Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12263433 | Framed air filter with stabilizing flap | Fiona E. Menken, Kimberly W. Gerwig, David W. Ziemann | 2025-04-01 |
| 12053733 | Pleated air filter with reinforcing filaments comprising locally-thinned bending zones | Jonathan M. Lise, Dennis M. Glass, Brenda K. Balderas | 2024-08-06 |
| 12017175 | Pleated air filter with bridging filaments and continuous-contact filaments | Zhiqun Zhang, Nhat Ha T. Nguyen, Jimmy M. Le, Bryan L. Gerhardt, Philip D. Eitzman | 2024-06-25 |
| D998126 | Air filter | Jonathan M. Lise | 2023-09-05 |
| 11697088 | Channel-framed, pleated air filter with bridging filaments | Jonathan M. Lise | 2023-07-11 |
| 11642617 | Uniformly expandable air filter | Andrew R. Fox, Bryan L. Gerhardt | 2023-05-09 |
| D972698 | Air filter | Jonathan M. Lise | 2022-12-13 |
| 11305224 | Air filter media with post-pleat-deposited sorbent particles | Andrew R. Fox, Himanshu Jasuja, Mikhail A. Belkin, Bryan L. Gerhardt, Gerry A. Hoffdahl +2 more | 2022-04-19 |
| 11253807 | Channel-framed, pleated air filter with bridging filaments | Jonathan M. Lise | 2022-02-22 |
| 11192059 | Uniformly expandable air filter | Andrew R. Fox, Bryan L. Gerhardt | 2021-12-07 |
| 10981099 | Expandable air filters | Laura C. Chesnut, Danielle M. Schreppel, Stephen M. Sanocki, Zhiqun Zhang, Craig D. Thompson +1 more | 2021-04-20 |
| 10940416 | Air filter devices with gap sealing unit | Thomas J. Herbrand, David J. Prince, Danielle M. Schreppel, Craig D. Thompson, Judd D. Olson | 2021-03-09 |
| 10921020 | Air filter comprising frame with bowed inner edge | Jonathan M. Lise, Kimberly W. Menzenski, David W. Ziemann | 2021-02-16 |
| 10744441 | Air filter with spiral-wrapped frame | — | 2020-08-18 |
| D875909 | Air filter | Jonathan M. Lise | 2020-02-18 |
| D859184 | Filter-borne sensor housing | Michael A. Meis | 2019-09-10 |
| 10286349 | Air filter use indicators | Andrew R. Fox, Nicolas A. Echeverri | 2019-05-14 |
| D831182 | Air filter | Jonathan M. Lise | 2018-10-16 |
| D732153 | Air filter | Stephen M. Sanocki, Christopher K. Enstrom, Daniel E. Johnson, Andrew R. Fox | 2015-06-16 |
| D725390 | Sheet material | Stephen M. Sanocki, Christopher K. Enstrom, Daniel E. Johnson, Andrew R. Fox | 2015-03-31 |