Issued Patents All Time
Showing 1–25 of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12239934 | Pulse ring assembly for air cleaner systems and methods thereof | Fred H. Wahlquist, David W. Mulder, Robert R. Levac, Daniel E. Adamek | 2025-03-04 |
| 11826691 | Pulse jet air cleaner systems; evacuation valve arrangements; air cleaner components; and, methods | Fred H. Wahlquist, Jason DeGuelle | 2023-11-28 |
| 11731072 | Pulse ring assembly for air cleaner systems and methods thereof | Fred H. Wahlquist, David W. Mulder, Robert R. Levac, Daniel E. Adamek | 2023-08-22 |
| 11724227 | Pulse air cleaner system and methods with controlled scavenge | Robert R. Levac | 2023-08-15 |
| 11318408 | Air cleaner arrangements; serviceable filter elements; and, methods | Randall Allen Engelland, Gary R. Gillingham, Jim C. Rothman, Richard Lawrence Suydam | 2022-05-03 |
| 10967320 | Pulse jet air cleaner systems; components; and, methods | Gary R. Gillingham, Fred H. Wahlquist, Charles Jensen, Ervin Fuchs, Eugene Wilson +1 more | 2021-04-06 |
| 10675578 | Pulse jet air cleaner systems; evacuation valve arrangements; air cleaner components; and, methods | Fred H. Wahlquist, Jason DeGuelle | 2020-06-09 |
| 10589209 | Air cleaner arrangements; serviceable filter elements; and, methods | Randall Allen Engelland, Gary R. Gillingham, Jim C. Rothman, Richard Lawrence Suydam | 2020-03-17 |
| 10512870 | Pulse jet air cleaner systems, components, and, methods | Gary R. Gillingham, Fred H. Wahlquist, Charles Jensen, Ervin Fuchs, Eugene Wilson +1 more | 2019-12-24 |
| 10010825 | Air cleaner arrangements; serviceable filter elements; and, methods | Randall Allen Engelland, Gary R. Gillingham, Jim C. Rothman, Richard Lawrence Suydam | 2018-07-03 |
| 9757673 | Pulse jet air cleaner systems, components, and, methods | Gary R. Gillingham, Fred H. Wahlquist, Charles Jensen, Ervin Fuchs, Eugene Wilson +1 more | 2017-09-12 |
| 9737837 | Pulse jet air cleaner systems; evacuation valve arrangements; air cleaner components; and, methods | Fred H. Wahlquist, Jason DeGuelle | 2017-08-22 |
| 9217399 | Air cleaner arrangements; serviceable filter elements; and, methods | Randall Allen Engelland, Gary R. Gillingham, Jim C. Rothman, Richard Lawrence Suydam | 2015-12-22 |
| 9186612 | Pulse jet air cleaner systems; evacuation valve arrangements; air cleaner components; and, methods | Fred H. Wahlquist, Jason DeGuelle | 2015-11-17 |
| 9108135 | Pulse jet air cleaner systems; components; and, methods | Gary R. Gillingham, Fred H. Wahlquist, Charles Jensen, Ervin Fuchs, Eugene Wilson +1 more | 2015-08-18 |
| RE45588 | Air cleaner arrangements; serviceable filter elements; and, methods | Randall Allen Engelland, Gary R. Gillingham, Jim C. Rothman, Richard Lawrence Suydam | 2015-06-30 |
| 8808417 | Air cleaner arrangements; serviceable filter elements; and, methods | Randall Allen Engelland, Gary R. Gillingham, Jim C. Rothman, Richard Lawrence Suydam | 2014-08-19 |
| 8805310 | System and method for searching stored audio data based on a search pattern | David A. Blaker, Brian L. Douthitt | 2014-08-12 |
| 8404021 | Pulse jet air cleaner system; components; and, methods | Gary R. Gillingham, Fred H. Wahlquist, Charles Jensen, Ervin Fuchs, Eugene Wilson +1 more | 2013-03-26 |
| 8382875 | Air cleaner arrangements; serviceable filter elements; and, methods | Randall Allen Engelland, Gary Ray Gilingham, Jim C. Rothman, Richard Lawrence Suydam | 2013-02-26 |
| 8382876 | Air cleaner arrangement; serviceable filter cartridge; and, methods | Robert Widerski, Randall Allen Engelland, Gary R. Gillingham, Richard Lawrence Suydam | 2013-02-26 |
| 8262762 | Evacuation valve arrangements; pulse jet air cleaner systems using same; and, methods | Gary R. Gillingham, Fred H. Wahlquist | 2012-09-11 |
| 8147582 | Air cleaner arrangements; serviceable filter elements; and, methods | Randall Allen Engelland, Gary R. Gillingham, Jim C. Rothman, Richard Lawrence Suydam | 2012-04-03 |
| 8049595 | System and method for wireless control of multiple remote electronic systems | Michael R. Benson, Thomas S. Wright, Steven L. Geerlings, David A. Blaker | 2011-11-01 |
| 8048188 | Air cleaner arrangements; serviceable filter cartridge; and, methods | Robert Widerski, Randall Allen Engelland, Gary R. Gillingham, Richard Lawrence Suydam | 2011-11-01 |