Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7395897 | Accelerated weight drop configurable for use as a shear wave seismic energy source and a method of operation thereof | Clinton R. Vedders | 2008-07-08 |
| 7058513 | Method of seismic exploration by discriminating horizontal and vertical shear waves | Bob A. Hardage | 2006-06-06 |
| 6831877 | System and method for determining an azimuth of a seismic energy source | Bob A. Hardage | 2004-12-14 |
| 6564150 | System and method for orienting seismic energy receivers to yield discriminated vertical shear waves | Bob A. Hardage, James Simmons | 2003-05-13 |
| 6498990 | System and method for orienting seismic energy sources and receivers to yield discriminated horizontal and vertical shear waves | Bob A. Hardage, James Simmons | 2002-12-24 |