Issued Patents 2021
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |