Issued Patents 2023
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11707892 | Filtration media packs produced using additive manufacturing | Darrell Lee Morehouse, III, Philip Carl Spengler | 2023-07-25 |
| 11691096 | Filter pulsation dampening device | Jeffrey R. Ries, Jon T. Immel | 2023-07-04 |
| 11547964 | Actuated air filter dust valve | Philip Carl Spengler, Jeffrey R. Ries, Jon T. Immel | 2023-01-10 |