Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10167982 | Stacked duct assemblies | Dennis W. Johnson, Fred Smith, Kim Jackson, Brad Smoak | 2019-01-01 |
| 9919266 | Systems and methods for treatment of flue gas | Dennis W. Johnson | 2018-03-20 |
| 9709271 | Thermally controlled combustion system | Dennis W. Johnson, Bo Oscarsson, Jon Peeples, Dennis Malone, Randy Grantz | 2017-07-18 |
| 9702494 | Duct assemblies with internally bolted expansion joint | Dennis W. Johnson, Fred Smith, Kim Jackson, Bradley D. Smoak | 2017-07-11 |
| 9492786 | Multi-purpose absorber | Dennis W. Johnson | 2016-11-15 |
| 9108123 | Steam efficiency with non depletive condensing and adiabatic solvent heating | Dennis W. Johnson, Jon Peeples | 2015-08-18 |
| 8591844 | Start up catalyst heating | Dennis W. Johnson, Jon Peeples | 2013-11-26 |