Issued Patents All Time
Showing 1–25 of 67 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5234056 | Sonic method and apparatus for freeing a stuck drill string | Lucy Young | 1993-08-10 |
| 5030034 | Soil pollution monitoring system and apparatus | — | 1991-07-09 |
| 4913234 | Fluid driven screw type sonic oscillator-amplifier system for use in freeing a stuck pipe | — | 1990-04-03 |
| 4885098 | Sonic method for facilitating the removal of solid particles from a slurry | — | 1989-12-05 |
| 4883532 | Sonic method for facilitating the extraction of minerals from ore in a leachant | — | 1989-11-28 |
| 4874270 | Method and apparatus for reducing impedance or core material in sonic pile driving | — | 1989-10-17 |
| 4848486 | Method and apparatus for transversely boring the earthen formation surrounding a well to increase the yield thereof | — | 1989-07-18 |
| 4836299 | Sonic method and apparatus for installing monitor wells for the surveillance and control of earth contamination | — | 1989-06-06 |
| 4830758 | Sonic method and apparatus for winning minerals from liquid carriers | — | 1989-05-16 |
| 4824258 | Fluid driven screw type (moyno) sonic oscillator system | — | 1989-04-25 |
| 4817712 | Rod string sonic stimulator and method for facilitating the flow from petroleum wells | — | 1989-04-04 |
| 4815328 | Roller type orbiting mass oscillator with low fluid drag | — | 1989-03-28 |
| 4791899 | Acoustic detonation suppression in internal combustion engine | — | 1988-12-20 |
| 4780138 | Sonic apparatus and method for facilitating the extraction of minerals from ore in a leachant | — | 1988-10-25 |
| 4778279 | Sonic agitator with multi phased vibration bars | — | 1988-10-18 |
| 4736794 | Method for the sonic cementing of down hole well casings | — | 1988-04-12 |
| 4716555 | Sonic method for facilitating the fracturing of earthen formations in well bore holes | — | 1987-12-29 |
| 4703207 | Alternating current magneto hydrodynamic generator | — | 1987-10-27 |
| 4702315 | Method and apparatus for sonically stimulating oil wells to increase the production thereof | — | 1987-10-27 |
| 4695231 | Sonic impeller for sonic well pump | — | 1987-09-22 |
| 4693325 | Sonic drill employing orbiting crank mechanism | — | 1987-09-15 |
| 4693326 | Cycloidal earth cutting system with rocker-type nutating action | — | 1987-09-15 |
| 4673037 | Method for sonically loosening oil well liner environments | — | 1987-06-16 |
| 4667742 | Down hole excitation system for loosening drill pipe stuck in a well | — | 1987-05-26 |
| 4665980 | Method for improving well production by sonically driving granular medium installed in well | — | 1987-05-19 |