Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11808067 | Door arrester | Peter Hoffmann, Heiner Ackers, Torsten Meissner | 2023-11-07 |
| 11492828 | Door holder | Peter Hoffmann, Torsten Meissner, Dietmar Rehborn | 2022-11-08 |
| 10767402 | Door check and method for blocking a door check | Peter Hoffmann, Torsten Meissner, Matthias Brinker, Heiner Ackers, Dietmar Rehborn | 2020-09-08 |
| 8429793 | Door check | Ute Krüger, Peter Hoffmann | 2013-04-30 |
| 7870641 | Door stay with support housing | Peter Hoffmann, Torsten Meissner | 2011-01-18 |
| 7716787 | Locking device | Ralf Duning, Peter Hoffmann | 2010-05-18 |
| 7552953 | Door arrester | Thomas Schmoll, Gunter Plasberg, Peter Hoffmann, Ralf Duning | 2009-06-30 |
| 7530141 | Door arrester | Peter Hoffmann, Ute Krueger | 2009-05-12 |
| 6842943 | Pressure-ball sliding doorstop | Peter Hoffmann, Ralf Duning | 2005-01-18 |
| 6305721 | Plug-in coupling for pressure application systems | Manfred Berg | 2001-10-23 |
| 6220570 | Plug-in connection with leakage protection | Wolfgang Offenloch | 2001-04-24 |
| 6089540 | Plug-in connection with leakage protection | Wolfgang Offenloch | 2000-07-18 |