Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5440928 | Nulling and measuring system | Karl Pelegrin | 1995-08-15 |
| 4955232 | Floated gravity gradiometer and method | Melvin Eisner | 1990-09-11 |
| 4581932 | Tuned borehole gravity gradiometer | Anthony G. Nekut, Jr. | 1986-04-15 |
| 4513618 | Gravity gradiometer and method | — | 1985-04-30 |
| 4457077 | Borehole gradiometer | — | 1984-07-03 |
| 4457168 | Automated borehole gravity meter system | Jimmy D. Wirtz | 1984-07-03 |
| 4458340 | Borehole sonic method for porosity characterization | — | 1984-07-03 |
| 4445371 | Gravity meter and method | — | 1984-05-01 |
| 4255969 | Ring laser gravity gradiometer | — | 1981-03-17 |
| 4252190 | Wireline stabilization method and apparatus | Alfred H. Jageler | 1981-02-24 |
| 4215578 | Dipole mass laser-based gravity gradiometer | — | 1980-08-05 |