Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8235140 | Methods and apparatus for thermal drilling | Thomas W. Wideman, Jared M. Potter, Donald S. Dreesen | 2012-08-07 |
| 5771984 | Continuous drilling of vertical boreholes by thermal processes: including rock spallation and fusion | Jefferson W. Tester | 1998-06-30 |
| 4421982 | Apparatus and method for downhole injection of radioactive tracer | Jacobo Rogelio Archuleta, Conrad F. Fink | 1983-12-20 |