Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5357760 | Hybrid cryogenic vacuum pump apparatus and method of operation | — | 1994-10-25 |
| 5305612 | Cryopump method and apparatus | Craig Perkins | 1994-04-26 |
| 5146124 | Linear drive motor with flexible coupling | Niels O. Young, Alan L. Weeks, Steven A. Michaud, William T. Sand | 1992-09-08 |
| 5040372 | Linear drive motor with flexure bearing support | — | 1991-08-20 |
| 5018357 | Temperature control system for a cryogenic refrigeration | James Livingstone, Gerald R. Pruitt | 1991-05-28 |
| 4924675 | Linear motor compresser with stationary piston | Gerald R. Pruitt, Ronald N. Morris, Frank Heger, James Livingstone, David Tormey | 1990-05-15 |
| 4860543 | Vibration isolation system for a linear reciprocating machine | Ronald N. Morris, Gerald R. Pruitt | 1989-08-29 |
| 4819439 | Linear drive motor with improved dynamic absorber | — | 1989-04-11 |
| 4798054 | Linear drive motor with flexure bearing support | — | 1989-01-17 |
| 4783968 | Vibration isolation system for a linear reciprocating machine | Ronald N. Morris, Gerald R. Pruitt | 1988-11-15 |
| 4761960 | Cryogenic refrigeration system having an involute laminated stator for its linear drive motor | Howard D. Snively, Harry G. Nicoll, Gerald R. Pruitt | 1988-08-09 |