Issued Patents All Time
Showing 26–40 of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D666704 | Filter cartridge | Richard Osendorf, Dolan Bartels, Andrew Albitz | 2012-09-04 |
| 8206479 | Air filter having fluted filter media | Larry R. Nepsund, Donald F. Engel, Bruce Allen Boehrs, Sheldon Anderson, Richard L. Bucholtz +1 more | 2012-06-26 |
| D646368 | Filter cartridge | Richard Osendorf, Dolan Bartels, Andrew Albitz | 2011-10-04 |
| 8012233 | Filter cartridge for air cleaner | Richard Osendorf | 2011-09-06 |
| 8002869 | Air filter having fluted filter media | Larry R. Nepsund, Donald P. Engel, Bruce Allen Boehrs, Sheldon Anderson, Richard L. Bucholtz +1 more | 2011-08-23 |
| 7981183 | Filter arrangements; side-entry housings; and methods | Larry R. Nepsund, Donald F. Engel, Bruce Allen Boehrs, Sheldon Anderson, Richard L. Bucholtz +2 more | 2011-07-19 |
| 7972404 | Air cleaner arrangements; components thereof; and, methods | Richard Osendorf, Dan Adamek, Wayne R. W. Bishop, Nels Nordstrom, John Pooler +1 more | 2011-07-05 |
| 7736410 | Air cleaner configured for receipt of various sized filter cartridges; components thereof; and, methods | Richard Osendorf | 2010-06-15 |
| 7713321 | Air cleaner arrangements; components thereof; and, methods | Richard Osendorf | 2010-05-11 |
| 7708797 | Air cleaner configured for receipt of various sized filter cartridges; components thereof; and, methods | Richard Osendorf | 2010-05-04 |
| 7655074 | Filter arrangements; side-entry housings; and methods | Larry R. Nepsund, Donald F. Engel, Bruce Allen Boehrs, Sheldon Anderson, Richard L. Bucholtz +2 more | 2010-02-02 |
| 7635403 | Air filter having fluted filter media | Larry R. Nepsund, Donald F. Engel, Bruce Allen Boehrs, Sheldon Anderson, Richard L. Bucholtz +1 more | 2009-12-22 |
| 7396375 | Air filter having fluted filter media | Larry R. Nepsund, Donald F. Engel, Bruce Allen Boehrs, Sheldon Anderson, Richard L. Bucholtz +1 more | 2008-07-08 |
| D520619 | Air cleaner for engine | Jordan Flagstad, Sheldon Anderson, Gary Hewitt, Marty Barris | 2006-05-09 |
| D484584 | Filter element for engine | Ross Norman Anderson | 2003-12-30 |