Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9348339 | Method and apparatus for multiple-channel pulse gas delivery system | Junhua Ding, Scott Benedict | 2016-05-24 |
| 9133960 | Fluid control valves | Paul D. Lucas, Gordon Hill | 2015-09-15 |
| 8763987 | Butterfly valve and system employing same and method for using same field | David Brian Chamberlain, Robert Krmpotich, Paul D. Lucas | 2014-07-01 |
| 7278444 | Valve assembly having improved pump-down performance | Paul D. Lucas | 2007-10-09 |