Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1005469 | Filter | John E. Simms | 2023-11-21 |
| D1004092 | Filter | John E. Simms | 2023-11-07 |
| D946733 | Filter frame | John E. Simms | 2022-03-22 |
| 11117079 | Filter packs, processes for making filter packs, and air filters comprising filter packs | John E. Simms, Rodney K. Michels | 2021-09-14 |
| D852345 | Filter | John E. Simms | 2019-06-25 |
| D849913 | Filter | John E. Simms | 2019-05-28 |
| D831812 | Filter | John E. Simms | 2018-10-23 |
| D829875 | Filter | John E. Simms | 2018-10-02 |
| D827118 | Filter | John E. Simms | 2018-08-28 |
| 7175761 | Fluid filter assembly | Kris Stanhope, Ronald L. Kinkade, Larry Dean Michels, John W. Stockhowe | 2007-02-13 |
| 5125940 | In-line air filter apparatus | Paul Simms | 1992-06-30 |