Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9494699 | Devices and systems for controlling harmonic distortion in seismic sources | Zhouhong Wei | 2016-11-15 |
| 9488742 | Method of seismic vibratory limits control at low frequencies | Zhouhong Wei, Ruru CHEN | 2016-11-08 |
| 9329287 | Method of seismic source independent operation | Keith Radcliffe, Bernard Maechler, Igor Samoylov | 2016-05-03 |
| 9255998 | Method of optimizing seismic vibrator output force | Russ Jay Ewert | 2016-02-09 |
| 9223040 | Method of seismic source synchronization | Bernard Maechler, Keith Radcliffe, Igor Samoylov | 2015-12-29 |
| 9121961 | Seismic frequency sweep enhancement | Zhouhong Wei | 2015-09-01 |
| 8913465 | Seismic vibrator having composite baseplate | Zhouhong Wei | 2014-12-16 |
| 8909480 | Seismic data filtering based on vibrator-coupled ground model | Zhouhong Wei | 2014-12-09 |