Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12163367 | Window, escape hatch or a door comprising a chain support mechanism | — | 2024-12-10 |
| 9476488 | Push-pull chain actuator with reduced chain vibrations | Jens Jørren Sørensen | 2016-10-25 |
| 8763482 | Push-pull chain actuator with reduced chain vibrations | Jens Jørren Sørensen | 2014-07-01 |
| 5802768 | Manually releasable coupling device for connecting an elongate operator with a frame or main frame member of a window and a pivotal chain opener operated window with such a coupling device | Carl Johannes Hammer | 1998-09-08 |