Assignee
JOHNSON DAVID LINTON
US·2 granted patents·8 citations·filing 2011–2011
Technology mixG01V2
Top patents by PatentIndex Score
2 records- 0181US8730763B2Methods and apparatus to optimize parameters in a downhole environmentJOHNSON DAVID LINTON·Filed 2011·Granted May 20, 2014·6 cites·22 claims
- 0267US8773948B2Methods and apparatus to determine slowness of drilling fluid in an annulusJOHNSON DAVID LINTON·Filed 2011·Granted Jul 8, 2014·2 cites·22 claims
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