Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7810544 | Door system | — | 2010-10-12 |
| 7617860 | Elevator door system | — | 2009-11-17 |
| 7506727 | Door with sliding door leaf and with guide means | — | 2009-03-24 |
| 7445089 | Sealing device with magnetically movable door seal for a closable door leaf of an elevator installation | Erwin Kuipers | 2008-11-04 |
| 7232012 | Elevator shaft door | Josef A. Muff, Jules Christen | 2007-06-19 |
| 7182174 | Method and system for emergency evacuation of building occupants and a method for modernization of an existing building with said system | Lorenzo Parrini, Kilian Schuster, Lukas Finschi, Paul Friedli | 2007-02-27 |
| 6668494 | Door frame at elevator shaft doors | Jules Christen, Roland Weidmann | 2003-12-30 |
| 5869794 | Method and device for increased safety in elevators | — | 1999-02-09 |
| 5667039 | Rollers for the roller guide of sliding elevator doors | — | 1997-09-16 |
| 5655626 | Roller guide for a sliding elevator door | — | 1997-08-12 |
| 5616895 | Door safety circuit for monitoring of story doors in lift installations | — | 1997-04-01 |
| 5584142 | Threshold profile member for the guidance of door leaves | — | 1996-12-17 |
| 5575357 | Entraining apparatus for elevator doors | — | 1996-11-19 |
| 5544720 | Entraining and unlatching apparatus for elevator doors | — | 1996-08-13 |
| 4349759 | Commutator for electrical machines | Niklaus Arnold, Josef Schmidli | 1982-09-14 |