Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8949037 | Method and system for detecting and monitoring emissions | TERRY DAN BUTLER | 2015-02-03 |
| 8510059 | Method and system for measuring emission and quantifying emission source | — | 2013-08-13 |
| 7934412 | Innovative gas monitoring with spacial and temporal analysis | — | 2011-05-03 |
| 7743643 | Innovative gas monitoring with spacial and temporal analysis | — | 2010-06-29 |
| 7523638 | Innovative gas monitoring with spacial and temporal analysis | — | 2009-04-28 |
| 5902488 | Slow sand filter | — | 1999-05-11 |
| 4549710 | Supporting assembly | Eric Douglas | 1985-10-29 |