Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10982152 | Demetallization of liquid biomass | Josh Normand, Timothy A. Brandvold, Stanley J. Frey, Doug Clarke | 2021-04-20 |
| 10975315 | Systems and methods for renewable fuel | Robert G. Graham | 2021-04-13 |
| 10948179 | Liquid biomass heating system | Geoffrey D. Hopkins, Cameron A. F. Stiles, R. Lee Torrens, Stefan Muller | 2021-03-16 |