
| 05/10/1989 | CN1032769A Signal transmission method and system in elevator equipment |
| 05/09/1989 | US4828075 Elevator drive control apparatus for smooth start-up |
| 05/09/1989 | CA1253982A1 Apparatus for producing shaft-information with respect to an elevator |
| 05/03/1989 | CN1032648A Group controlling apparatus of elevator related to control load of hanging cabin |
| 05/02/1989 | CA1253443A1 Safety brake for mobile storage apparatus |
| 05/02/1989 | CA1253442A1 Anti-roll brake for mobile storage system |
| 04/26/1989 | EP0312730A1 Group control for lifts with load dependant control of the cabins |
| 04/18/1989 | CA1252924A1 Apparatus for load-dependant control of an elevator |
| 04/11/1989 | US4819766 Group supervising system for outdoor observatory elevator |
| 04/11/1989 | CA1252582A1 Backup position signaling in an elevator |
| 04/06/1989 | DE3732593A1 Drive system for a mine hoisting system |
| 04/04/1989 | US4817761 Control apparatus for elevator |
| 03/29/1989 | EP0308934A1 Valve means |
| 03/29/1989 | EP0308590A1 Group control for lifts affording instantaneous attribution of destination calls |
| 03/28/1989 | US4816985 Apparatus for controlling an alternating current power supply |
| 03/28/1989 | US4815568 Weighted relative system response elevator car assignment system with variable bonuses and penalties |
| 03/28/1989 | US4815567 Apparatus for controlling an A.C. powered elevator |
| 03/07/1989 | US4809817 Apparatus for controlling elevator at occurrence of earthquake |
| 03/07/1989 | CA1250970A1 Elevator system |
| 03/01/1989 | CN1031356A Controlling apparatus of elevator for arriving the station |
| 02/22/1989 | EP0303717A1 Drive control system for electric motor. |
| 02/21/1989 | US4805739 Elevator control switch and position indicator assembly |
| 02/15/1989 | CN1031061A Group controlling apparatus of elevator |
| 02/14/1989 | US4804069 Contiguous floor channeling elevator dispatching |
| 02/07/1989 | US4802557 Wait time prediction apparatus for elevator |
| 02/07/1989 | CA1249888A1 Elevator system |
| 02/07/1989 | CA1249887A1 Multicompartment elevator call assigning |
| 02/02/1989 | DE3822466A1 Method of checking the position and movement of transport equipment moved by rope |
| 02/01/1989 | EP0301920A2 Modular elevator system |
| 02/01/1989 | EP0301178A1 Lift control device |
| 02/01/1989 | EP0301173A1 Group control for lifts |
| 02/01/1989 | CN1030732A Safety devices for elevator |
| 02/01/1989 | CN1030731A Controlling apparatus for lift equipment |
| 01/31/1989 | US4802082 Supervisory system for elevators |
| 01/31/1989 | US4800990 Three speed valve control for high performance hydraulic elevator |
| 01/31/1989 | CA1249675A1 Supervisory system for elevators |
| 01/25/1989 | CN1030557A Apparatus and method for transmiting signal of elevator |
| 01/18/1989 | CN1030391A Control apparatus of ac elevator |
| 01/17/1989 | US4798267 Elevator system having an improved selector |
| 01/11/1989 | EP0298784A2 Elevator car door and motion sequence monitoring apparatus and method |
| 01/11/1989 | CN1030214A Controlling apparatus of elevator |
| 01/10/1989 | US4797675 Procedure for counting moving objects as they stop |
| 01/04/1989 | EP0297232A1 Actual value transmitter for closed loop position control of a lift system |
| 12/27/1988 | US4793443 Dynamic assignment switching in the dispatching of elevator cars |
| 12/27/1988 | US4793442 Method and apparatus for providing pre-travel balancing energy to an elevator drive |