Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5595065 | Closed cycle cryogenic refrigeration system with automatic variable flow area throttling device | Michael Boiarski, Ralph C. Longsworth, Boris Yudin, Dennis Hill, Ajay Khatri +1 more | 1997-01-21 |
| 4949546 | Compact heat exchanger for a cryogenic refrigerator | Allen J. Bartlett, Dale A. Dopson | 1990-08-21 |
| 4831828 | Cryogenic refrigerator having a convection system to cool a hermetic compressor | Hans T. Clarke, Gary Gatto | 1989-05-23 |
| 4693736 | Oil cooled hermetic compressor used for helium service | — | 1987-09-15 |