Issued Patents All Time
Showing 26–50 of 51 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5487873 | Method and apparatus for treating hazardous waste or other hydrocarbonaceous material | Guggliam C. Sresty, Allen Taflove | 1996-01-30 |
| 5476634 | Method and apparatus for rendering medical materials safe | Guggilam C. Sresty, Jeffery S. Held, James W. Sharp, Thomas J. Bajzek | 1995-12-19 |
| 5420402 | Methods and apparatus to confine earth currents for recovery of subsurface volatiles and semi-volatiles | Guggilam C. Sresty | 1995-05-30 |
| 5326530 | Energy-efficient electromagnetic elimination of noxious biological organisms | — | 1994-07-05 |
| 5293936 | Optimum antenna-like exciters for heating earth media to recover thermally responsive constituents | — | 1994-03-15 |
| 5099918 | Power sources for downhole electrical heating | George T. Dubiel | 1992-03-31 |
| 5070533 | Robust electrical heating systems for mineral wells | Thomas J. Bajzek, Kenneth E. Hofer, Homer L. Spencer, Larry Gene Smith, Vincent R. Young | 1991-12-03 |
| 5012868 | Corrosion inhibition method and apparatus for downhole electrical heating in mineral fluid wells | — | 1991-05-07 |
| 4919201 | Corrosion inhibition apparatus for downhole electrical heating | George T. Dubiel, Thomas J. Bajzek | 1990-04-24 |
| 4900196 | Confinement in porous material by driving out water and substituting sealant | — | 1990-02-13 |
| 4821798 | Heating system for rathole oil well | Vincent R. Young | 1989-04-18 |
| 4793409 | Method and apparatus for forming an insulated oil well casing | Joseph O. Enk, Homer L. Spencer, Vincent R. Young | 1988-12-27 |
| 4790375 | Mineral well heating systems | Guggilam C. Sresty, Vincent R. Young, Homer L. Spencer | 1988-12-13 |
| 4670634 | In situ decontamination of spills and landfills by radio frequency heating | Harsh Dev, Richard H. Snow, Allen Taflove | 1987-06-02 |
| 4645004 | Electro-osmotic production of hydrocarbons utilizing conduction heating of hydrocarbonaceous formations | Allen Taflove, Guggilam C. Sresty | 1987-02-24 |
| 4646277 | Control for guiding a boring tool | Joseph O. Enk | 1987-02-24 |
| 4600356 | Underground pipeline and cable detector and process | Robert Sutkowski, Kenneth E. Hofer | 1986-07-15 |
| 4545435 | Conduction heating of hydrocarbonaceous formations | Allen Taflove | 1985-10-08 |
| 4524827 | Single well stimulation for the recovery of liquid hydrocarbons from subsurface formations | Allen Taflove, Guggilam C. Sresty | 1985-06-25 |
| 4498535 | Apparatus and method for in situ controlled heat processing of hydrocarbonaceous formations with a controlled parameter line | — | 1985-02-12 |
| 4485868 | Method for recovery of viscous hydrocarbons by electromagnetic heating in situ | Guggilam C. Sresty, Harsh Dev, Richard H. Snow | 1984-12-04 |
| 4485869 | Recovery of liquid hydrocarbons from oil shale by electromagnetic heating in situ | Guggilam C. Sresty, Richard H. Snow | 1984-12-04 |
| 4476926 | Method and apparatus for mitigation of radio frequency electric field peaking in controlled heat processing of hydrocarbonaceous formations in situ | Allen Taflove | 1984-10-16 |
| 4449585 | Apparatus and method for in situ controlled heat processing of hydrocarbonaceous formations | Allen Taflove | 1984-05-22 |
| 4340770 | Enhancement of the magnetic permeability in glassy metal shielding | Marvin J. Frazier | 1982-07-20 |