Issued Patents 2023
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11661559 | Universal feeder with clamshell transfer screw | Renus Kelfkens, Brandon Davis, Joseph Mikhail | 2023-05-30 |
| 11639478 | Method of elimination of poly- and perfluoroalkyl substances (PFAS) in a wastewater biosolids gasification process using a thermal oxidizer and hydrated lime injection | Joel Thornton, Brandon Davis, Renus Kelfkens, Ron Hudson, Mark K. Robertson | 2023-05-02 |
| 11566191 | System and process for continuous production of contaminate free, size specific biochar following gasification | Renus Kelfkens | 2023-01-31 |