Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5517854 | Methods and apparatus for borehole measurement of formation stress | Richard A. Plumb | 1996-05-21 |
| 5353637 | Methods and apparatus for borehole measurement of formation stress | Richard A. Plumb | 1994-10-11 |
| 5335542 | Integrated permeability measurement and resistivity imaging tool | T. Ramakrishnan, David Rossi, William F. Murphy, Richard A. Plumb, Peter A. Goode +4 more | 1994-08-09 |
| 5269180 | Borehole tool, procedures, and interpretation for making permeability measurements of subsurface formations | T. Ramakrishnan | 1993-12-14 |
| 5195588 | Apparatus and method for testing and repairing in a cased borehole | — | 1993-03-23 |