Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8383073 | Method and apparatus for controlling acid gas emissions from cement plants | — | 2013-02-26 |
| 8133303 | Apparatus and method for controlling mercury pollution from a cement plant | Ronald L. Hawks | 2012-03-13 |
| 8003057 | Method and apparatus for controlling acid gas emissions from cement plants | — | 2011-08-23 |
| 7862332 | Apparatus for controlling pollution from a cement plant | Ronald L. Hawks | 2011-01-04 |
| 7279039 | Method and apparatus for controlling pollution from a cement plant | Ronald L. Hawks | 2007-10-09 |
| 6953495 | Low-energy venturi pre-scrubber for an air pollution control system and method | — | 2005-10-11 |
| 6749820 | Chloride/sulfate removal system | Ronald L. Hawks | 2004-06-15 |
| 6719829 | Venturi and methods for particulate removal with counterflow sprays | — | 2004-04-13 |
| 6464952 | Sulfur dioxide abatement method | — | 2002-10-15 |
| 6383260 | Venturi scrubber with optimized counterflow spray | — | 2002-05-07 |
| 6328790 | Tapered gas inlet for gas treatment system | — | 2001-12-11 |
| 6142388 | Atomizing nozzle | — | 2000-11-07 |
| 6060030 | Detached plume abatement method | Ronald L. Hawks | 2000-05-09 |
| 5922103 | Automatic gas conditioning method | Joseph R. Riley | 1999-07-13 |
| 5848750 | Atomizing nozzle | — | 1998-12-15 |
| 5785012 | Acoustically enhanced combustion method and apparatus | Jim Parsons, Marlin H. Anderson | 1998-07-28 |
| 5759233 | Venturi scrubber and method of using the same | — | 1998-06-02 |
| 5512085 | Venturi scrubber and method with optimized remote spray | — | 1996-04-30 |
| 5484471 | Venturi scrubber and method of using the same | — | 1996-01-16 |
| 5279646 | Venturi scrubber and process | — | 1994-01-18 |
| D317727 | Acoustic horn | — | 1991-06-25 |
| D291663 | Acoustic horn | James D. Parsons | 1987-09-01 |
| 4449159 | Focusing electrodes for high-intensity ionizer stage of electrostatic precipitator | Owen J. Tassicker | 1984-05-15 |
| 4194888 | Electrostatic precipitator | Jacob Cooper | 1980-03-25 |