Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9919254 | Filter arrangements; components; assemblies; and, methods | Steven K. Campbell, Steven Scott Gieseke | 2018-03-20 |
| 9914084 | Filter arrangements; components; assemblies; and methods | Steven K. Campbell, Steven Scott Gieseke | 2018-03-13 |
| 9089804 | Filter arrangements; components; assemblies; and, methods | Steven K. Campbell, Steven Scott Gieseke | 2015-07-28 |
| 8361181 | Air cleaner assemblies; filter cartridges therefor; features; and, methods | Richard Osendorf, Dolan Bartels, Bradley Keumpel | 2013-01-29 |
| D666704 | Filter cartridge | Richard Osendorf, Dolan Bartels, Bradley Kuempel | 2012-09-04 |
| D646368 | Filter cartridge | Richard Osendorf, Dolan Bartels, Bradley Kuempel | 2011-10-04 |
| 6099606 | Air filtration arrangements having spacer constructions | Thomas Miller, Dolan Bartels, Bruce Crenshaw | 2000-08-08 |
| D422071 | Inside surface of a filter element having spacer construction | Thomas Miller, Dolan Bartels, Bruce Crenshaw | 2000-03-28 |