Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6439310 | Real-time reservoir fracturing process | Gary L. Covatch | 2002-08-27 |
| 6440061 | Laparoscopic instrument system for real-time biliary exploration and stone removal | Donald E. Wenner | 2002-08-27 |
| 6266995 | Portable medical gas system tester | — | 2001-07-31 |
| 6079925 | Method and apparatus for lifting oilfield goods to a derrick floor | Carl Morgan | 2000-06-27 |
| 5637088 | System for preventing needle displacement in subcutaneous venous access ports | Donald E. Wenner | 1997-06-10 |
| 5635712 | Method for monitoring the hydraulic fracturing of a subterranean formation | Harry D. Smith, Jr. | 1997-06-03 |
| 5595245 | Systems of injecting phenolic resin activator during subsurface fracture stimulation for enhanced oil recovery | — | 1997-01-21 |
| 5441110 | System and method for monitoring fracture growth during hydraulic fracture treatment | — | 1995-08-15 |
| 5413179 | System and method for monitoring fracture growth during hydraulic fracture treatment | — | 1995-05-09 |
| 5322126 | System and method for monitoring fracture growth during hydraulic fracture treatment | — | 1994-06-21 |