Issued Patents All Time
Showing 26–33 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9546072 | Energy use in elevator installations | — | 2017-01-17 |
| 9296590 | Safety device for braking an elevator cage | Hans Kocher, Jean-Philippe Escher | 2016-03-29 |
| 9272878 | Shaft access enabling device of an elevator system | Hans Kocher, David Michel, Bjarne Lindberg | 2016-03-01 |
| 9027714 | Actuating and resetting a safety gear | Josef Husmann, David Michel, Hans Kocher, Karl Weinberger | 2015-05-12 |
| 9004229 | Marking device in elevator system | Bjarne Lindberg | 2015-04-14 |
| 8863910 | Elevator shaft door opening authorizing safety device | Martin Hess, David Michel | 2014-10-21 |
| 8807284 | Elevator with a monitoring system | David Michel, Martin Hess | 2014-08-19 |
| 8443944 | Monitoring method for an elevator installation | Kurt Heinz | 2013-05-21 |