Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6121698 | Oil cooled motor and pump apparatus | — | 2000-09-19 |
| 5213468 | Bearing flushing system | Virgil J. Beaty | 1993-05-25 |
| 4577700 | Method and system for displacing drilling fluid from a drill string in a well drilling system | Thomas B. Dellinger, William G. Boston, Robert T. Strong | 1986-03-25 |
| 4385520 | Strain and phase detection for rock materials under oscillatory loading | Lucien Masse, William L. Medlin | 1983-05-31 |
| 4379407 | System for conducting resonance measurements of rock materials under confining pressure | Lucien Masse, William L. Medlin | 1983-04-12 |
| 4378698 | Amplitude and phase detector in a harmonic oscillator system | Lucien Masse, William L. Medlin | 1983-04-05 |
| 4354381 | Sonic attenuating method for distinguishing between oil, water and gas | William L. Medlin, Lucien Masse | 1982-10-19 |
| 4312049 | Method of identifying gas, oil and water zones in a subsurface formation | Lucien Masse, W. L. Medlin | 1982-01-19 |