Assignee
RATCLIFFE JAMES DAVID
GB·3 granted patents·40 citations·filing 2010–2011
Top patents by PatentIndex Score
3 records- 0186US8230932B2Multifunction downhole release tool mechanism with lost motionRATCLIFFE JAMES DAVID·Filed 2010·Granted Jul 31, 2012·22 cites·20 claims
- 0281US8689620B2Pressure balancing deviceRATCLIFFE JAMES DAVID·Filed 2011·Granted Apr 8, 2014·11 cites·20 claims
- 0378US8939039B2Load cell for a downhole load measuring toolRATCLIFFE JAMES DAVID·Filed 2011·Granted Jan 27, 2015·7 cites·18 claims
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