Issued Patents All Time
Showing 25 most recent of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11691102 | Filtration media, pleated media pack, filter cartridge, and methods for manufacturing | Ming Ouyang | 2023-07-04 |
| 10953360 | Filtration media, pleated media pack, filter cartridge, and methods for manufacturing | Ming Ouyang | 2021-03-23 |
| 10343103 | Filtration media, pleated media pack, filter cartridge, and methods for manufacturing | Ming Ouyang | 2019-07-09 |
| 9770686 | Process and materials using z-filter media, and/or, closing flutes of filter media; and, products | Kevin Schrage, Eugene Lensing, Donald Mork, Troy Murphy, Jeff Rahlf +1 more | 2017-09-26 |
| 9346140 | Anvil for ultrasonic machining | Elmar Noder | 2016-05-24 |
| 8961722 | Process and materials for coiling z-filter media; and/or closing flutes of filter media; and, products | Kevin Schrage, Eugene Lensing, Donald Mork, Troy Murphy, Jeff Rahlf +1 more | 2015-02-24 |
| 8512499 | Fluted filter medium and process for its manufacture | Patrick Golden, Gregory Reichter | 2013-08-20 |
| 8496774 | Process and materials for coiling z-filter media; and/or closing flutes of filter media; and, products | Kevin Schrage, Eugene Lensing, Donald Mork, Troy Murphy, Jeff Rahlf +1 more | 2013-07-30 |
| 8460442 | Fluted filter media | Wayne M. Wagner, Gary R. Gillingham, Joseph C. Tokar, Jim C. Rothman, Fred H. Wahlquist +4 more | 2013-06-11 |
| 8268053 | Fluted filter media | Wayne M. Wagner, Gary R. Gillingham, Joseph C. Tokar, Jim C. Rothman, Fred H. Wahlquist +4 more | 2012-09-18 |
| 8226786 | Process and materials for coiling z-filter media, and/or closing flutes of filter media; and, products | Kevin Schrage, Eugene Lensing, Donald Mork, Troy Murphy, Jeff Rahlf +1 more | 2012-07-24 |
| 7997425 | Fluted filter medium and process for its manufacture | Patrick Golden, Gregory Reichter | 2011-08-16 |
| 7329326 | Method of making a fluted filter media for air filter | Wayne M. Wagner, Gary R. Gillingham, Joseph C. Tokar, Jim C. Rothman, Fred H. Wahlquist +4 more | 2008-02-12 |
| 6213146 | Valve assembly for preventing liquid ingestion and methods | Gary R. Gillingham, Fred H. Wahlquist, Wayne M. Wagner, Joseph C. Tokar, Bernard A. Matthys +1 more | 2001-04-10 |
| 6209559 | Valve assembly for preventing liquid ingestion and methods | Gary R. Gillingham, Fred H. Wahlquist, Wayne M. Wagner, Joseph C. Tokar, Bernard A. Matthys +1 more | 2001-04-03 |
| 6148519 | Apparatus for installing a packing material in a muffler assembly; and methods thereof | Eivind Stenersen, Wayne M. Wagner | 2000-11-21 |
| D428128 | Conical filter | Gary R. Gillingham, Wayne M. Wagner, Joseph C. Tokar, Jim C. Rothman, Steven A. Carter | 2000-07-11 |
| D425189 | Combined filter element and frame therefor | Gary R. Gillingham, Bernard A. Matthys, Joseph C. Tokar | 2000-05-16 |
| 6048386 | Integrated resonator and filter apparatus | Gary R. Gillingham, Joseph C. Tokar, Wayne M. Wagner, Bernard A. Matthys, Edward A. Steinbrueck | 2000-04-11 |
| 6009898 | Valve assembly for preventing liquid ingestion and methods | Gary R. Gillingham, Fred H. Wahlquist, Wayne M. Wagner, Joseph C. Tokar, Bernard A. Matthys +1 more | 2000-01-04 |
| 5931988 | Cabinet filter assembly and methods | James A. LeBlanc, Joseph C. Tokar | 1999-08-03 |
| 5902364 | Conical filter | Joseph C. Tokar, Gary R. Gillingham, Wayne M. Wagner, Jim C. Rothman, Fred H. Wahlquist +2 more | 1999-05-11 |
| 5895574 | Rolled liquid filter using fluted media | Francis A. Friedmann, Gary R. Gillingham, Bernard A. Matthys, Wayne M. Wagner, Fred H. Wahlquist | 1999-04-20 |
| D399944 | Conical filter | Gary R. Gillingham, Wayne M. Wagner, Joseph C. Tokar, Jim C. Rothman, Steven A. Carter | 1998-10-20 |
| 5820646 | Inline filter apparatus | Gary R. Gillingham, Wayne M. Wagner, Joseph C. Tokar, Jim C. Rothman, Fred H. Wahlquist | 1998-10-13 |