Issued Patents All Time
Showing 1–25 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12109526 | Air filter arrangement; assembly; and, methods | Paul Wendt | 2024-10-08 |
| 11786857 | Air filter arrangement; assembly; and, methods | Paul Wendt | 2023-10-17 |
| 11291943 | Air filter arrangement; assembly; and, methods | Gregory Reichter, Stephen Sabelko, Paul Wendt | 2022-04-05 |
| 11185810 | Air filter having fluted filter media | Larry R. Nepsund, Bradley Kuempel, Donald F. Engel, Sheldon Anderson, Richard L. Bucholtz +1 more | 2021-11-30 |
| 11173442 | Air filter arrangement; assembly; and, methods | Paul Wendt | 2021-11-16 |
| 10603618 | Air filter arrangement; assembly; and, methods | Gregory Reichter, Stephen Sabelko, Paul Wendt | 2020-03-31 |
| 10556202 | Air filter having fluted filter media | Larry R. Nepsund, Bradley Kuempel, Donald F. Engel, Sheldon Anderson, Richard L. Bucholtz +1 more | 2020-02-11 |
| 10427083 | Air filter arrangement; assembly; and methods | Paul Wendt | 2019-10-01 |
| 9937455 | Air filter arrangement; assembly; and, methods | Gregory Reichter, Stephen Sabelko, Paul Wendt | 2018-04-10 |
| 9782713 | Air filter having fluted filter media | Larry R. Nepsund, Bradley Kuempel, Donald F. Engel, Sheldon Anderson, Richard L. Bucholtz +1 more | 2017-10-10 |
| 9399972 | Air filter arrangement; assembly; and, methods | Paul Wendt | 2016-07-26 |
| 9162172 | Air filter having fluted filter media | Larry R. Nepsund, Bradley Kuempel, Donald F. Engel, Sheldon Anderson, Richard L. Bucholtz +1 more | 2015-10-20 |
| 9120047 | Air filter arrangement; assembly; and, methods | Gregory Reichter, Stephen Sabelko, Paul Wendt | 2015-09-01 |
| 8562707 | Air filter having fluted filter media | Larry R. Nepsund, Bradley Kuempel, Donald F. Engel, Sheldon Anderson, Richard L. Bucholtz +1 more | 2013-10-22 |
| 8480779 | Air filter arrangement; assembly; and, methods | Gregory Reichter, Stephen Sabelko, Paul Wendt | 2013-07-09 |
| 8357219 | Air filter arrangement; assembly and methods | Paul Wendt | 2013-01-22 |
| 8328897 | Air cleaner arrangement; assembly; and, methods | Benny K. Nelson, Gregory Reichter, Paul Wendt | 2012-12-11 |
| 8206479 | Air filter having fluted filter media | Larry R. Nepsund, Bradley Kuempel, Donald F. Engel, Sheldon Anderson, Richard L. Bucholtz +1 more | 2012-06-26 |
| 8062399 | Air filter arrangement; assembly; and, methods | Benny K. Nelson, Gregory Reichter, Paul Wendt | 2011-11-22 |
| 8034145 | Air filter arrangement; assembly; and, methods | Paul Wendt, Gregory Reichter, Stephen Sabelko | 2011-10-11 |
| 8002869 | Air filter having fluted filter media | Larry R. Nepsund, Bradley Kuempel, Donald P. Engel, Sheldon Anderson, Richard L. Bucholtz +1 more | 2011-08-23 |
| 7981183 | Filter arrangements; side-entry housings; and methods | Larry R. Nepsund, Bradley Kuempel, Donald F. Engel, Sheldon Anderson, Richard L. Bucholtz +2 more | 2011-07-19 |
| 7655074 | Filter arrangements; side-entry housings; and methods | Larry R. Nepsund, Bradley Kuempel, Donald F. Engel, Sheldon Anderson, Richard L. Bucholtz +2 more | 2010-02-02 |
| 7635403 | Air filter having fluted filter media | Larry R. Nepsund, Bradley Kuempel, Donald F. Engel, Sheldon Anderson, Richard L. Bucholtz +1 more | 2009-12-22 |
| 7625419 | Air filter arrangement; assembly; and, methods | Benny K. Nelson, Gregory Reichter, Paul Wendt | 2009-12-01 |