Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10866010 | High-efficiency condensing water heater | Bruce L. Hill, Matt POLHEMUS | 2020-12-15 |
| 7634976 | Apparatus and method for delivering water into a water heater | Michael Gordon | 2009-12-22 |
| 7063132 | Multi-wall heat exchanger for a water heater | Michael Gordon | 2006-06-20 |
| 7063133 | Multi-wall heat exchanger for a water heater | Michael Gordon | 2006-06-20 |
| 7007748 | Indirect water heater and method of manufacturing same | Michael Gordon | 2006-03-07 |