Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11073281 | Closed-loop programming and control of a combustion appliance | Glenn R. Bergum, Bernard John Graham | 2021-07-27 |
| 10989421 | System and approach for water heater comfort and efficiency improvement | David Heil, Ravindra Khosla | 2021-04-27 |