Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11679352 | Filter arrangements; housings; assemblies; and, methods | Paul Counlonvaux, Johan G. Dewit, Cary Donald Olson, Thomas Miller, Wayne R. W. Bishop +3 more | 2023-06-20 |
| 11123673 | Filter arrangements; housings; assemblies; and, methods | Paul Coulonvaux, Johan G. Dewit, Cary Donald Olson, Thomas Miller, Wayne R. W. Bishop +3 more | 2021-09-21 |
| 10343101 | Filter arrangements; housings; assemblies; and, methods | Paul Coulonvaux, Johan G. Dewit, Cary Donald Olson, Thomas Miller, Wayne R. W. Bishop +3 more | 2019-07-09 |
| 10252206 | Filter arrangements; housings; assemblies; and, methods | Paul Coulonvaux, Johan G. Dewit, Cary Donald Olson, Thomas Miller, Wayne R. W. Bishop +3 more | 2019-04-09 |
| 9839870 | Filter for humidity control, typically for control of humidity in a bulk liquid tank | Dustin Zastera, Gregory LaVallee | 2017-12-12 |
| 9283507 | Filter arrangements; housings; assemblies; and, methods | Paul Coulonvaux, Johan G. Dewit, Cary Donald Olson, Thomas Miller, Wayne R. W. Bishop +3 more | 2016-03-15 |
| 8641795 | Filter arrangements; housing; assemblies; and, methods | Paul Coulonvaux, Johan G. Dewit, Cary Donald Olson, Thomas Miller, Wayne R. W. Bishop +3 more | 2014-02-04 |
| 8343245 | Filter arrangements; housings; assemblies; and, methods | Paul Coulonvaux, Johan G. Dewit, Cary Donald Olson, Thomas Miller, Wayne R. W. Bishop +3 more | 2013-01-01 |
| 7905936 | Filter arrangements; housing; assemblies; and, methods | Paul Coulonvaux, Johan G. Dewit, Cary Donald Olson, Thomas Miller, Wayne R. W. Bishop +3 more | 2011-03-15 |
| 7364601 | Precleaner arrangement for use in air filtration; method; and, air cleaner using same | Jian Xu, Steven Scott Gieseke | 2008-04-29 |
| D520619 | Air cleaner for engine | Bradley Kuempel, Jordan Flagstad, Sheldon Anderson, Gary Hewitt | 2006-05-09 |
| 6994742 | Filtration arrangement utilizing pleated construction and method | Mark A. Gogins, Thomas M. Weik | 2006-02-07 |
| 6892854 | Muffler with catalytic converter arrangement; and method | Wayne M. Wagner, Douglas E. Flemming, James C. Rothman, Peter A. Betts | 2005-05-17 |
| 6800117 | Filtration arrangement utilizing pleated construction and method | Mark A. Gogins, Thomas M. Weik | 2004-10-05 |
| 6550573 | Muffler with catalytic converter arrangement, and method | Wayne M. Wagner, Douglas E. Flemming, James C. Rothman, Peter A. Betts | 2003-04-22 |
| 5828013 | Muffler with catalytic converter arrangement; and method | Wayne M. Wagner, Douglas E. Flemming, James C. Rothman, Peter A. Betts | 1998-10-27 |
| 5616171 | Pulse jet filter cleaning system | Thomas M. Weik, Kelly C. Robertson, Donald R. Monson, Jim C. Rothman, Pete A. Betts | 1997-04-01 |
| 5426269 | Muffler with catalytic converter arrangement; and method | Wayne M. Wagner, Douglas E. Flemming, James C. Rothman, Peter A. Betts, John S. Wiese +1 more | 1995-06-20 |
| 5357755 | Trap apparatus with bypass | Gary R. Gillingham, Charles O. Reinhart, Julian A. Imes, Erland D. Anderson, Peter A. Betts | 1994-10-25 |
| 5355973 | Muffler with catalytic converter arrangement; and method | Wayne M. Wagner, Douglas E. Flemming, James C. Rothman, Peter A. Betts | 1994-10-18 |
| 5293742 | Trap apparatus with tubular filter element | Gary R. Gillingham, James C. Rothman, Kelly C. Robertson, Peter A. Betts, Wayne M. Wagner | 1994-03-15 |
| 5250094 | Ceramic filter construction and method | H. Young Chung, Keh B. Dema | 1993-10-05 |
| 5212948 | Trap apparatus with bypass | Gary R. Gillingham, Charles O. Reinhart, Julian A. Imes, Erland D. Anderson | 1993-05-25 |
| 5053062 | Ceramic foam prefilter for diesel exhaust filter system | Wayne M. Wagner | 1991-10-01 |
| 5024054 | Engine exhaust system with sequential loading of multiple filters | Wayne M. Wagner | 1991-06-18 |