Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6070420 | Variable refrigerant, intrastage compression heat pump | David J. McFarlin, Raymond L. DeBlois, Tobias H. Sienel | 2000-06-06 |
| 5848537 | Variable refrigerant, intrastage compression heat pump | David J. McFarlin, Raymond L. DeBlois, Tobias H. Sienel | 1998-12-15 |
| 4464908 | Solar-powered turbocompressor heat pump system | Abraham M. Landerman, Gorken Melikian, Maurice D. Meader, Charles E. Kepler, Torger J. Anderson +1 more | 1984-08-14 |