Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5631563 | Resistivity antenna shield, wear band and stabilizer assembly for measuring-while-drilling tool | — | 1997-05-20 |
| 5613561 | Apparatus for sealing instruments in a downhole tool | — | 1997-03-25 |
| 5539225 | Accelerator-based methods and apparatus for measurement-while-drilling | William A. Loomis, Kenneth E. Stephenson, Jerome A. Truax, Wolfgang Ziegler, S. Zema Chowdhuri +6 more | 1996-07-23 |
| 5363931 | Drilling stabilizer | — | 1994-11-15 |
| 5184692 | Retrievable radiation source carrier | — | 1993-02-09 |
| 4432143 | Well logging apparatus | Lowell R. Milligan | 1984-02-21 |