Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4641711 | Terminating persistent underground coal fires | — | 1987-02-10 |
| 4544037 | Initiating production of methane from wet coal beds | — | 1985-10-01 |
| 4484629 | Movable oxidizer injection point for production of coal in situ | — | 1984-11-27 |
| 4463807 | Minimizing subsidence effects during production of coal in situ | Xerxes T. Stoddard, Vesper A. Vaseen | 1984-08-07 |
| 4448252 | Minimizing subsidence effects during production of coal in situ | Xerxes T. Stoddard, Vesper A. Vaseen | 1984-05-15 |
| 4437520 | Method for minimizing subsidence effects during production of coal in situ | Xerxes T. Stoddard, Vesper A. Vaseen | 1984-03-20 |
| 4250230 | Generating electricity from coal in situ | — | 1981-02-10 |
| 4246966 | Production and wet oxidation of heavy crude oil for generation of power | Xerxes T. Stoddard, Vesper A. Vaseen | 1981-01-27 |
| 4191012 | Wet oxidation engine | Xerxes T. Stoddard, Vesper A. Vaseen | 1980-03-04 |
| 4185692 | Underground linkage of wells for production of coal in situ | — | 1980-01-29 |
| 4186171 | Apparatus for the wet oxidation of sulphur and the capture of generated heat | Xerxes T. Stoddard, Vasper A. Vaseen | 1980-01-29 |