Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11300697 | Modified baseplate for sandy soil | — | 2022-04-12 |
| 9494699 | Devices and systems for controlling harmonic distortion in seismic sources | Thomas Phillips | 2016-11-15 |
| 9488742 | Method of seismic vibratory limits control at low frequencies | Thomas Phillips, Ruru CHEN | 2016-11-08 |
| 9121961 | Seismic frequency sweep enhancement | Thomas Phillips | 2015-09-01 |
| 8913465 | Seismic vibrator having composite baseplate | Thomas Phillips | 2014-12-16 |
| 8909480 | Seismic data filtering based on vibrator-coupled ground model | Thomas Phillips | 2014-12-09 |
| 8134891 | Apparatus for generating a seismic source signal | John J. Sallas | 2012-03-13 |
| 8061471 | Seismic vibrator controlled by directly detecting base plate motion | — | 2011-11-22 |
| 7987943 | Apparatus and method for generating a seismic source signal | John Crowell, James Teske | 2011-08-02 |
| 7929380 | Apparatus and method for generating a seismic source signal | John J. Sallas | 2011-04-19 |
| 7628248 | Apparatus and method for generating a seismic source signal | John Crowell, James Teske | 2009-12-08 |