Issued Patents All Time
Showing 25 most recent of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12012307 | Elevator safety system | Dirk H. Tegtmeier | 2024-06-18 |
| 11993481 | Elevator system | Dirk H. Tegtmeier | 2024-05-28 |
| 11565911 | Electronic test nodes for automatic check of a safety chain | Norbert Diwisch | 2023-01-31 |
| 11535487 | Elevator safety system | — | 2022-12-27 |
| 11485608 | Elevator safety system | Dirk H. Tegtmeier | 2022-11-01 |
| 11440773 | Automatic rescue operation in an elevator system | — | 2022-09-13 |
| 11414297 | Elevator safety device | Mustapha Toutaoui, Ralph S. Stripling, Sven Knuth, Raphael Pecek | 2022-08-16 |
| 11014781 | Elevator safety system and method of monitoring an elevator system | Dirk H. Tegtmeier | 2021-05-25 |
| 10947087 | Elevator safety system and method of operating an elevator system | Dirk H. Tegtmeier | 2021-03-16 |
| 10787341 | Elevator control system and elevator system having inspection control station | Michael Mann, Helmut Lothar Schroeder-Brumloop, Pascal Rebillard, Igor Kuzmin | 2020-09-29 |
| 10442660 | Elevator brake control system | Frank Kirchhoff | 2019-10-15 |
| 10155640 | Elevator system using rescue storage device for increased power | Juergen Gewinner, Felix Benjamin Donath, Daryl J. Marvin | 2018-12-18 |
| 9938115 | System and method for limiting over-voltage in power supply system | Juergen Gewinner | 2018-04-10 |
| 9908743 | Adaptive power control for elevator system using power profiles | — | 2018-03-06 |
| 9422133 | Elevator car control in a landing zone using a machine brake in response to undesired car movement | Pascal Rebillard, Nicolas Fonteneau, Gerard Sirigu, Gregor Stricker, James L. Hubbard +4 more | 2016-08-23 |
| 9376289 | Elevator control system with sleep monitor | Juergen Gewinner, Axel Pfeffer, Dirk H. Tegtmeier, Gianfranco Giannini, Michael Mann | 2016-06-28 |
| 9371210 | Elevator safety system having multiple buses | Shari R. Parillo, Paul C. Hoppie, Steven D. Coste, Robert Mazzamauro, Ronnie E. Thebeau +1 more | 2016-06-21 |
| 9158289 | Safety circuit | Juergen Gewinner, Dirk H. Tegtmeier | 2015-10-13 |
| 9120646 | Systems and methods for determining functionality of an automatic door system | Ruediger Loeb | 2015-09-01 |
| 9051155 | Elevator rescue system including communications over a rescue operation signal transmission path | Hans-Kilian Spielbauer, Juergen Gewinner, Matthias Hoinkis | 2015-06-09 |
| 8997968 | Automatic adjustment of parameters for safety device | Burkhard Braasch, Ruediger Loeb, Ingo Engelhard, Michael Wilke | 2015-04-07 |
| 8960407 | Signal correlation for missing step detection in conveyors | Burkhard Braasch, Ingo Engelhard, Dirk H. Tegtmeier, Ralph S. Stripling, Frank Kirchhoff | 2015-02-24 |
| 8365870 | Foldable handrail and safety switch arrangement on top of an elevator car | Gerard Sirigu, Pascal Rebillard, Olivier Dukacz, Dominique Goulet, Alain Simonot +10 more | 2013-02-05 |
| 8162108 | Elevator having a limit switch for controlling power to the drive system as an elevator car approaches a shallow pit or a low overhead | Gerard Sirigu, Pascal Rebillard, Olivier Dukacz, Dominique Goulet, Alain Simonot +10 more | 2012-04-24 |
| 7523809 | Elevator top of car safety | Andres Monzon-Simon, Julián Cabañas Falcón, Fernando Del Rio Sanz, Antonio de Miguel Urquijo, Francisco Luis Sanz Delgado +2 more | 2009-04-28 |