| Patent No. | Patent Title: |
| 5196656 | Elevator door control apparatus |
| 5192836 | Apparatus for selecting an elevator car for physically handicappe... |
| 5183980 | Linear motor elevator device with a null-flux position adjustment |
| 5170865 | Apparatus for controlling an elevator door using a drive motor sl... |
| 5170021 | Hydraulic elevator control system using a plurality of solenoid v... |
| 5168131 | Apparatus and method for controlling an elevator |
| 5168136 | Learning methodology for improving traffic prediction accuracy of... |
| 5168135 | Allocation of elevator car to floors including car direction reve... |
| 5168133 | Automated selection of high traffic intensity algorithms for up-p... |
| 5162623 | Elevator monitor and control system with multiple power sources |
| 5159163 | Elevator management system time based security |
| 5159162 | Elevator leveling control device |
| 5157267 | Driving apparatus for starting an engine with a starter motor ene... |
| 5157228 | Adjusting technique for a digital elevator drive system |
| 5155373 | Driving apparatus for starting an engine with a starting motor en... |
| 5155374 | Driving apparatus for starting an engine with starter motor energ... |
| 5155305 | Delayed start of elevator car deceleration and creep using VVVF ... |
| 5153390 | Method for avoiding terminal landing position initialization afte... |
| 5153389 | Two stage electromagnetic braking device for an elevator |
| 5151610 | Wind machine with electric generators and secondary rotors locate... |
| 5151562 | System for adjusting horizontal deviations of an elevator car dur... |
| 5149922 | Elevator load detector device using movable detector plates |
| 5149921 | Self correcting infrared intrusion detection system |
| 5146095 | Low discharge capacitor motor starter system |
| 5146053 | Elevator dispatching based on remaining response time |
| 5144101 | Control apparatus for elevator doors using velocity limiting circ... |
| 5141082 | Linear motor elevator system |
| 5142107 | Apparatus for controlling group supervisory operation of elevator... |
| 5137118 | Apparatus for controlling the opening and closing of electric doo... |
| 5135081 | Elevator position sensing system using coded vertical tape |
| 5131507 | Hydraulic elevator control apparatus using VVVF to determine the ... |
| 5131508 | Apparatus for monitoring elevator cages for crime prevention |
| 5118961 | Turbine generator |
| 5107964 | Separate elevator door chain |
| 5099957 | Procedure and apparatus for controlling a hydraulic elevator duri... |
| 5092431 | Group control for elevators with immediate allocation of target c... |
| 5092430 | Method of operating common elevator |
| 5090516 | Elevator linear motor bus bar |
| 5086883 | Group control for elevators with double cars with immediate alloc... |
| 5086234 | Method and apparatus for combined-closed-cycle magnetohydrodynami... |
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