Issued Patents 2005
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6971248 | Method and apparatus for inhibiting ice accumulation in HVAC systems | — | 2005-12-06 |
| 6931879 | Closed loop direct expansion heating and cooling system with auxiliary refrigerant pump | — | 2005-08-23 |
| 6932149 | Insulated sub-surface liquid line direct expansion heat exchange unit with liquid trap | — | 2005-08-23 |