Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7086237 | Method and apparatus to measure and transfer liquefied refrigerant in a refrigeration system | Paul Wickberg, Daniel Johnson | 2006-08-08 |
| 7065979 | Refrigeration system | David K. Hinde, Richard N. Walker, Georgi Kazachki | 2006-06-27 |
| 6981385 | Refrigeration system | David K. Hinde, Richard N. Walker, Mark T. Lane | 2006-01-03 |
| 6915652 | Service case | Mark T. Lane, Michael B. Davidson, David K. Hinde, Richard N. Walker | 2005-07-12 |
| 6889518 | Service case | Mark T. Lane, Michael B. Davidson, David K. Hinde, Richard N. Walker | 2005-05-10 |
| 6889514 | Service case | Mark T. Lane, Michael B. Davidson, David K. Hinde, Richard N. Walker | 2005-05-10 |
| 6202425 | Non-compression cascade refrigeration system for closed refrigerated spaces | David K. Hinde, Anthony Papagna | 2001-03-20 |
| 6170270 | Refrigeration system using liquid-to-liquid heat transfer for warm liquid defrost | David K. Hinde | 2001-01-09 |
| 6094925 | Crossover warm liquid defrost refrigeration system | David K. Hinde | 2000-08-01 |