Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10648739 | Controller with clinker agitator control for biofuel-fired furnace | Jeffrey R. Hallowell, Kelli A. O'Brien | 2020-05-12 |
| 10139166 | Fuel feed and air feed controller for biofuel-fired furnace | Jeffrey R. Hallowell, Kelli A. O'Brien | 2018-11-27 |