Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11560229 | High-efficiency method using unmanned aerial vehicles for firefighting | — | 2023-01-24 |
| 9365298 | High-speed airplane deicing installation systems and methods | — | 2016-06-14 |
| 9352852 | High-speed airplane deicing installation systems and methods | — | 2016-05-31 |
| 9181736 | Compact door closing latching mechanism | — | 2015-11-10 |
| 9133650 | Door closing latching mechanism | — | 2015-09-15 |
| 8793837 | Pneumatic door closer with volume displacer | — | 2014-08-05 |
| 8661616 | Door closer with push button hold open mechanism | — | 2014-03-04 |
| 8051534 | Pneumatic door closer | — | 2011-11-08 |
| 7219391 | Door assembly with concealed door closer | — | 2007-05-22 |
| 7111359 | Rod gripper | — | 2006-09-26 |
| 7055319 | Piston and cylinder assembly with volume compensating system | — | 2006-06-06 |
| 6976289 | Door closer with door arresting mechanism | — | 2005-12-20 |
| 6976288 | Rod gripper | — | 2005-12-20 |
| 6871381 | Door closure with adjusting mechanism for controlling door closing speed | — | 2005-03-29 |
| 5842255 | Door closers with automatic latching or/and delayed action | — | 1998-12-01 |
| 5832562 | Door closer | — | 1998-11-10 |
| 5630248 | Door closer with semi-automatic latching | — | 1997-05-20 |