Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8871005 | Methods of regenerating desiccant in a breathing apparatus | — | 2014-10-28 |
| 8839658 | Combination of hydrogen and pressure sensors | David Billings | 2014-09-23 |
| 8707767 | Combined hydrogen and pressure sensor assembly | David Billings | 2014-04-29 |
| 8511160 | Combined hydrogen and pressure sensor assembly | David Billings | 2013-08-20 |
| 8028561 | Hydrogen sensor with air access | Wendy Dannels, Robert E. Taylor, Steven E. Mulvaney | 2011-10-04 |
| 7210497 | Pressure relief device with increased flow rate | — | 2007-05-01 |
| 7111637 | Enclosure system for pressure relief device | — | 2006-09-26 |
| 6497248 | Pressure relief device with one piece gasket | — | 2002-12-24 |
| 5937893 | Shield for pressure relief device | — | 1999-08-17 |