Issued Patents All Time
Showing 26–40 of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5803170 | Well line protective apparatus | Virgilio Garcia-Soule | 1998-09-08 |
| 5782304 | Normally closed retainer valve with fail-safe pump through capability | Virgilio Garcia-Soule, Darrin N. Towers | 1998-07-21 |
| 5368447 | Well testing or production facility transfer system | Timothy M. Young | 1994-11-29 |
| 5338001 | Valve apparatus | Craig W. Godfrey, Timothy J. Noack | 1994-08-16 |
| 5212990 | Method and apparatus for determining flow rates of well fluid constituents | Christopher A. Stout, Roger L. Schultz | 1993-05-25 |
| 5179973 | Valve with pressure assisted closing system | Rennie L. Dickson, Craig W. Godfrey, Timothy J. Noack | 1993-01-19 |
| 5050839 | Valve | Rennie L. Dickson, Craig W. Godfrey, Timothy J. Noack | 1991-09-24 |
| 4880060 | Valve control system | Timothy J. Noack | 1989-11-14 |
| 4702320 | Method and system for attaching and removing equipment from a wellhead | John C. Gano, Timothy J. Noack, Craig W. Godfrey | 1987-10-27 |
| 4636934 | Well valve control system | Oliver W. McCracken, Cary Gorten Mondon, Larry C. Wortham | 1987-01-13 |
| 4494609 | Test tree | — | 1985-01-22 |
| 4469179 | Safety system | Robert W. Crow, Michael B. Vinzant | 1984-09-04 |
| 4452305 | Kickover tool with pivot arm retraction means | — | 1984-06-05 |
| 4448216 | Subsurface safety valve | Steven C. Speegle, Michael B. Vinzant, Robert W. Crow, Cary Gorten Mondon | 1984-05-15 |
| 4398601 | Parking tool for pumpdown well completion system | Olen R. Long | 1983-08-16 |