Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6607030 | Fluid-driven alternator having an internal impeller | William H. Bauer, Edward C. Fraser | 2003-08-19 |
| 5333686 | Measuring while drilling system | Susanne F. Vaughan | 1994-08-02 |
| 5027129 | Gimballed antenna | Louis H. Rorden, Neil H. Akkerman | 1991-06-25 |
| 5008664 | Apparatus for inductively coupling signals between a downhole sensor and the surface | Edward C. Fraser, Lawrence R. Bulduc | 1991-04-16 |
| 4926188 | Gimballed antenna | Louis H. Rorden, Neil H. Akkerman | 1990-05-15 |
| 4891734 | Vibration mount for electronic assemblies | John L. Marsh | 1990-01-02 |
| 4823125 | Method and apparatus for stabilizing a communication sensor in a borehole | Louis H. Rorden | 1989-04-18 |
| 4617960 | Verification of a surface controlled subsurface actuating device | — | 1986-10-21 |
| 4601100 | Method for making logging sleeve | Christopher E. Koch | 1986-07-22 |
| 4494072 | Well logging apparatus with replaceable sensor carrying insulating sleeve disposed in rotation restrained position around a drill string | John D. Jeter | 1985-01-15 |
| 4483393 | Well logging apparatus and method for making same | Christopher E. Koch | 1984-11-20 |
| 4356629 | Method of making well logging apparatus | John D. Jeter | 1982-11-02 |
| 4336564 | Solenoid control circuit | Waldemar S. Wisniewski | 1982-06-22 |
| 4216536 | Transmitting well logging data | — | 1980-08-05 |