Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5305198 | Method and apparatus for the immediate allocation of target calls in elevator groups based upon operating costs and variable bonus and penalty point factors | Paul Friedli | 1994-04-19 |
| 5192836 | Apparatus for selecting an elevator car for physically handicapped persons from a group of elevators with immediate allocation of target calls | — | 1993-03-09 |
| 5092431 | Group control for elevators with immediate allocation of target calls in dependence on the hall call entry location | — | 1992-03-03 |
| 5086883 | Group control for elevators with double cars with immediate allocation of target calls | — | 1992-02-11 |
| 5065846 | Elevator group control for the immediate assignment of destination calls | — | 1991-11-19 |
| 4939634 | Group control overload protection for elevators with immediate allocation of calls of destination | — | 1990-07-03 |
| 4926976 | Method and apparatus for the control of elevator cars from a main floor during up peak traffic | — | 1990-05-22 |
| 4915197 | Elevator call registering and indicating device | — | 1990-04-10 |
| 4878562 | Group control for elevators with load dependent control of the cars | — | 1989-11-07 |
| 4869348 | Group control for elevators with immediate allocation of calls of destination | — | 1989-09-26 |
| 4864208 | Actual position signal generator for the position control circuit of an elevator drive | — | 1989-09-05 |
| 4858745 | Escalator steps having lateral safety devices | Max Haas | 1989-08-22 |
| 4836336 | Elevator system floor call registering circuit | — | 1989-06-06 |
| 4735294 | Elevator group control for the distribution of traffic at a main floor | — | 1988-04-05 |
| 4718520 | Group control for elevators | — | 1988-01-12 |
| 4711324 | Service indicating device for elevators | — | 1987-12-08 |
| 4700846 | Apparatus for mounting printed circuit boards on an instrument rack | — | 1987-10-20 |
| 4655325 | Method and apparatus for controlling elevators with double cars | Jiri Kiml, Fritz Meyer | 1987-04-07 |
| 4582173 | Group control for elevators with double cars | — | 1986-04-15 |
| D279100 | Visual control panel for television monitor for monitoring the position of individual elevators of a group of elevators or similar article | Thomas Hinderling | 1985-06-04 |
| 4492288 | Group control for elevators containing an apparatus for controlling the down-peak traffic | — | 1985-01-08 |
| 4411337 | Group control for elevators | Hans Bosshard, Jiri Kiml, Miroslav Kostka, Walter Zimmermann | 1983-10-25 |
| 4355705 | Group control for elevators | Hans Bosshard, Jiri Kiml, Miroslav Kostka, Walter Zimmermann | 1982-10-26 |
| 4347916 | Roll guide shoe for elevators or the like | — | 1982-09-07 |
| 4337847 | Drive control for an elevator | Martin Meier | 1982-07-06 |