Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12268907 | Modular, integrated powered air purifying respirator system | Brian Curlee | 2025-04-08 |
| 11883693 | Modular, integrated powered air purifying respirator system | Brian Curlee | 2024-01-30 |
| RE46888 | Integrated belt and plenum powered air purifying respirator | James D. Wilcox | 2018-06-12 |
| 8667959 | Modular powered air purifying respirator | James D. Wilcox, John Patrick Fick | 2014-03-11 |
| 8607784 | Integrated belt and plenum powered air purifying respirator | James D. Wilcox | 2013-12-17 |
| 8069853 | Breath responsive powered air-purifying respirator | — | 2011-12-06 |
| 7833306 | Method for manufacturing filter canisters and tracking quality assurance | Peter J. Cooper, Stephen Kubicsko | 2010-11-16 |
| 7520910 | Modular air purification unit | — | 2009-04-21 |
| 7320205 | Method for manufacturing filter canisters and tracking quality assurance | Peter J. Cooper, Stephen Kubicsko | 2008-01-22 |