Issued Patents 2011
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8082751 | DX system with filtered suction line, low superheat, and oil provisions | — | 2011-12-27 |
| 8033127 | Direct exchange system design improvements | — | 2011-10-11 |
| 7938904 | Cementitious grout and methods of using same | — | 2011-05-10 |
| 7886558 | Method and apparatus for inhibiting frozen moisture accumulation in HVAC systems | — | 2011-02-15 |