Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8863516 | System for collecting concentrated solar radiation | — | 2014-10-21 |
| 8867907 | Reservoir fluid heating devices and methods of heating | — | 2014-10-21 |
| 8371153 | Apparatus and method for purging gases released from a heat exchanger | Ronald W. Hill | 2013-02-12 |
| 8297355 | Using heat from produced fluids of oil and gas operations to produce energy | Walt D. Hamilton, Karl Kolthoff, Timothy M. Veale, Jerry Lomax, David W. Bowers +3 more | 2012-10-30 |
| 7827791 | Advanced power recovery and energy conversion systems and methods of using same | Tom L. Pierson | 2010-11-09 |
| 7287381 | Power recovery and energy conversion systems and methods of using same | Tom L. Pierson | 2007-10-30 |
| 6964168 | Advanced heat recovery and energy conversion systems for power generation and pollution emissions reduction, and methods of using same | Tom L. Pierson | 2005-11-15 |