Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11747045 | Portable indirect fuel fired heater with automated combustion optimization | Ernest Haak | 2023-09-05 |
| 8950390 | Auxiliary heating duct for an indirect fired heater | Rodney A. Froese | 2015-02-10 |