Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11028931 | Flow control valve and hydronic system | William J. BROWNE | 2021-06-08 |
| 10578345 | Heat transfer and hydronic systems | — | 2020-03-03 |
| 9581340 | Domestic hot water delivery system | — | 2017-02-28 |
| 8563897 | Sheathed welding wire | Daryl L. Duncan | 2013-10-22 |