Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12233367 | Filter media, elements, and methods | Richard Dejong, Gregory S. Tronnes, Jason A. Tiffany, Giancarlo M. Izzi | 2025-02-25 |
| 12023613 | Filter media and elements | Gregory S. Tronnes, Rakesh Yadav, Michael A. Madden | 2024-07-02 |
| 11845027 | Filter media, elements, and methods | Richard Dejong, Gregory S. Tronnes, Jason A. Tiffany, Giancarlo M. Izzi | 2023-12-19 |
| 11328574 | Alarm and notification generation devices, methods, and systems | Weilin Zhang, Peng Hui Jiang, ZhenJun Mei, Dapeng Li | 2022-05-10 |
| 11253802 | Filter media and elements | Gregory S. Tronnes, Rakesh Yadav, Michael A. Madden | 2022-02-22 |
| 11207624 | High performance media for filtration and others applications | — | 2021-12-28 |
| 11161070 | Filter media, elements, and methods | Richard Dejong, Gregory S. Tronnes, Jason A. Tiffany, Giancarlo M. Izzi | 2021-11-02 |
| 10357730 | Filter media and elements | Gregory S. Tronnes, Rakesh Yadav, Michael A. Madden | 2019-07-23 |
| 9474994 | Filter media and elements | Gregory S. Tronnes, Rakesh Yadav, Michael A. Madden | 2016-10-25 |
| 6919105 | Continuous process for retaining solid adsorbent particles on shaped micro-cavity fibers | Lixin Xue, Kent B. Koller | 2005-07-19 |
| 6913784 | Continuous process for impregnating solid adsorbent particles into shaped micro-cavity fibers and fiber filters | Lixin Xue, Kent B. Koller, Tim Sherwood, Charles Thomas, George R. Scott +1 more | 2005-07-05 |
| 6907885 | High efficiency cigarette filters having shaped micro cavity fibers impregnated with adsorbent or absorbent materials | Lixin Xue, Kent B. Koller | 2005-06-21 |
| 6779528 | High surface area micro-porous fibers from polymer solutions | Lixin Xue, Kent B. Koller | 2004-08-24 |
| 6584979 | High efficiency cigarette filters having shaped microcavity fibers impregnated with adsorbent or absorbent materials | Lixin Xue, Kent B. Koller | 2003-07-01 |