Warren; Roy K.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Warren; Roy K..The latest application filed is for "electric power grid induced geophysical prospecting method and apparatus".
- Warren; Roy K. - Houston TX
| Patent | Date |
|---|---|
| Electric power grid induced geophysical prospecting method and apparatus Grant 7,248,052 - Weaver , et al. July 24, 2 | 2007-07-24 |
| Electric power grid induced geophysical prospecting method and apparatus Grant 7,227,362 - Warren , et al. June 5, 2 | 2007-06-05 |
| Electric power grid induced geophysical prospecting method and apparatus App 20050184731 - Warren, Roy K. ; et al. | 2005-08-25 |
| Electric power grid induced geophysical prospecting method and apparatus App 20040239330 - Weaver, W. Harry ; et al. | 2004-12-02 |
| Method and apparatus for spacially continuous two-dimensional imaging of subsurface conditions through surface induction techniques Grant 5,892,362 - Warren , et al. April 6, 1 | 1999-04-06 |
| Detection and mapping of hydrocarbon reservoirs with radar waves Grant 5,400,030 - Duren , et al. March 21, 1 | 1995-03-21 |
| Method of mineral exploration by detecting electromagnetic energy at power line frequency Grant 3,866,111 - Warren February 11, 1 | 1975-02-11 |
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