Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12066212 | Systems and methods for a refrigerant sub-system for a heating, ventilation, and air conditioning system | — | 2024-08-20 |
| 11385000 | Systems and methods for a non-pressurized closed loop water sub-system | — | 2022-07-12 |
| 11312893 | Use of solid surfactant composites in well cementing | Lennox Martin Leotaud, Jiten Chatterji, Darrell Chad Brenneis, James Robert Benkley, Lance E. Brothers +2 more | 2022-04-26 |
| 10584273 | Use of solid surfactant composites in well spacer fluids | Lennox Martin Leotaud, Jiten Chatterji, Darrell Chad Brenneis, James Robert Benkley, Lance E. Brothers +2 more | 2020-03-10 |
| 7516790 | Mono-diameter wellbore casing | Robert Lance Cook, Lev Ring, Kevin Waddell | 2009-04-14 |
| 7172021 | Liner hanger with sliding sleeve valve | David Paul Brisco, Edwin Zwald, Chan Daigle, Gregory Marshall Noel, Andrei Gregory Filippov +6 more | 2007-02-06 |
| 7048067 | Wellbore casing repair | Robert Lance Cook, David Paul Brisco, R. Bruce Stewart, Reece E. Wyant, Lev Ring +6 more | 2006-05-23 |
| 6976541 | Liner hanger with sliding sleeve valve | David Paul Brisco, Edwin Zwald, Chan Daigle, Gregory Marshall Noel, Andrei Gregory Filippov +6 more | 2005-12-20 |
| 5682752 | Refrigerant management control and method for a thermal energy storage system | — | 1997-11-04 |
| 5467812 | Air conditioning system with thermal energy storage and load leveling capacity | Theodore C. Gilles | 1995-11-21 |
| 5307642 | Refrigerant management control and method for a thermal energy storage system | — | 1994-05-03 |
| 5211029 | Combined multi-modal air conditioning apparatus and negative energy storage system | Robert B. Uselton, Michael G. Longman | 1993-05-18 |