Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12409401 | Pleated filtration assembly comprising spunbonded prefilter | Nathan E. Schultz, Seth M. Kirk, Bryan L. Gerhardt, Daniel C. Duan, Michael R. Berrigan | 2025-09-09 |
| 11305224 | Air filter media with post-pleat-deposited sorbent particles | Andrew R. Fox, Mikhail A. Belkin, Bryan L. Gerhardt, Glen O. Gregerson, Gerry A. Hoffdahl +2 more | 2022-04-19 |
| 11298681 | Urea-impregnated zeolite sorbents and method for making the same | Michael S. Wendland, Michael W. Kobe | 2022-04-12 |
| 11278832 | Air filters comprising polymeric sorbents for aldehydes | Michael W. Kobe, Michael S. Wendland | 2022-03-22 |
| 11027231 | Air filter with visual filter life indicator zone and sorbent-loaded visual reference zone | Liang Cheng, Andrew R. Fox, Zhiqun Zhang | 2021-06-08 |
| 10960341 | Air filters comprising polymeric sorbents for aldehydes | Michael S. Wendland, Michael W. Kobe, Andrew R. Fox | 2021-03-30 |
| D835248 | Air purifier | Nicolas A. Echeverri, Alonso M. Hernandez, Aaron P. Thompson, Angela L. Pan, Brian D. Gale +1 more | 2018-12-04 |
| D835249 | Air purifier | Nicolas A. Echeverri, Alonso M. Hernandez, Aaron P. Thompson, Angela L. Pan, Brian D. Gale +1 more | 2018-12-04 |