Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7842264 | Process and apparatus for carbon capture and elimination of multi-pollutants in flue gas from hydrocarbon fuel sources and recovery of multiple by-products | Robert E. Tang, Donald E. Degling, Thomas K. Ewan, Sam M. Ewan | 2010-11-30 |
| 7220395 | Methods for the production of ammonia from urea and/or biuret, and uses for NOx and/or particulate matter removal | Herbert W. Spencer, III | 2007-05-22 |
| 6730280 | Methods for the production of ammonia from urea and/or biuret, and uses for NOx and/or particulate matter removal | Herbert W. Spencer, III | 2004-05-04 |
| 6506350 | Method using on site generated ammonia to reduce particulates in combustion gas streams | Herbert W. Spencer, III | 2003-01-14 |
| 6322762 | Method using on site generated ammonia to reduce particulates | Herbert W. Spencer, III | 2001-11-27 |
| 6077491 | Methods for the production of ammonia from urea and/or biuret, and uses for NO.sub.x and/or particulate matter removal | Herbert W. Spencer, III | 2000-06-20 |
| 4426364 | Removal and recovery of nitrogen oxides and sulfur dioxide from gaseous mixtures containing them | — | 1984-01-17 |
| 4425313 | Removal and recovery of nitrogen and sulfur oxides from gaseous mixtures containing them | — | 1984-01-10 |