Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11852377 | High efficiency tankless water heater | Jianmin Yin, Stephen Memory, Chad Edington, Neil Rolph, Brian Iske +2 more | 2023-12-26 |
| 7824178 | Air transfer arm for boiler | Benjamin P. Putnam | 2010-11-02 |