Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10967320 | Pulse jet air cleaner systems; components; and, methods | Gary R. Gillingham, Fred H. Wahlquist, Thomas R. Olson, Charles Jensen, Eugene Wilson +1 more | 2021-04-06 |
| 10512870 | Pulse jet air cleaner systems, components, and, methods | Gary R. Gillingham, Fred H. Wahlquist, Thomas R. Olson, Charles Jensen, Eugene Wilson +1 more | 2019-12-24 |
| 9757673 | Pulse jet air cleaner systems, components, and, methods | Gary R. Gillingham, Fred H. Wahlquist, Thomas R. Olson, Charles Jensen, Eugene Wilson +1 more | 2017-09-12 |
| 9108135 | Pulse jet air cleaner systems; components; and, methods | Gary R. Gillingham, Fred H. Wahlquist, Thomas R. Olson, Charles Jensen, Eugene Wilson +1 more | 2015-08-18 |
| 8444748 | Multistage air cleaner including pulse cleaning system | Gary R. Gillingham, Stan M. Koehler, William J. Krisko, Thomas Miller, Winston E. Olson +2 more | 2013-05-21 |
| 8404021 | Pulse jet air cleaner system; components; and, methods | Gary R. Gillingham, Fred H. Wahlquist, Thomas R. Olson, Charles Jensen, Eugene Wilson +1 more | 2013-03-26 |
| 7090711 | Multistage air cleaner including pulse cleaning system | Gary R. Gillingham, Stan M. Koehler, William J. Krisko, Thomas Miller, Winston E. Olson +2 more | 2006-08-15 |
| 6908494 | Multistage air cleaner including pulse cleaning system | Gary R. Gillingham, Stan M. Koehler, William J. Krisko, Thomas Miller, Winston E. Olson +2 more | 2005-06-21 |
| 6872237 | Multistage air cleaner including pulse cleaning system | Gary R. Gillingham, Stan M. Koehler, William J. Krisko, Thomas Miller, Winston E. Olson +2 more | 2005-03-29 |
| 6676721 | Multistage air cleaner including pulse cleaning system | Gary R. Gillingham, Stan M. Koehler, William J. Krisko, Thomas Miller, Winston E. Olson +2 more | 2004-01-13 |
| 5388400 | Diesel engine exhaust regenerable filter system | Bruce Hoppenstedt, Wayne M. Wagner, Edward A. Steinbrueck | 1995-02-14 |
| 5373733 | Exhaust filter backpressure indicator | Edward A. Steinbrueck, Wayne M. Wagner | 1994-12-20 |