| Patents for B66B 1 - Control systems of elevators in general (12,295) |
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| 06/22/1993 | US5220981 Elevator and a procedure for its control |
| 06/18/1993 | CA2085087A1 Using fuzzy logic to determine the number of passengers entering and exiting an elevator car |
| 06/15/1993 | US5219042 Using fuzzy logic to determine the number of passengers entering and exiting an elevator car |
| 06/09/1993 | EP0545572A1 Elevator load weighing |
| 06/09/1993 | CN2135559Y Energy-recovery numerical controlling lift |
| 06/02/1993 | EP0544543A2 Elevator system having dynamic sector assignments |
| 06/02/1993 | EP0544542A2 Elevator management system time based security |
| 06/02/1993 | EP0544540A2 Elevator system having improved crowd service based on empty car assignment |
| 06/02/1993 | EP0544084A2 Hoisting device with variable lifting speed |
| 05/26/1993 | CN1020882C Elevator control aggregate |
| 05/25/1993 | US5212951 Hydraulic elevator control valve |
| 05/19/1993 | CN2133559Y Limited phase switch |
| 05/12/1993 | EP0540984A2 Centralized change of parameters of hall and car equipment |
| 05/12/1993 | CN1020576C Apparatus for controlling elevator |
| 05/11/1993 | US5210473 System with delay timer for motor load equalization |
| 05/05/1993 | EP0540369A2 Adaptive elevator security system |
| 04/28/1993 | EP0539242A2 Improved elevator ride quality |
| 04/28/1993 | EP0539029A2 Temperature compensated circuit for induction motor |
| 04/25/1993 | CA2080533A1 Elevator ride quality |
| 04/21/1993 | CN1071139A Call-registering and indicating equipments arranged on at least one storey for lifts |
| 04/13/1993 | US5202540 Two-way ring communication system for elevator group control |
| 04/06/1993 | US5200583 Adaptive elevator security system |
| 04/06/1993 | US5199532 Electromagnetic elevator brake |
| 04/06/1993 | CA1315900C Group control for lifts with immediate allocation of target cells |
| 03/31/1993 | EP0534123A1 Hall-mounted call registration and display devices for elevators |
| 03/31/1993 | CN2129049Y Arrangement for speed regulation of dc electric motor |
| 03/31/1993 | CN1070382A Controlling apparatus for elevator |
| 03/30/1993 | US5197570 Linear motor driven elevator with passing function |
| 03/28/1993 | CA2079198A1 Call-registering and indicating equipments arranged on at least one storey for lifts |
| 03/17/1993 | CN1020088C Elevator controlling apparatus |
| 03/16/1993 | US5193651 Elevator apparatus |
| 03/09/1993 | US5192836 Apparatus for selecting an elevator car for physically handicapped persons from a group of elevators with immediate allocation of target calls |
| 03/03/1993 | EP0529120A1 Control method for the drive of a lifting device |
| 02/24/1993 | EP0528188A1 Determination of the number of persons entering and leaving an elevator car |
| 02/24/1993 | EP0528099A1 A two-speed up control system for a hydraulic elevator |
| 02/17/1993 | CN1019908C Safety apparatus for elevator |
| 02/17/1993 | CN1019907C Elevator control apparatus |
| 02/17/1993 | CN1019906C Moving means of elevators |
| 02/16/1993 | CA1313714C Method and apparatus for serving the passenger traffic at the main floor of an elevator installation |
| 02/09/1993 | CA1313574C Procedure for the tuning of the position controller of an elevator |
| 02/03/1993 | EP0525812A2 Elevator cab guidance assembly |
| 02/03/1993 | CA2075007A1 Elevator cab guidance assembly |
| 02/02/1993 | US5183981 "Up-peak" elevator channeling system with optimized preferential service to high intensity traffic floors |
| 02/02/1993 | CA1313431C Method for using door cycle time in dispatching elevator cars |
| 01/26/1993 | US5182776 Image processing apparatus having apparatus for correcting the image processing |
| 01/26/1993 | CA1313279C Queue based elevator dispatching system using peak period traffic prediction |
| 01/20/1993 | EP0523971A1 Elevator horizontal suspensions and controls |
| 01/20/1993 | EP0523601A1 Procedure for modernizing an elevator group |
| 01/20/1993 | EP0303717B1 Drive control system for electric motor |
| 01/06/1993 | CN1067632A Apparatus for operating elevators when electricity is ceased |
| 12/30/1992 | CN2126227U Brake-shoe block electromagnetic brake with automatic compensaor |
