Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11585018 | Fibrous webs having isotropic structure and apparatus and method for making same | — | 2023-02-21 |
| 10571137 | Filtration materials using fiber blends that contain strategically shaped fibers and/or charge control agents | — | 2020-02-25 |
| 9909767 | Filtration materials using fiber blends that contain strategically shaped fibers and/or charge control agents | — | 2018-03-06 |
| 9618220 | Filtration materials using fiber blends that contain strategically shaped fibers and/or charge control agents | — | 2017-04-11 |
| 9074301 | Filtration materials using fiber blends that contain strategically shaped fibers and/or charge control agents | — | 2015-07-07 |
| 6514324 | High efficiency active electrostatic air filter and method of manufacture | — | 2003-02-04 |
| 6322615 | High efficiency permanent air filter and method of manufacture | — | 2001-11-27 |
| 6056809 | High efficiency permanent air filter and method of manufacture | — | 2000-05-02 |
| 5900305 | Laminated high efficiency filter | — | 1999-05-04 |
| 5837022 | High efficiency air filter system | — | 1998-11-17 |
| 5419953 | Multilayer composite air filtration media | — | 1995-05-30 |