Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6726831 | Corrosion protection of electrically heated pipe-in-pipe subsea pipeline | Ronald Marshall Bass | 2004-04-27 |
| 4816747 | Method and apparatus for electrical surveys of subsurface structures utilizing cell-to-cell techniques with correction to direct potential measurements | James B. Bushman, Clark P. Weldon | 1989-03-28 |
| 4467274 | Electrical surveys of underwater or underground structures with electrode-to-electrolyte potential correction | James B. Bushman, Clark P. Weldon | 1984-08-21 |
| 4365191 | Method and apparatus for electrical surveys of offshore metal structures with correction for distance | Clark P. Weldon, Marvin Leon Miller | 1982-12-21 |