Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9507042 | System and method for constrained least-squares spectral processing and analysis of seismic data | Charles Puryear, Oleg N. Portniaguine | 2016-11-29 |
| 6985815 | Instantaneous spectral analysis | Robert W. Siegfried, II, Shengjie Sun | 2006-01-10 |
| 6970397 | Determination of fluid properties of earth formations using stochastic inversion | Luther W. White, William John Lamb | 2005-11-29 |
| 4701891 | Method and apparatus for measuring formation compression and shear wave velocity | Robert W. Siegfried, II | 1987-10-20 |