Issued Patents All Time
Showing 25 most recent of 57 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7263841 | Superconducting magnet system with supplementary heat pipe refrigeration | Arun Acharya, Richard Fitzgerald, James J. Volk | 2007-09-04 |
| 7249465 | Method for operating a cryocooler using temperature trending monitoring | James J. Volk, Steve Richards, Mushtaq M. Ahmed, Arun Acharya | 2007-07-31 |
| 7234307 | Cryocooler with grooved flow straightener | Arun Acharya, Al-Khalique S. Hamilton | 2007-06-26 |
| 7219501 | Cryocooler operation with getter matrix | Jalal Hunain Zia, Arun Acharya | 2007-05-22 |
| 7201001 | Resonant linear motor driven cryocooler system | — | 2007-04-10 |
| 7143587 | Low frequency pulse tube system with oil-free drive | Arun Acharya, Richard Fitzgerald, James J. Volk, John Henri Royal | 2006-12-05 |
| 7024867 | Method for operating a cryocooler using on line contaminant monitoring | James J. Volk, Steve Richards, M. Mushtaq Ahmed, Arun Acharya | 2006-04-11 |
| 6938426 | Cryocooler system with frequency modulating mechanical resonator | Arun Acharya, Richard Fitzgerald, James J. Volk, John Henri Royal, Al-Khalique S. Hamilton | 2005-09-06 |
| 6881354 | Multicomponent refrigerant fluids for low and cryogenic temperatures | Neil M. Prosser, M. Abdul-Aziz Rashad, Henry Edward Howard | 2005-04-19 |
| 6668581 | Cryogenic system for providing industrial gas to a use point | Arun Acharya, John Henri Royal, Raymond P. Roberge, Brian Michael Meredith | 2003-12-30 |
| 6644038 | Multistage pulse tube refrigeration system for high temperature super conductivity | Arun Acharya, John Henri Royal, Dante Patrick Bonaquist | 2003-11-11 |
| 6640557 | Multilevel refrigeration for high temperature superconductivity | Arun Acharya, Dante Patrick Bonaquist, John Henri Royal | 2003-11-04 |
| 6640553 | Pulse tube refrigeration system with tapered work transfer tube | Vincent Kotsubo, Dante Patrick Bonaquist, Arun Acharya | 2003-11-04 |
| 6604364 | Thermoacoustic cogeneration system | Dante Patrick Bonaquist, John Henri Royal | 2003-08-12 |
| 6591618 | Supercritical refrigeration system | Henry Edward Howard, Arun Acharya, James B. Wulf | 2003-07-15 |
| 6588224 | Integrated absorption heat pump thermoacoustic engine refrigeration system | Dante Patrick Bonaquist, John Henri Royal, Arun Acharya | 2003-07-08 |
| 6532752 | Food freezing system | Dante Patrick Bonaquist, Arthur Edward Holmer, Raymond P. Roberge | 2003-03-18 |
| 6523348 | Work recovery from process involving steam generation | Arun Acharya, Christian Friedrich Gottzmann, Dante Patrick Bonaquist, John Henri Royal | 2003-02-25 |
| 6502404 | Cryogenic rectification system using magnetic refrigeration | Arun Acharya, Dante Patrick Bonaquist | 2003-01-07 |
| 6477847 | Thermo-siphon method for providing refrigeration to a refrigeration load | Dante Patrick Bonaquist, John Fredric Billingham, Jalal Hunain Zia, Nancy Jean Lynch | 2002-11-12 |
| 6460373 | Cryogenic rectification system for producing high purity oxygen | Thomas John Bergman, Jr., Minish Mahendra Shah | 2002-10-08 |
| 6453677 | Magnetic refrigeration cryogenic vessel system | — | 2002-09-24 |
| 6438994 | Method for providing refrigeration using a turboexpander cycle | Mohammad Abdul-Aziz Rashad, Kenneth Kai Wong, Henry Edward Howard, Dante Patrick Bonaquist | 2002-08-27 |
| 6427483 | Cryogenic industrial gas refrigeration system | Mohammad Abdul-Aziz Rashad, Arun Acharya | 2002-08-06 |
| 6425250 | System for providing cryogenic refrigeration using an upstream pulse tube refrigerator | Arun Acharya, John Henri Royal, Dante Patrick Bonaquist, Christian Friedrich Gottzmann | 2002-07-30 |