Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12203683 | Apparatus and methods for heating water with refrigerant from air conditioning system | Timothy B. Hawkins | 2025-01-21 |
| 11953229 | Adaptive HVAC support structure | Alan Ugalde, David E. M. Salisbury, Jesus Toro, Elvira Martinez, Jonathan Emmanuel Salgado | 2024-04-09 |
| 10871307 | Apparatus and methods for heating water with refrigerant from air conditioning system | Timothy B. Hawkins | 2020-12-22 |
| 10190806 | Apparatus and methods for controlling an electronic expansion valve in a refrigerant circuit | Kelvin W. Kleman, Randy R. Koivisto | 2019-01-29 |
| 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 |
| 9389000 | Apparatus and methods for pre-heating water with air conditioning unit or heat pump | Klint E. Leete, Timothy B. Hawkins | 2016-07-12 |
| 9341384 | Endothermic base-mounted heat pump water heater | Paul D. McKim | 2016-05-17 |
| 9157655 | Endothermic base-mounted heat pump water heater | Paul D. McKim | 2015-10-13 |