Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11129918 | Air sanitation devices and systems | Timothy J. Shellenberger, Atilhan Manay, Shubham Srivastava | 2021-09-28 |
| 11117820 | Automatic descaling system | Robert D. Brown, Edward D. Turner | 2021-09-14 |
| 11054199 | Applying coatings to the interior surfaces of heat exchangers | Divakar Mantha | 2021-07-06 |
| 10914491 | Heat pump water heater | Jozef Boros, Hafez Raeisi Fard | 2021-02-09 |