Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6000235 | Absorption cooling and heating refrigeration system flow valve | — | 1999-12-14 |
| 5911746 | Gax absorption cycle with secondary refrigerant | — | 1999-06-15 |
| 5729999 | Helical absorber construction | Michael W. Klintworth | 1998-03-24 |
| 5689971 | Absorption cooling system utilizing helical absorbers | Michael W. Klintworth | 1997-11-25 |
| 5624246 | Hydraulic ammonia solution pump | — | 1997-04-29 |