Issued Patents All Time
Showing 25 most recent of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5429646 | Method of killing photobiotic plants | — | 1995-07-04 |
| 5199183 | Method and apparatus for measuring rise in height of a liquid column | — | 1993-04-06 |
| 5115574 | Method and apparatus for measuring rise in height of a liquid column | — | 1992-05-26 |
| 5105154 | Apparatus for measuring radial resistivities in cylindrical core samples of porous rock | W. David Kennedy | 1992-04-14 |
| 5095273 | Method for determining tensor conductivity components of a transversely isotropic core sample of a subterranean formation | W. David Kennedy | 1992-03-10 |
| 5093623 | Method for determining electrical anisotrophy from radial resistivities in cylindrical core samples of porous rock | W. David Kennedy | 1992-03-03 |
| 4926128 | Method for utilizing measured resistivities of porous rock under differing fluid saturations to identify fluid distribution equilibrium | — | 1990-05-15 |
| 4907448 | Apparatus for measuring resistivity of porous rock | — | 1990-03-13 |
| 4752882 | Method for determining the effective water saturation in a low-resistivity hydrocarbon-bearing rock formation based upon rock matrix conductance | — | 1988-06-21 |
| 4714881 | Nuclear magnetic resonance borehole logging tool | — | 1987-12-22 |
| 4686477 | Multiple frequency electric excitation method and identifying complex lithologies of subsurface formations | Edgar A. Bowden | 1987-08-11 |
| 4581194 | Method and system for controlling an accelerator-type neutron system | — | 1986-04-08 |
| 4581532 | Directional epithermal neutron detector | William R. Mills, Jr. | 1986-04-08 |
| 4568511 | Method for monitoring ore grade of an uranium bearing mixture | — | 1986-02-04 |
| 4568830 | Borehole gamma ray logging detector | David C. Stromswold | 1986-02-04 |
| 4467642 | Method for identifying complex lithologies in a subsurface formation | — | 1984-08-28 |
| 4464930 | Method for identifying complex lithologies in a subsurface formation | — | 1984-08-14 |
| 4446369 | Method and system for radioactive assaying | Linus S. Allen | 1984-05-01 |
| 4409480 | Method and system for the testing and calibration of radioactive well logging tools | — | 1983-10-11 |
| 4388266 | Method and system for monitoring ore grade of an uranium bearing mixture | — | 1983-06-14 |
| 4387302 | Measuring of gamma-ray energy due to inelastic neutron scattering | — | 1983-06-07 |
| 4379229 | Measuring of gamma-ray energy due to thermal neutron capture of copper and nickel | — | 1983-04-05 |
| 4378498 | Simulation of subsurface formations for the testing and calibration of radioactive well logging tools | — | 1983-03-29 |
| 4311912 | Neutron accelerator tube having improved target section | — | 1982-01-19 |
| 4310765 | Neutron accelerator tube having improved ionization section | — | 1982-01-12 |