Issued Patents 2018
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9945582 | Apparatus and methods for pre-heating water with air conditioning unit or heat pump | Klint E. Leete, Timothy B. Hawkins | 2018-04-17 |
| 9879881 | Apparatus and methods for heating water with refrigerant from air conditioning system | Timothy B. Hawkins | 2018-01-30 |
| 9874380 | Apparatus and methods for controlling an electronic expansion valve in a refrigerant circuit | Kelvin W. Kleman, Randy R. Koivisto | 2018-01-23 |