Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11878913 | Methods and systems for making and using refined lime flour | Michael Stever, Randy Griffard, Gerald K. Bequette, Nathan Hooper | 2024-01-23 |
| 11772980 | Methods for removal of impurities from limestone and calcium oxide during the production of hydrated lime | Randy Griffard, Mary Grass | 2023-10-03 |
| 11656117 | Test system for rotary airlocks | Gerald K. Bequette, Nathan Hooper, Randy Griffard | 2023-05-23 |
| 11603318 | Lime hydrate and lime hydrate slurry with improved reactivity for water purification | Randy Griffard, Michael Stever, Kory Mueller, Nathan Hooper, Scott Sipiorski | 2023-03-14 |
| 11420878 | Methods for removal of lead and/or other contaminants from limestone and resultant calcium oxide | Randy Griffard, Mary Grass | 2022-08-23 |
| 11365150 | Lime hydrate with improved reactivity via additives | Randy Griffard, William S. Allebach, Paul J. Ramer | 2022-06-21 |
| 11148149 | Hydrated lime with reduced resistivity and method of manufacture | Randy Griffard, William S. Allebach, Paul J. Ramer | 2021-10-19 |