Issued Patents 2011
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |