Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12168214 | High reactivity lime hydrate and methods of manufacturing and uses thereof | Randy Griffard, Stephen C. Schweigert, Gerald K. Bequette, William S. Allebach, Zhichao Zhang +1 more | 2024-12-17 |
| 11865583 | Systems and methods for separating soft burned and hard burned calcium oxide | Randy Griffard, David Venhaus | 2024-01-09 |
| 11311839 | Systems and method for SO3 mitigation at high temperature injection locations | Curt Biehn, Randy Griffard, Eric Van Rens, Pat Mongoven | 2022-04-26 |
| 10688500 | Systems and method for removal of acid gas in a circulating dry scrubber | Curtiss R. Biehn, Randy Griffard, Eric Van Rens | 2020-06-23 |
| 10668480 | Systems and method for removal of acid gas in a circulating dry scrubber | Curtiss R. Biehn, Randy Griffard, Eric Van Rens | 2020-06-02 |
| 10307728 | High reactivity lime hydrate and methods of manufacturing and uses thereof | Randy Griffard, Stephen C. Schweigert, Gerald K. Bequette, William S. Allebach, Zhichao Zhang +1 more | 2019-06-04 |
| 10307766 | Systems and methods for separating soft burned and hard burned calcium oxide | Randy Griffard, David Venhaus | 2019-06-04 |
| 10155227 | Systems and method for removal of acid gas in a circulating dry scrubber | Curtis Biehn, Randy Griffard, Eric Van Rens | 2018-12-18 |
| 10046273 | Systems and method for removal of acid gas in a circulating dry scrubber | Curtis Biehn, Randy Griffard, Eric Van Rens | 2018-08-14 |
| 9751043 | Systems and method for removal of acid gas in a circulating dry scrubber | Curtis Biehn, Randy Griffard, Eric Van Rens | 2017-09-05 |
| 9517471 | High reactivity lime hydrate and methods of manufacturing and uses thereof | Randy Griffard, Stephen C. Schweigert, Gerald K. Bequette, William S. Allebach, Zhichao Zhang +1 more | 2016-12-13 |
| 6451281 | Methods of manufacturing micro-particulated hydrate slurries | Joseph H. Ebeling, Randy Griffard | 2002-09-17 |
| 6200543 | Apparatus and methods for reducing carbon dioxide content of an air stream | William S. Allebach, Gary F. Lutman, Randy Griffard | 2001-03-13 |
| 5678959 | Method of, and apparatus for, reducing scaling in pneumatic lime conveying systems | Randy Griffard | 1997-10-21 |