Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 7926403 | Transient, high rate, closed system cryogenic injection | David L. Kruczynski, Barry L. Landers, Dennis W. Massey | 2011-04-19 | |
| 6679294 | Cryogenic fluid system for conduction of cryogenic liquids | John Charles Ringelberg, Bryan R. Helgesen, Steven P. Sakla, Frank Charles Zegler | 2004-01-20 | $14,490,000 |