Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12109520 | Multi-layer, biodegradable composites for air filtration | Michael R. Berrigan, Ignatius A. Kadoma, Bryan L. Gerhardt, Liming Song, John D. Stelter +1 more | 2024-10-08 |
| 12097454 | Air-filter media including a relofted spunbonded web, and methods of making and using | Liang Cheng, Xiaoshuan Fu | 2024-09-24 |
| 12017175 | Pleated air filter with bridging filaments and continuous-contact filaments | Nhat Ha T. Nguyen, Jimmy M. Le, Glen O. Gregerson, Bryan L. Gerhardt, Philip D. Eitzman | 2024-06-25 |
| 11839845 | Air-filter media comprising a relofted spunbonded web, and methods of making and using | Edward Keith Willis, Jacob J. Thelen, Daniel E. Johnson, Bryan L. Gerhardt, Michael R. Berrigan | 2023-12-12 |
| 11027231 | Air filter with visual filter life indicator zone and sorbent-loaded visual reference zone | Liang Cheng, Andrew R. Fox, Himanshu Jasuja | 2021-06-08 |
| 10994235 | Refillable air filter assembly | Andrew R. Fox, Nicolas A. Echeverri, Gary N. Eastlund | 2021-05-04 |
| 10981099 | Expandable air filters | Glen O. Gregerson, Laura C. Chesnut, Danielle M. Schreppel, Stephen M. Sanocki, Craig D. Thompson +1 more | 2021-04-20 |
| 10406472 | Collapsible air filter | Andrew R. Fox, Matthew T. Scholz, Gene B. Portelli, Nicolas A. Echeverri, Amanda B. Dauphinais +3 more | 2019-09-10 |
| 10328371 | Refillable air filter assembly | Andrew R. Fox, Nicolas A. Echeverri, Gary N. Eastlund | 2019-06-25 |
| 10265653 | Filtration medium including polymeric netting of ribbons and strands | Andrew R. Fox, Lori-Ann S. Prioleau, Ronald W. Ausen, William J. Kopecky, Leigh E. Wood +1 more | 2019-04-23 |
| 10165833 | Mechanical fastener, fastening system, and disposable absorbent article | Timothy P. Pariseau, Michael R. Gorman, Shin Katoh, Tadato Oritani, Neelakandan Chandrasekaran | 2019-01-01 |
| 8060633 | Method and apparatus for identifying data content | Huaqiang Hu | 2011-11-15 |
| 7636988 | Methods for making fasteners | Janet A. Venne, Dennis L. Becker, Lori-Ann S. Prioleau | 2009-12-29 |
| 7141098 | Air filtration system using point ionization sources | Robert M. Swinehart | 2006-11-28 |
| 6758884 | Air filtration system using point ionization sources | Robert M. Swinehart | 2004-07-06 |
| D492019 | Air cleaner | Robert M. Swinehart | 2004-06-22 |
| D491655 | Air cleaner | Robert M. Swinehart | 2004-06-15 |
| D484228 | Air cleaner | Robert M. Swinehart | 2003-12-23 |
| 6589317 | Structured surface filtration media array | Tien T. Wu, Yuan-Ming Tang, Brian E. Spiewak | 2003-07-08 |
| 6156086 | Dual media vacuum filter bag | — | 2000-12-05 |
| 6107902 | Circuit breaker with visible trip indicator | Anupam Tiwari, Kevin J. Fuhr, Roger N. Castonguay, Javier Larranaga, Raymond K. Seymour | 2000-08-22 |
| 6104266 | Circuit breaker with trip indication arrangement | Douglas B. Tilghman, Frederic W. Glabau, Raymond K. Seymour, Kevin J. Fuhr, Joseph Criniti | 2000-08-15 |
| 5647881 | Shock resistant high efficiency vacuum cleaner filter bag | John C. Winters | 1997-07-15 |