Issued Patents 2021
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11192055 | Interlock for genuine filter recognition | Sonal Laxman Chirme, Erica C. Clark-Heinrich, Matthew Louison, Ken Tofsland, Mark V. Holzmann +1 more | 2021-12-07 |
| 11167234 | Interlocked stable filter assembly | Mark V. Holzmann, Gregory K. Loken, Jessie A. Knight, Dane P. Miller | 2021-11-09 |
| 11141687 | Filter with interlocking housing interface | Jessie A. Knight, Scott G. Manke, Dane P. Miller, Jason A. Scherck, Robert A. Bannister +1 more | 2021-10-12 |
| 11040302 | Folded filter media pack with varying channels and deep corrugations | — | 2021-06-22 |