Inventor · disambiguated record
James Brosnahan
Also filed as: BROSNAHAN JAMES · BROSNAHAN JAMES F · BROSNAHAN JAMES FREDERICK
8 granted patents·1 pending application·345 citations·filing 1994–2019
89Inventor score
Files withGYRODATA INC6
Top patents by PatentIndex Score
9 records- 0185US5657547ARate gyro wells survey system including nulling systemGYRODATA INC·Filed 1994·Granted Aug 19, 1997·84 cites·23 claims
- 0280US7669656B2Method and apparatus for rescaling measurements while drilling in different environmentsGYRODATA INC·Filed 2007·Granted Mar 2, 2010·16 cites·16 claims
- 0379US5806195ARate gyro wells survey system including nulling systemFiled 1997·Granted Sep 15, 1998·78 cites·60 claims
- 0478US5821414ASurvey apparatus and methods for directional wellbore wireline surveyingFiled 1997·Granted Oct 13, 1998·102 cites·39 claims
- 0573US6631563B2Survey apparatus and methods for directional wellbore surveyingFiled 2002·Granted Oct 14, 2003·46 cites·39 claims
- 0647US7234539B2Method and apparatus for rescaling measurements while drilling in different environmentsGYRODATA INC·Filed 2004·Granted Jun 26, 2007·8 cites·34 claims
- 0747US2020132458A1Wellbore Survey Tool Using Coriolis Vibratory Gyroscopic SensorsGYRODATA INC·Filed 2019·Application pending·0 cites
- 0846US7942204B2Method and apparatus for rescaling measurements while drilling in different environmentsGYRODATA INC·Filed 2010·Granted May 17, 2011·0 cites·25 claims
- 0946US6588116B2Method for drilling under rivers and other obstaclesGYRODATA INC·Filed 2001·Granted Jul 8, 2003·11 cites·31 claims
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