Issued Patents All Time
Showing 1–25 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7294322 | Collection scoop for flue gas desulfurization systems with bleed streams or ex situ forced oxidation | Dennis W. Johnson, David Murphy | 2007-11-13 |
| 6926870 | Collection scoop for flue gas desulfurization systems with bleed streams or ex situ forced oxidation | Dennis W. Johnson, David Murphy | 2005-08-09 |
| 6726748 | Method of converting a downflow/upflow wet flue gas desulfurization (WFGD) system to an upflow single-loop WFGD system | RONALD LANE GOODE, II, Dennis W. Johnson, David Murphy, John F. Sulek, David R. Burley +1 more | 2004-04-27 |
| 6695018 | Collection scoop for flue gas desulfurization systems with bleed streams or ex situ forced oxidation | Dennis W. Johnson, David Murphy | 2004-02-24 |
| 6273940 | Mist elimination/air toxic control in a wet scrubber using a condensing heat exchanger | Gregory T. Bielawski, Pervaje A. Bhat, Dennis W. Johnson | 2001-08-14 |
| 5846301 | Fine-particulate and aerosol removal technique in a condensing heat exchanger using an electrostatic system enhancement | Dennis W. Johnson, Karl H. Schulze, Ralph T. Bailey | 1998-12-08 |
| 5826518 | High velocity integrated flue gas treatment scrubbing system | Pervaje A. Bhat, Dennis W. Johnson | 1998-10-27 |
| 5792238 | Fine-particulate and aerosol removal technique in a condensing heat exchanger using an electrostatic system enhancement | Dennis W. Johnson, Karl H. Schulze, Ralph T. Bailey | 1998-08-11 |
| 5791404 | Flooding reduction on a tubular heat exchanger | Ralph T. Bailey, Karl H. Schulze, Dennis W. Johnson | 1998-08-11 |
| 5787821 | High velocity integrated flue gas treatment scrubbing system | Pervaje A. Bhat, Dennis W. Johnson | 1998-08-04 |
| 5707426 | Key advanced linear kinetic absorber method using a particulate arresting device | Daniel S. Kalka, Dennis W. Johnson, Pervaje A. Bhat | 1998-01-13 |
| 5676715 | Key advanced linear kinetic absorber system particulate arresting device | Daniel S. Kalka, Dennis W. Johnson, Pervaje A. Bhat | 1997-10-14 |
| 5651948 | Low pressure drop, turbulent mixing zone dry scrubber | Dennis W. Johnson | 1997-07-29 |
| 5639430 | Low pressure drop, turbulent mixing zone dry scrubber | Dennis W. Johnson | 1997-06-17 |
| 5603909 | Selective catalytic reduction reactor integrated with condensing heat exchanger for multiple pollutant capture/removal | Michael G. Varner, Dennis W. Johnson | 1997-02-18 |
| 5599508 | Flue gas conditioning for the removal of acid gases, air toxics and trace metals | Robert Alan Martinelli, Dennis W. Johnson, Fred Owens, Peter V. Smith | 1997-02-04 |
| 5599382 | Enhanced heat exchanger flue gas treatment using steam injection | Gregory T. Bielawski, Dennis W. Johnson | 1997-02-04 |
| 5571483 | System of converting environmentally pollutant waste gases to a useful product | Hans Pfingstl, Walter Martyniuk, Armand Ladage, Tom McNally, Ludwig Eberle | 1996-11-05 |
| 5567215 | Enhanced heat exchanger flue gas treatment using steam injection | Gregory T. Bielawski, Dennis W. Johnson | 1996-10-22 |
| 5553782 | Expandable diaphragm for scrubber atomizer caps | Morten Licht, George B. Watson, Dennis W. Johnson | 1996-09-10 |
| 5542609 | Extended wear life low pressure drop right angle single exit orifice dual-fluid atomizer with replaceable wear materials | Ralph T. Bailey, David R. Burley, Steve Feeney, Barbara J. Gray, Dennis W. Johnson | 1996-08-06 |
| 5527496 | Spray header integrated tray | Kevin J. Rogers, Wadie F. Gohara | 1996-06-18 |
| 5516046 | Extended wear life low pressure drop right angle multi-exit orifice dual-fluid atomizer with replaceable wear materials | John Ronald Cline, Ralph T. Bailey, Bradley Kissel, Randy J. Reynolds | 1996-05-14 |
| 5439658 | Regenerable magnesium dry scrubbing | Dennis W. Johnson, Gerald T. Amrhein, Peter VanSmith, William Downs | 1995-08-08 |
| 5354364 | High efficiency advanced dry scrubber | Dennis W. Johnson, George B. Watson | 1994-10-11 |