Patent applications and USPTO patent grants for PILOT DRILLING CONTROL LIMITED.The latest application filed is for "flow stop valve".
Patent | Date |
---|---|
Flow stop valve Grant 9,677,376 - Swietlik , et al. June 13, 2 | 2017-06-13 |
Flow stop valve Grant 9,347,286 - Swietlik , et al. May 24, 2 | 2016-05-24 |
Flow Stop Valve App 20140290959 - Swietlik; George ;   et al. | 2014-10-02 |
Flow stop valve Grant 8,776,887 - George , et al. July 15, 2 | 2014-07-15 |
Flow stop valve Grant 8,752,630 - Swietlik , et al. June 17, 2 | 2014-06-17 |
Flow stop valve and method Grant 8,590,629 - Swietlik , et al. November 26, 2 | 2013-11-26 |
Flow Stop Valve App 20130220634 - George; Swietlik ;   et al. | 2013-08-29 |
Downhole tubular connector Grant 8,381,823 - Swietlik , et al. February 26, 2 | 2013-02-26 |
Flow Stop Valve App 20130043045 - George; SWIETLIK ;   et al. | 2013-02-21 |
Downhole tubular connector Grant 8,316,930 - Clubb , et al. November 27, 2 | 2012-11-27 |
Flow Stop Valve App 20120227982 - Swietlik; George ;   et al. | 2012-09-13 |
Hydraulic connector apparatuses and methods of use with downhole tubulars Grant 8,047,278 - Swietlik , et al. November 1, 2 | 2011-11-01 |
Hydraulic connector apparatuses and methods of use with downhole tubulars Grant 8,006,753 - Swietlik , et al. August 30, 2 | 2011-08-30 |
Hydraulic connector apparatuses and methods of use with downhole tubulars Grant 8,002,028 - Swietlik , et al. August 23, 2 | 2011-08-23 |
Controller for a Downhole Tool App 20110192612 - Swietlik; George | 2011-08-11 |
Flow Stop Valve App 20110036591 - George; Swietlik ;   et al. | 2011-02-17 |
Stabilizing Downhole Tool App 20100326731 - Swietlik; George ;   et al. | 2010-12-30 |
Downhole Tubular Connector App 20100206584 - Clubb; Matthew ;   et al. | 2010-08-19 |
Downhole Tubular Connector App 20100206583 - Swietlik; George ;   et al. | 2010-08-19 |
Drill-string connector Grant 7,690,422 - Swietlik , et al. April 6, 2 | 2010-04-06 |
Hydraulic Connector Apparatuses And Methods Of Use With Downhole Tubulars App 20090200038 - Swietlik; George ;   et al. | 2009-08-13 |
Downhole drilling tool App 20080179100 - Swietlik; George ;   et al. | 2008-07-31 |
Downhole drilling tool Grant 7,377,337 - Swietlik , et al. May 27, 2 | 2008-05-27 |
Downhole fluid-tight flexible joint Grant 7,216,726 - Swietlik , et al. May 15, 2 | 2007-05-15 |
Drill string tool with bearing sleeve Grant 7,182,161 - Swietlik February 27, 2 | 2007-02-27 |
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