Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6182762 | Storm valve | — | 2001-02-06 |
| 5975211 | Wellhead bore isolation tool | — | 1999-11-02 |
| 5857524 | Liner hanging, sealing and cementing tool | Patrick C. Hyde | 1999-01-12 |
| 5443124 | Hydraulic port collar | Edward T. Wood, Robert T. Brooks, Michael Dion, Derrel G. Gurley | 1995-08-22 |
| 4735268 | Mechanical setting tool | Richard A. Sukup | 1988-04-05 |
| 4708202 | Drillable well-fluid flow control tool | Richard A. Sukup | 1987-11-24 |
| 4679624 | Hydraulic setting tool | Richard A. Sukup | 1987-07-14 |
| 4397351 | Packer tool for use in a wellbore | — | 1983-08-09 |
| 4317486 | Cementing head apparatus and method of operation | — | 1982-03-02 |
| 4274489 | Retrievable bridge plug and method of setting | — | 1981-06-23 |
| 4246967 | Cementing head apparatus and method of operation | — | 1981-01-27 |