Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4646856 | Downhole motor assembly | — | 1987-03-03 |
| 4627502 | Liquid-filled collar for tool string | — | 1986-12-09 |
| 4616719 | Casing lateral wells | — | 1986-10-14 |
| 4523644 | Thermal oil recovery method | — | 1985-06-18 |
| 4484641 | Tubulars for curved bore holes | — | 1984-11-27 |
| 4436168 | Thrust generator for boring tools | — | 1984-03-13 |
| 4406332 | Rotary earth boring tool | — | 1983-09-27 |
| 4308917 | Buoyant tubulars and method for installing same in a well bore | — | 1982-01-05 |
| 4303134 | Earth boring guide | — | 1981-12-01 |