Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12146357 | Fire protection securing device for securing a door actuator | Thomas Salutzki, Thomas Pabst, Alexander Hellwig | 2024-11-19 |
| 12049782 | Backplate for a door actuator | Alexander Hellwig, Thomas Salutzki, Konstantin Lygin | 2024-07-30 |
| 11814888 | Fire protection fastening device for fastening a door actuator | Alexander Hellwig, Thomas Salutzki, Sabine Wiemann | 2023-11-14 |
| 10006236 | Door drive | Alexander Hellwig, Thomas Wildförster, Thomas Salutzki | 2018-06-26 |
| 9790723 | Door operator | Alexander Hellwig | 2017-10-17 |
| 9297194 | Hydraulic solenoid distribution valve | Thomas Wildförster | 2016-03-29 |
| 9045926 | Door closer having a magnetic distribution valve | Thomas Salutzki | 2015-06-02 |
| 8875344 | Door closer | Thomas Salutzki, Thomas Wildförster, Thomas Pabst, Sabine Wiemann | 2014-11-04 |
| 8826494 | Door closer comprising cam drive | Sabine Wiemann, Thomas Pabst | 2014-09-09 |
| 8819895 | Door closer with free-swing function | — | 2014-09-02 |
| 8806715 | Door closer comprising device for preventing a spring-back | Sabine Wiemann, Thomas Pabst | 2014-08-19 |
| 8393054 | Door operator | — | 2013-03-12 |
| 7966771 | Door operator, in particular swing door operator | — | 2011-06-28 |
| 7650669 | Door closer | — | 2010-01-26 |
| 5832561 | Automatic door closer and process for assembly of same | — | 1998-11-10 |
| 5802670 | Door closer | — | 1998-09-08 |