Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11273333 | Respirator with phase change material | Alyssa Whitney Sabolis, Michael Parham, Ethan David Voss, Antti SEPPÄLÄ, Gareth Roberts +3 more | 2022-03-15 |
| 11273334 | Respirator mask with voice transmittal feature | Darin K. Thompson, Edward Powers Simmonds, Graham Peter Wilson, Carl Estcourt Tucker | 2022-03-15 |
| 10918894 | Face seal for respirator mask | Darin K. Thompson, Edward Powers Simmonds, Graham Peter Wilson, Carl Escort Tucker, Christopher L. Ward +1 more | 2021-02-16 |
| 10744352 | Half facepiece | Carl Estcourt Tucker, John Slemmen, Gareth Dyfan Evans, Garath Tudor Roberts, Chris Ward +5 more | 2020-08-18 |
| 10576407 | Method and apparatus for integrating chemical and environmental sensors into an air purification filter through a reusable sensor post | Frank Ding, Michael Parham | 2020-03-03 |
| 10556136 | Half facepiece | Antti SEPPÄLÄ, Robert Charles Sutton, Michael Parham | 2020-02-11 |
| 9504859 | Method and apparatus for integrating chemical and environmental sensors into an air purification filter through a reusable sensor port | Frank Ding, Michael Parham | 2016-11-29 |
| 9095838 | Adsorbent for removal of ammonia from air streams | Brandon Walker, Olga Koper, Slawomir Winecki, Christopher L. Aikens, Maciej Stanislaw Matyjaszczyk +1 more | 2015-08-04 |
| 9039817 | Multilayered mixed bed filter for the removal of toxic gases from air streams and methods thereof | Christopher L. Aikens, Olga Koper, Slawomir Winecki, Maciej Stanislaw Matyjaszczyk, Martin Keller | 2015-05-26 |