Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11098924 | Combustion tube assembly of a water heater | Piyush Porwal, Ashwin Rao, Jason Hall | 2021-08-24 |
| 11073303 | Combustion tube assembly of a water heater | Piyush Porwal, Ashwin Rao, Jason Hall | 2021-07-27 |
| 10914491 | Heat pump water heater | Troy E. Trant, Hafez Raeisi Fard | 2021-02-09 |
| 10883743 | Water heater with flow bypass | — | 2021-01-05 |