Inventor · disambiguated record
Sarah Mitchell
Also filed as: MITCHELL SARAH · MITCHELL SARAH B · MITCHELL SARAH BRIANNE
10 granted patents·1 pending application·101 citations·filing 2008–2017
89Inventor score
Technology areasE21B
Top patents by PatentIndex Score
11 records- 0193US8511377B2Open hole non-rotating sleeve and assemblyCASASSA GARRETT C·Filed 2010·Granted Aug 20, 2013·30 cites·18 claims
- 0291US8668007B2Non-rotating casing centralizerCASASSA GARRETT C·Filed 2010·Granted Mar 11, 2014·19 cites·18 claims
- 0387US9447648B2High expansion or dual link gripperWWT NORTH AMERICA HOLDINGS INC·Filed 2012·Granted Sep 20, 2016·12 cites·24 claims
- 0472US8119047B2In-situ method of forming a non-rotating drill pipe protector assemblyMOORE N BRUCE·Filed 2008·Granted Feb 21, 2012·19 cites·11 claims
- 0570US10024102B2Oscillating mud motorWWT NORTH AMERICA HOLDINGS INC·Filed 2015·Granted Jul 17, 2018·2 cites·17 claims
- 0668US9708891B2Flexible casing guide running toolWWT INT INC·Filed 2013·Granted Jul 18, 2017·5 cites·26 claims
- 0764US9702197B2Reamer shoe attachment for flexible casing shoeWWT NORTH AMERICA HOLDINGS INC·Filed 2015·Granted Jul 11, 2017·2 cites·16 claims
- 0860US7938202B2Rotating drill pipe protector attachment and fastener assemblyWWT INTERNATIONAL INC·Filed 2009·Granted May 10, 2011·7 cites·20 claims
- 0959US10760383B2Fail-safe high velocity flow casing shoeWWT NORTH AMERICA HOLDINGS INC·Filed 2017·Granted Sep 1, 2020·1 cites·19 claims
- 1056US8800664B2Non-rotating buoyancy modules for sub-sea conduitsGOLLMYER ERIC·Filed 2010·Granted Aug 12, 2014·4 cites·15 claims
- 1141US2015129200A1Slim-line casing centralizerWWT NORTH AMERICA HOLDINGS INC·Filed 2014·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →