Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6925870 | Ultrasonic fill level device and method | Richard A. Pappas, Don Daly, Walter C. Weimer, Kayte M. Judd, Scott Cooley | 2005-08-09 |
| 5316411 | Apparatus for in situ heating and vitrification | Kenton H. Oma, Eugene A. Eschbach | 1994-05-31 |
| 5114277 | Vitrified underground structures | Mark T. Murphy, James A. Stottlemyre, John S. Tixier, Jr. | 1992-05-19 |
| 5100259 | Cold cap subsidence for in situ vitrification and electrodes therefor | John G. Carter, Eugene A. Eschbach, Vincent F. FitzPatrick, Paul L. Koehmstedt, William C. Morgan +2 more | 1992-03-31 |
| 4957393 | In situ heating to detoxify organic-contaminated soils | Kenton H. Oma | 1990-09-18 |
| 4956535 | Electrode systems for in situ vitrification | John G. Carter, Eugene A. Eschbach, Vincent F. FitzPatrick, Paul L. Koehmstedt, William C. Morgan +2 more | 1990-09-11 |
| 4376598 | In-situ vitrification of soil | Richard A. Brouns, William F. Bonner | 1983-03-15 |