Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6613133 | Single spray level for flue gas desulfurization system with internal main feed headers | Norman D. Nelson | 2003-09-02 |
| 6494255 | Air heater gas inlet plenum | Paul J. Lieb, Norman D. Nelson | 2002-12-17 |
| 6488899 | Low pressure drop inlet design to promote good gas flow patterns in high velocity absorbers | Wadie F. Gohara, William H. Hall | 2002-12-03 |
| 6405791 | Air heater gas inlet plenum | Paul J. Lieb, Norman D. Nelson | 2002-06-18 |
| 5639359 | Electrostatic precipitator discharge rapper anvil | Robert E. Snyder | 1997-06-17 |
| 5271873 | Support of interspaced, opposed feed headers for FGD systems | Norman D. Nelson | 1993-12-21 |