Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11344752 | System and method for monitoring a service life of a filter with a respirator filter sampling port assembly | Robert Charles Sutton, Frank Ding | 2022-05-31 |
| 11273333 | Respirator with phase change material | Alyssa Whitney Sabolis, Amy Elizabeth Quiring, Ethan David Voss, Antti SEPPÄLÄ, Gareth Roberts +3 more | 2022-03-15 |
| 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, Amy Elizabeth Quiring | 2020-03-03 |
| 10556136 | Half facepiece | Antti SEPPÄLÄ, Robert Charles Sutton, Amy Elizabeth Quiring | 2020-02-11 |
| 10537755 | Heat deformable material for face seal | Ethan David Voss, Alyssa Whitney Sabolis | 2020-01-21 |
| 9504859 | Method and apparatus for integrating chemical and environmental sensors into an air purification filter through a reusable sensor port | Frank Ding, Amy Elizabeth Quiring | 2016-11-29 |
| 8979985 | Conformal split planar flow air purifying filter | Frank Ding, Edward Powers Simmonds | 2015-03-17 |
| 8402966 | Air purifying respirator having inhalation and exhalation ducts to reduce rate of pathogen transmission | Judge W. Morgan, III, Amy Elizabeth Staubs, Sioned Owens, Sean Austerbery, Gareth Roberts +1 more | 2013-03-26 |
| 8328903 | Determining effluent concentration profiles and service lives of air purifying respirator cartridges | Amy Elizabeth Staubs, Yuqing Ding | 2012-12-11 |
| 7860662 | Systems and methods for determining filter service lives | Yuquing Ding | 2010-12-28 |