Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6463755 | Energy transfer system for refrigerator/freezer components | Edward R. Schulak, J. Benjamin Horvay | 2002-10-15 |
| 6230514 | Energy transfer system for refrigerator freezer components | Edward R. Schulak, J. Benjamin Horvay | 2001-05-15 |
| 5964101 | Energy transfer system for refrigerator/freezer components | Edward R. Schulak, J. Benjamin Horvay | 1999-10-12 |
| 5937662 | Energy transfer system for refrigerator/freezer components | Edward R. Schulak, J. Benjamin Horvay | 1999-08-17 |
| 5904051 | Energy transfer system for refrigeration/freezer components | Edward R. Schulak, J. Benjamin Horvay | 1999-05-18 |
| 5816063 | Energy transfer system for refrigerator/freezer components | Edward R. Schulak, J. Benjamin Horvay | 1998-10-06 |
| 4336692 | Dual source heat pump | Amir L. Ecker | 1982-06-29 |
| 4320630 | Heat pump water heater | Robert B. Uselton | 1982-03-23 |