Issued Patents All Time
Showing 25 most recent of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12181779 | Camera retractor mechanism | Michael J. Kranda, Clay J Hammond | 2024-12-31 |
| 12044257 | Apparatus and method of fluid powered linear actuators with adjustable stops | Michael J. Kranda | 2024-07-23 |
| 11976816 | Method and apparatus for improved operation of chemical recovery boilers | Eugene Sullivan | 2024-05-07 |
| 11015800 | Solid fuel burning-furnace having a vertically mounted cylindrical combustion chamber | Eugene Sullivan | 2021-05-25 |
| 10627105 | Method and apparatus for improved firing of biomass and other solid fuels for steam production and gasification | Eugene Sullivan | 2020-04-21 |
| 10215398 | Solid fuel burning-furnace having a vertically mounted cylindrical combustion chamber | Eugene Sullivan | 2019-02-26 |
| 9964303 | Combustion boiler with pre-drying fuel chute | Eugene Sullivan | 2018-05-08 |
| 9581325 | Method and apparatus for improved firing of biomass and other solid fuels for steam production and gasification | Eugene Sullivan | 2017-02-28 |
| 9581326 | Power boiler having vertically mounted cylindrical combustion chamber | Eugene Sullivan | 2017-02-28 |
| 9140446 | Method and apparatus for improved firing of biomass and other solid fuels for steam production and gasification | Eugene Sullivan | 2015-09-22 |
| 8707876 | Stepped floor for solid fuel boilers | Eugene Sullivan | 2014-04-29 |
| D698945 | Tile for a solid fuel boiler | Eugene Sullivan | 2014-02-04 |
| 8590463 | Method and apparatus for drying solid fuels | Eugene Sullivan | 2013-11-26 |
| 8424150 | Rod scraper | Michael J. Kranda | 2013-04-23 |
| D674919 | Stepped tile floor for a solid fuel boiler | Michael J. Kranda | 2013-01-22 |
| RE43733 | Method and apparatus for improving boiler combustion | Eugene Sullivan | 2012-10-16 |
| 8276528 | Pneumatic fuel distributor for solid fuel boilers | Eugene Sullivan | 2012-10-02 |
| 7926747 | Variable orifice black liquor nozzle | Mohomed I. Jameel | 2011-04-19 |
| D616473 | Rod scraper | Michael J. Kranda | 2010-05-25 |
| 7185594 | Method and apparatus for improving combustion in recovery boilers | Eugene Sullivan | 2007-03-06 |
| 6497230 | Air port damper | Eugene Sullivan, Robert B. Hill | 2002-12-24 |
| 5542650 | Apparatus for automatically cleaning smelt spouts of a chemical recovery furnace | Clayton J. Abel, Greg Watson, Robert B. Hill | 1996-08-06 |
| 5414887 | Apparatus for cleaning air ports of a chemical recovery furnace | Clayton J. Abel, Kenneth A. Pingel | 1995-05-16 |
| 5351631 | Removable damper for chemical recovery furnace | Robert B. Hill, Kenneth A. Pingel | 1994-10-04 |
| 5307745 | Removable damper for chemical recovery furnace | Robert B. Hill, Kenneth A. Pingel | 1994-05-03 |