Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5799620 | Direct contact fluid heating device | Brett Allen Cleer, Mark Cleer, Patrick I. Branch | 1998-09-01 |
| 4694783 | Multiple boiler heating system with improved venting and heat reclamation | — | 1987-09-22 |
| 4633821 | Liquid heating apparatus | — | 1987-01-06 |
| 4564142 | Hydronic system with circulators connected to a header | — | 1986-01-14 |
| D276549 | Water-circulating heat extractor | — | 1984-11-27 |