Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11788922 | Burst-duct detection system | Joe Marban | 2023-10-17 |
| 11377350 | Air filter assembly | Michael Gao | 2022-07-05 |
| 11287349 | Burst-duct detection system | Joe Marban | 2022-03-29 |
| 10442690 | Air filter assembly | Michael Gao | 2019-10-15 |
| 10160647 | Air filter assembly | Michael Gao | 2018-12-25 |
| 9427691 | Antimicrobial air filter | Michael Gao | 2016-08-30 |
| 7992723 | Filter cartridge with inlet flow diffuser | Michael Sandford, Michael Gao, Rowland Ellis | 2011-08-09 |
| 7942060 | Universal ultrasound holder and rotation device | Jasjit S. Suri, Animesh Khemka, Dinesh Kumar | 2011-05-17 |
| 6959819 | Fatigue rated glass filled plastic filter assembly incorporating a coreless plastic filter element with integral seal | Daniel Moscaritolo | 2005-11-01 |
| 5702592 | Filter monitoring device which monitors differential pressure and temperature | Z. Paul Akian | 1997-12-30 |
| 5611923 | Filter assembly having quick connect/disconnect sealing valve means | Z. Paul Akian, Steven H. Parker, Robert F. Udell, Michael M. Leitzell, David K. Nees +1 more | 1997-03-18 |