Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12070632 | Method of controlling a powered air purifying respirator | Douglas D. Jensen, Keith K. Mclaughlin, Andrew Murphy | 2024-08-27 |
| 12017098 | Method of controlling a powered air purifying respirator | Keith K. Mclaughlin, Douglas D. Jensen, Andrew Murphy | 2024-06-25 |
| 11666785 | Method of controlling a powered air purifying respirator | Keith K. Mclaughlin, Douglas D. Jensen, Andrew Murphy | 2023-06-06 |
| 11413479 | Method of controlling a powered air purifying respirator | Douglas D. Jensen, Keith K. Mclaughlin, Andrew Murphy | 2022-08-16 |
| 11278749 | Method of controlling a powered air purifying respirator | Keith K. Mclaughlin, Douglas D. Jensen, Andrew Murphy | 2022-03-22 |
| 9848667 | Lens seal for headgear | Thomas J. Brace, Alan J. Solyntjes, Steven W. Stavos | 2017-12-26 |
| D703806 | Respirator belt having bumper cushion | Jia Hu, Nathan A. Abel, Thomas G. Skulley, James M. Ulwelling | 2014-04-29 |
| D690414 | Powered air purifying respirator (PAPR) having control panel | Nathan A. Abel, David M. Blomberg, James E. Steffen | 2013-09-24 |
| D683845 | Respirator belt | Nathan A. Abel, Jia Hu, Thomas G. Skulley, James M. Ulwelling | 2013-06-04 |
| D683013 | Respirator belt having flexible air channels | Kenneth J. Krepel, Nathan A. Abel, Jia Hu, James M. Ulwelling | 2013-05-21 |
| D590548 | Breathing tube connection for respiratory protection system | Benjamin A. Johnson, Bruce E. Nelson, Steven W. Stavos, James M. Ulwelling | 2009-04-14 |