| 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 |