Patents per Year
Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 5566756 | Method for recovering methane from a solid carbonaceous subterranean formation | Dan Yee, Richard F. Volz, Jr., John P. Seidle, Rajen Puri | 1996-10-22 | $45,021,000 |
| 5454666 | Method for disposing of unwanted gaseous fluid components within a solid carbonaceous subterranean formation | Dan Yee | 1995-10-03 | $109,356,000 |
| 5439054 | Method for treating a mixture of gaseous fluids within a solid carbonaceous subterranean formation | Dan Yee, Richard F. Volz, Jr., John P. Seidle, Rajen Puri | 1995-08-08 | $29,691,000 |
| 4635721 | Method of displacing fluids within a gas-condensate reservoir | Miller Sheffield, Robert S. Metcalfe, James W. Calvin | 1987-01-13 | $26,200,000 |
| 4206033 | CO.sub.2 Pretreatment prevents calcium carbonate formation | Richard C. Neavel, Roy J. Brunson | 1980-06-03 | $15,792,000 |