Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4582132 | Wellhead expansion assembly | Odell C. Masters | 1986-04-15 |
| 4407369 | Method and apparatus for placing a cement thermal packer | Stanley O. Hutchison | 1983-10-04 |
| 4401160 | Dome-type packoff wellhead | Stanley O. Hutchison | 1983-08-30 |
| 4399865 | Concentric steaming string downhole apparatus | Stanley O. Hutchison | 1983-08-23 |
| 4187911 | Slant hole foam cleanout | Stanley O. Hutchison | 1980-02-12 |