Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10900699 | Helium management control system | Oliver J. Dumas, Maureen C. Buonpane, Doreen J. Ball-DiFazio, Allen J. Bartlett, Leonard A. Loranger +4 more | 2021-01-26 |
| 10113781 | Helium management control system | Oliver J. Dumas, Maureen C. Buonpane, Doreen J. Ball-DiFazio, Allen J. Bartlett, Leonard A. Loranger +4 more | 2018-10-30 |
| 8413452 | Linear drive cryogenic refrigerator | Bruce R. Andeen, Allen J. Bartlett | 2013-04-09 |
| 6216467 | Cryogenic refrigerator with a gaseous contaminant removal system | James A. O'Neil, Gordon Cheng | 2001-04-17 |
| 5799493 | Corrosion resistant cryopump | Doreen J. Ball-DiFazio, Stephen R. Matte, Ernest D. Quintanilha | 1998-09-01 |
| 5735128 | Cryogenic refrigerator drive | Yueli Zhang, David C. Giusti | 1998-04-07 |
| 5036670 | Cryogenic refrigerator with corner seal | — | 1991-08-06 |
| 4924675 | Linear motor compresser with stationary piston | Graham J. Higham, Gerald R. Pruitt, Frank Heger, James Livingstone, David Tormey | 1990-05-15 |
| 4860543 | Vibration isolation system for a linear reciprocating machine | Graham J. Higham, Gerald R. Pruitt | 1989-08-29 |
| 4783968 | Vibration isolation system for a linear reciprocating machine | Graham J. Higham, Gerald R. Pruitt | 1988-11-15 |