| 12/30/1992 | CN1067534A Procedure for filtering speed feedback signal |
| 12/29/1992 | CA1312153C Group-supervisory apparatus for elevator system |
| 12/29/1992 | CA1312116C Method and device for braking a squirrel-cage motor |
| 12/23/1992 | CN2125570U Power saving speed-limiting safety lift container |
| 12/23/1992 | CN1067222A Elevator control apparatus |
| 12/22/1992 | US5172782 Pivot mount of elevator load-weighing at car hitch |
| 12/16/1992 | EP0518267A2 Procedure for local automatic control of the brightness and sound volume of a signalling device of an elevator |
| 12/16/1992 | EP0518148A1 Procedure for filtering a speed feedback signal |
| 12/16/1992 | CN1067023A Signal transfer system for elevator |
| 12/15/1992 | US5172031 Hermetically sealed type electronic flash device |
| 12/14/1992 | CA2070365A1 Procedure for local automatic control of the brightness and sound volume of a signalling device |
| 12/10/1992 | DE4208173A1 Measuring absolute position of lift cabin when power fails or after accident - measuring time of transition of ultrasonic signals between two ultrasonic transducers radiating into lift shaft |
| 12/08/1992 | US5170021 Hydraulic elevator control system using a plurality of solenoid valves |
| 12/02/1992 | CN1019289B Controlling apparatus of elevator |
| 12/02/1992 | CN1019288B Method and apparatus for realizing elevator group control |
| 12/01/1992 | US5168136 Learning methodology for improving traffic prediction accuracy of elevator systems using "artificial intelligence" |
| 12/01/1992 | US5168135 Allocation of elevator car to floors including car direction reversals which improve service |
| 12/01/1992 | US5168133 Automated selection of high traffic intensity algorithms for up-peak period |
| 12/01/1992 | US5168131 Apparatus and method for controlling an elevator |
| 12/01/1992 | US5167400 Has invented certain and useful improvements in control device for lifting winches, in particular for drilling rigs |
| 11/25/1992 | EP0514782A1 Hydraulic circuit for passenger and freight elevators and the like |
| 11/25/1992 | CN1019187B Elevator controlling apparatus |
| 11/24/1992 | CA1310770C Coincident call optimization in an elevator dispatching system |
| 11/11/1992 | EP0512575A2 Electronic code key |
| 11/11/1992 | CN1066042A Electric hoist |
| 11/10/1992 | US5162665 Elevator call button/annunciator assembly and circuit |
| 11/10/1992 | US5162623 Elevator monitor and control system with multiple power sources |
| 11/10/1992 | CA1310007C Hoist winding system |
| 11/04/1992 | EP0511904A2 Elevator dispatching |
| 11/04/1992 | EP0511486A1 An electric hoist |
| 10/30/1992 | CA2062646A1 Elevator dispatching |
| 10/29/1992 | WO1992018411A1 Method of controlling a plurality of elevators moving in a common hoistway |
| 10/28/1992 | CN1065639A Method of controlling elevators |
| 10/28/1992 | CN1018816B Elevator control system |
| 10/27/1992 | US5159163 Elevator management system time based security |
| 10/27/1992 | US5159162 Elevator leveling control device |
| 10/21/1992 | EP0509647A1 Linear motor driven elevator |
| 10/20/1992 | US5157228 Adjusting technique for a digital elevator drive system |
| 10/20/1992 | US5156239 Disc brake/load weighing assembly for elevator drive sheave |
| 10/20/1992 | US5156080 Control valve for a hydraulic elevator |
| 10/14/1992 | EP0508438A1 Method of notifying a user of an arriving elevator car |
| 10/14/1992 | EP0508094A1 Method for preventing local bunching of cars in an elevator group under variable traffic flow |
| 10/13/1992 | US5155305 Delayed start of elevator car deceleration and creep using VVVF technology |
| 10/08/1992 | DE4118134C1 Lift with hydraulic oil drive - provides cabin with top and bottom pressure chambers receiving or releasing compressed oil |
| 10/06/1992 | US5153390 Method for avoiding terminal landing position initialization after power loss |
| 10/06/1992 | US5153389 Two stage electromagnetic braking device for an elevator |
| 09/30/1992 | CN1064847A 液压升降机 Hydraulic lifts |
| 09/30/1992 | CN1064846A Control board for elevator |
| 09/29/1992 | US5151562 System for adjusting horizontal deviations of an elevator car during vertical travel |