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Patent applications and USPTO patent grants for Driver; W B.The latest application filed is for "flexible/rigid drilling assembly".
Patent | Date |
---|---|
Flexible/rigid drilling assembly Grant 7,779,934 - Driver August 24, 2 | 2010-08-24 |
Downhole flexible drive system Grant 6,364,038 - Driver April 2, 2 | 2002-04-02 |
Flexible drill pipe Grant 4,233,820 - Driver November 18, 1 | 1980-11-18 |
Downhole flexible drive system Grant 4,227,584 - Driver October 14, 1 | 1980-10-14 |
Flexible drill pipe Grant 4,149,391 - Driver April 17, 1 | 1979-04-17 |
Downhole flexible drive system Grant 4,143,722 - Driver March 13, 1 | 1979-03-13 |
Downhole drilling system Grant 4,051,908 - Driver October 4, 1 | 1977-10-04 |
Flexible drill pipe Grant 4,031,713 - Driver June 28, 1 | 1977-06-28 |
Remote Control Directional Drilling System Grant 3,811,519 - Driver May 21, 1 | 1974-05-21 |
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