Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8302410 | Inertance tube and surge volume for pulse tube refrigerator | Sidney W. K. Yuan, Carl S. Kirkconnell, Kenneth D. Price, Anthony T. Finch | 2012-11-06 |
| 7263838 | Pulse tube cooler with internal MEMS flow controller | Carl S. Kirkconnell, Kenneth D. Price | 2007-09-04 |
| 7089750 | Expansion-nozzle cryogenic refrigeration system with reciprocating compressor | Kenneth D. Price, Carl S. Kirkconnell | 2006-08-15 |
| 5966936 | Pin coupling for reduced side loads in a driven displacer-piston link and method | — | 1999-10-19 |
| 5944302 | Linear compressor including reciprocating piston and machined double-helix piston spring | Anthony S. Loc | 1999-08-31 |
| 5596875 | Split stirling cycle cryogenic cooler with spring-assisted expander | Robert Berry | 1997-01-28 |
| 5542254 | Cryogenic cooler | — | 1996-08-06 |
| 5018357 | Temperature control system for a cryogenic refrigeration | James Livingstone, Graham J. Higham | 1991-05-28 |
| 4924675 | Linear motor compresser with stationary piston | Graham J. Higham, Ronald N. Morris, Frank Heger, James Livingstone, David Tormey | 1990-05-15 |
| 4910965 | Means for periodic desorption of a cryopump | Robert J. Lepofsky, Bruce R. Andeen | 1990-03-27 |
| 4873913 | Dry roughing pump having a gas film bearing | Peter K. Bertsch | 1989-10-17 |
| 4860543 | Vibration isolation system for a linear reciprocating machine | Graham J. Higham, Ronald N. Morris | 1989-08-29 |
| 4783968 | Vibration isolation system for a linear reciprocating machine | Graham J. Higham, Ronald N. Morris | 1988-11-15 |
| 4761960 | Cryogenic refrigeration system having an involute laminated stator for its linear drive motor | Graham J. Higham, Howard D. Snively, Harry G. Nicoll | 1988-08-09 |