Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12377745 | Combined hydrogen fuel cell for vehicle fueling, electric vehicle fast charging and fuel cell back-up power forecourt | James M. Wenck, Fred William Taylor | 2025-08-05 |
| 12270186 | Well water system | Zachary K. Foster | 2025-04-08 |
| 11988223 | Impeller assemblies and method of making | Jose Gabriel Davila Rangel, Baoning Zhang, Jeffrey Alan Roussel, Jess Adam Decker, Bruce Edward Schubert | 2024-05-21 |
| 11473589 | Impeller assemblies and method of making | Jose Gabriel Davila Rangel, Baoning Zhang, Jeffrey Alan Roussel, Jess Adam Decker, Bruce Edward Schubert | 2022-10-18 |
| 11236752 | In-line pressure boosting system and method | Jeff Roussel, Doug Lynn | 2022-02-01 |
| 10385859 | In-line pressure boosting system and method | Jeff Roussel | 2019-08-20 |
| 10233937 | Submersible pump thrust surface arrangement | — | 2019-03-19 |
| 8764386 | Bypass system for purging air from a submersible pump | — | 2014-07-01 |
| 8683821 | Sediment trap system and method | Ryan Johnson | 2014-04-01 |
| 7794199 | Bypass system for purging air from a submersible pump | — | 2010-09-14 |
| 7316859 | Storage system and method for supplying hydrogen to a polymer membrane fuel cell | Gervase Maxwell Christie, Timothy James Fagan | 2008-01-08 |
| 7290984 | Multistage pump | — | 2007-11-06 |
| 7263841 | Superconducting magnet system with supplementary heat pipe refrigeration | Bayram Arman, Arun Acharya, Richard Fitzgerald | 2007-09-04 |
| 7249465 | Method for operating a cryocooler using temperature trending monitoring | Bayram Arman, Steve Richards, Mushtaq M. Ahmed, Arun Acharya | 2007-07-31 |
| 7143587 | Low frequency pulse tube system with oil-free drive | Arun Acharya, Bayram Arman, Richard Fitzgerald, John Henri Royal | 2006-12-05 |
| 7036523 | Serviceable check valve | Kenneth R. Nixon | 2006-05-02 |
| 7024867 | Method for operating a cryocooler using on line contaminant monitoring | Bayram Arman, Steve Richards, M. Mushtaq Ahmed, Arun Acharya | 2006-04-11 |
| 6938426 | Cryocooler system with frequency modulating mechanical resonator | Arun Acharya, Bayram Arman, Richard Fitzgerald, John Henri Royal, Al-Khalique S. Hamilton | 2005-09-06 |
| 6648946 | Process for recovering helium using an eductor | — | 2003-11-18 |