Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12385309 | Linkage for a door actuator | Thomas Salutzki, Alexander Hellwig | 2025-08-12 |
| 11814888 | Fire protection fastening device for fastening a door actuator | Alexander Hellwig, Thomas Salutzki, Volker Bienek | 2023-11-14 |
| 11725445 | Backplate for a door actuator | Alexander Hellwig, Thomas Salutzki | 2023-08-15 |
| 9631412 | Door actuator | Alexander Hellwig, Thomas Salutzki | 2017-04-25 |
| 8875344 | Door closer | Thomas Salutzki, Volker Bienek, Thomas Wildförster, Thomas Pabst | 2014-11-04 |
| 8826494 | Door closer comprising cam drive | Volker Bienek, Thomas Pabst | 2014-09-09 |
| 8806715 | Door closer comprising device for preventing a spring-back | Volker Bienek, Thomas Pabst | 2014-08-19 |