Inventor · disambiguated record
David Trevor Darnell
Also filed as: DARNELL DAVID TREVOR
3 granted patents·39 citations·filing 2001–2011
67Inventor score
Technology areasE21B
Top patents by PatentIndex Score
3 records- 0180US8028755B2Quick lock wireline valve/blow-out preventor and methods for making and using sameCLEARWATER INT LLC·Filed 2007·Granted Oct 4, 2011·28 cites·54 claims
- 0242US7299872B2Hydraulic-mechanical jar toolWEATHERFORD LAMB·Filed 2001·Granted Nov 27, 2007·11 cites·21 claims
- 0331US8732934B2ConnectorDARNELL DAVID TREVOR·Filed 2011·Granted May 27, 2014·0 cites·27 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →