Issued Patents All Time
Showing 1–25 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5881310 | Method for executing an instruction where the memory locations for data, operation to be performed and storing of the result are indicated by pointers | Melvin G. Montgomery, John E. E. Kingman, Ronald B. Livesay | 1999-03-09 |
| 5319610 | Hydraulic acoustic wave generator system for drillstrings | — | 1994-06-07 |
| 5253217 | Method for seismic exploration including compensation for near surface effects | Mahlon G. Justice, Jr. | 1993-10-12 |
| 5154254 | Mass retrieval for acoustic pulse generator | David Thompson, Andrew B. Woodrow, Gary M. Karner | 1992-10-13 |
| 5010976 | Characterization of the full elastic effect of the near surface on seismic waves | — | 1991-04-30 |
| 5000285 | Apparatus for imparting seismic signals into the earth | — | 1991-03-19 |
| 4991685 | Downhole seismic source | — | 1991-02-12 |
| 4967870 | Alignment restoration means for use in seismic apparatus | — | 1990-11-06 |
| RE33257 | Mounting and control means for full waveform seismic source | — | 1990-07-10 |
| 4875544 | Transducer for inducing seismic signals into an elastic medium | — | 1989-10-24 |
| 4848512 | Vibratory seismic source | — | 1989-07-18 |
| 4819759 | Telescoping actuator for impulsive seismic source | — | 1989-04-11 |
| 4804062 | Baseplate assembly for seismic wave generator | — | 1989-02-14 |
| 4803669 | Three-component three-dimensional seismic data acquisition | — | 1989-02-07 |
| 4799572 | Amphibious seismic source | — | 1989-01-24 |
| 4739857 | Seismic source using self-propelled projectile | — | 1988-04-26 |
| 4721181 | Base plate locator for seismic source | Andrew B. Woodrow | 1988-01-26 |
| 4719607 | Full wave field vibratory seismic source | — | 1988-01-12 |
| 4702344 | Vent means for closed air system impact-type seismic source | — | 1987-10-27 |
| 4660674 | Mounting and control means for full waveform seismic source | — | 1987-04-28 |
| 4660675 | Vibratory seismic source for generating combined compressional and shear waves | — | 1987-04-28 |
| 4655314 | Vibratory seismic source for generating combined compressional and shear waves | — | 1987-04-07 |
| 4402381 | Vehicle mounting and deployment arrangement for seismic source | — | 1983-09-06 |
| 4284165 | Acoustic pulse generator | Henry R. Barta | 1981-08-18 |
| 4284164 | Acoustic pulse generator | — | 1981-08-18 |