Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE47303 | Variable bypass pipeline heater | Caleb Barendregt | 2019-03-19 |
| 9441856 | Steam generator | — | 2016-09-13 |
| 9347206 | Variable bypass pipeline heater | Caleb Barendregt | 2016-05-24 |
| 8826866 | Dugout heating system | Calvin A. G. Barendregt, Caleb Barendregt | 2014-09-09 |