Issued Patents All Time
Showing 25 most recent of 60 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12259160 | Powered room air purifier with easy-loading air filter | Brian D. Gale, Alonso M. Hernandez, Nicolas W. Tremain | 2025-03-25 |
| 12226726 | Conformable pleated air filter with bridging filaments | Changwen Li, Bryan L. Gerhardt | 2025-02-18 |
| 12098856 | Powered room air purifier with air-quality visual indicator | Brian D. Gale, Alonso M. Hernandez, Gregory G. Jager, Abby R. Lemon, Nicolas W. Tremain | 2024-09-24 |
| 11642617 | Uniformly expandable air filter | Glen O. Gregerson, Bryan L. Gerhardt | 2023-05-09 |
| 11529580 | Systems and methods for predicting HVAC filter change | Eric C. Lobner, Theresa M. Meyer, Brian J. Stankiewicz | 2022-12-20 |
| 11305224 | Air filter media with post-pleat-deposited sorbent particles | Himanshu Jasuja, Mikhail A. Belkin, Bryan L. Gerhardt, Glen O. Gregerson, Gerry A. Hoffdahl +2 more | 2022-04-19 |
| 11241646 | Systems and methods for predicting HVAC filter change | Eric C. Lobner, Theresa M. Meyer, Brian J. Stankiewicz | 2022-02-08 |
| 11213780 | Air filter with passivated filter life indicator | Liang Cheng | 2022-01-04 |
| 11192059 | Uniformly expandable air filter | Glen O. Gregerson, Bryan L. Gerhardt | 2021-12-07 |
| 11179665 | Nestable framed pleated air filter and method of making | Jonathan M. Lise, John J. Rogers, Stephen M. Sanocki, Kannan Seshadri | 2021-11-23 |
| 11168907 | Room air purifier with RFID reader | Liang Cheng, Weilai Jiang, Yinghua Yang, Zhijun Yang, Jie Zhou +6 more | 2021-11-09 |
| 11060758 | Air conditioner filter and method of manufacture | Liang Cheng | 2021-07-13 |
| 11040301 | Systems and methods for predicting HVAC filter change | Eric C. Lobner, Theresa M. Meyer, Brian J. Stankiewicz | 2021-06-22 |
| 11027231 | Air filter with visual filter life indicator zone and sorbent-loaded visual reference zone | Liang Cheng, Himanshu Jasuja, Zhiqun Zhang | 2021-06-08 |
| 10994235 | Refillable air filter assembly | Zhiqun Zhang, Nicolas A. Echeverri, Gary N. Eastlund | 2021-05-04 |
| 10960341 | Air filters comprising polymeric sorbents for aldehydes | Michael S. Wendland, Michael W. Kobe, Himanshu Jasuja | 2021-03-30 |
| 10955150 | Room air purifier with RFID reader | Liang Cheng, Weilai Jiang, Yinghua Yang, Zhijun Yang, Jie Zhou +6 more | 2021-03-23 |
| 10773200 | Systems and methods for predicting HVAC filter change | Eric C. Lobner, Theresa M. Meyer, Brian J. Stankiewicz | 2020-09-15 |
| D893695 | Filter frame | Brian D. Gale | 2020-08-18 |
| 10610818 | Systems and methods for predicting HVAC filter change | Eric C. Lobner, Theresa M. Meyer, Brian J. Stankiewicz | 2020-04-07 |
| 10575571 | Flat-fold respirator with monocomponent filtration/stiffening monolayer | Seyed A. Angadjivand, James E. Springett, John M. Brandner, Marvin E. Jones, Michael R. Berrigan +1 more | 2020-03-03 |
| 10406472 | Collapsible air filter | Zhiqun Zhang, Matthew T. Scholz, Gene B. Portelli, Nicolas A. Echeverri, Amanda B. Dauphinais +3 more | 2019-09-10 |
| 10328378 | Nestable framed pleated air filter and method of making | Jonathan M. Lise, John J. Rogers, Stephen M. Sanocki, Kannan Seshadri | 2019-06-25 |
| 10328371 | Refillable air filter assembly | Zhiqun Zhang, Nicolas A. Echeverri, Gary N. Eastlund | 2019-06-25 |
| 10286349 | Air filter use indicators | Glen O. Gregerson, Nicolas A. Echeverri | 2019-05-14 |