Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11927163 | Filter element with air-bleed conduit | Willie L. Stamey, Jr., Mark A. Roll | 2024-03-12 |
| 11759735 | Filter element with air-bleed conduit | Willie L. Stamey, Jr., Mark A. Roll | 2023-09-19 |
| 11400396 | Filter element with air-bleed conduit | Willie L. Stamey, Jr., Mark A. Roll | 2022-08-02 |
| 11318398 | Coalescing filter element | Willie L. Stamey, Jr., Mark A. Roll | 2022-05-03 |
| 11035330 | Filter element with air-bleed conduit | Willie L. Stamey, Jr., Mark A. Roll | 2021-06-15 |
| 10807026 | Filter element with air-bleed conduit | Willie L. Stamey, Jr., Mark A. Roll | 2020-10-20 |
| 10625184 | Coalescing filter element | Willie L. Stamey, Jr., Mark A. Roll | 2020-04-21 |
| 7083514 | Air-filtration system for vehicle operator | Willie L. Stamey, Jr., Jim Strasser | 2006-08-01 |
| 6911141 | Low waste liquid filter | Willie L. Stamey, Jr. | 2005-06-28 |
| 6800194 | Low waste liquid filter | Willie L. Stamey, Jr. | 2004-10-05 |
| 6761822 | Dual filter with flow mixer and centrifugal separator | Mark A. Roll, Willie L. Stamey, Jr., Johnny H. Wong | 2004-07-13 |
| 6423225 | Liquid filter with centrifugal separator | Johnny H. Wong, Willie L. Stamey, Jr. | 2002-07-23 |
| 6423222 | Ergonomically configured can for filter cartridges and wrench for use therewith | Terrance Allen Shively, Willie L. Stamey, Jr. | 2002-07-23 |
| 6350379 | Dual filter with flow mixer | Mark A. Roll, Willie L. Stamey, Jr. | 2002-02-26 |
| 6336946 | Shift pleat air filter | Michael David Adams, David William Ager | 2002-01-08 |
| 5853445 | Interlocking dual filter | Johnny H. Wong, Demetrios A. Tsengouras | 1998-12-29 |
| 5817232 | Rebuildable spin-on filters | Mark A. Roll | 1998-10-06 |
| 5795361 | Filter configuration | Roland Vann Lanier, Jr. | 1998-08-18 |