Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11353897 | Two-stage pressure regulator | Guido Drissen, Yingchun Zhang | 2022-06-07 |
| 9874883 | Diaphragm interface apparatus to improve a cycle life of a diaphragm | Jason D. Clifford, Todd William Larsen | 2018-01-23 |
| 9624947 | Electronic controller with integral vent valve | Eric J. Burgett | 2017-04-18 |
| 9151401 | Fail-safe apparatus for use with fluid valves | Eric J. Burgett | 2015-10-06 |
| 8985137 | Mounting assemblies for use with fluid control devices | Eric J. Burgett, Todd William Larsen | 2015-03-24 |
| 6997440 | Packless valve apparatus | Daryll Duane Patterson | 2006-02-14 |