Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9475698 | Hydrothermal carbonization of sewage wastes | Steven M. Heilmann, Frederick J. Schendel, Marc Gregor Von Keitz, Kenneth J. Valentas, Anthony L. Mikula | 2016-10-25 |
| 8999030 | Methods of producing coal and fertilizers from fermentation residues | Frederick J. Schendel, Marc Gregor Von Keitz, Kenneth J. Valentas, Steven M. Heilmann, Lindsey R. Jader | 2015-04-07 |