Inventor · disambiguated record
Eric Trevor Ensley
Also filed as: ENSLEY ERIC T · ENSLEY ERIC TREVOR
24 granted patents·376 citations·filing 2004–2019
96Inventor score
Files withNAT OILWELL VARCO LP8SPRINGETT FRANK BENJAMIN6VARCO INT4WEIR JAMES WILLIAM2ENSLEY ERIC TREVOR1
Top patents by PatentIndex Score
24 records- 0194US8424607B2System and method for severing a tubularSPRINGETT FRANK BENJAMIN·Filed 2011·Granted Apr 23, 2013·26 cites·28 claims
- 0293US7926501B2Subsea pressure systems for fluid recoveryNAT OILWELL VARCO LP·Filed 2007·Granted Apr 19, 2011·29 cites·18 claims
- 0392US10337638B2Slow-shift SPM valveNAT OILWELL VARCO LP·Filed 2015·Granted Jul 2, 2019·7 cites·19 claims
- 0491US8720564B2Tubular severing system and method of using sameSPRINGETT FRANK BENJAMIN·Filed 2011·Granted May 13, 2014·18 cites·47 claims
- 0590US8807219B2Blowout preventer blade assembly and method of using sameSPRINGETT FRANK BENJAMIN·Filed 2011·Granted Aug 19, 2014·13 cites·37 claims
- 0690US7055594B1Pipe gripper and top drive systemsVARCO INT·Filed 2004·Granted Jun 6, 2006·92 cites·10 claims
- 0789US7350587B2Pipe guideVARCO INT·Filed 2005·Granted Apr 1, 2008·38 cites·20 claims
- 0888US9022104B2Blowout preventer blade assembly and method of using sameSPRINGETT FRANK BENJAMIN·Filed 2011·Granted May 5, 2015·11 cites·15 claims
- 0988US8720565B2Tubular severing system and method of using sameSPRINGETT FRANK BENJAMIN·Filed 2011·Granted May 13, 2014·13 cites·25 claims
- 1085US8544538B2System and method for sealing a wellboreWEIR JAMES WILLIAM·Filed 2010·Granted Oct 1, 2013·10 cites·35 claims
- 1184US8540017B2Method and system for sealing a wellboreENSLEY ERIC TREVOR·Filed 2010·Granted Sep 24, 2013·12 cites·36 claims
- 1284US7360603B2Methods and apparatuses for wellbore operationsVARCO INT·Filed 2005·Granted Apr 22, 2008·28 cites·19 claims
- 1380US8464525B2Subsea power fluid recovery systemsSPRINGETT FRANK BENJAMIN·Filed 2008·Granted Jun 18, 2013·19 cites·25 claims
- 1476US9869148B2Wellsite connector with floating seal member and method of using sameNAT OILWELL VARCO LP·Filed 2013·Granted Jan 16, 2018·4 cites·28 claims
- 1576US8978698B2Blowout preventer monitoring system and method of using sameLIOTTA JOSEPH JAMES·Filed 2011·Granted Mar 17, 2015·6 cites·51 claims
- 1671US9580987B2Spherical blowout preventer with energizeable packer seal and method of using sameNAT OILWELL VARCO LP·Filed 2014·Granted Feb 28, 2017·4 cites·32 claims
- 1771US7051990B2Blowout preventer and movable bonnet supportVARCO INT·Filed 2004·Granted May 30, 2006·36 cites·18 claims
- 1867US9260932B2Blowout preventer ram assembly and method of using sameWEIR JAMES WILLIAM·Filed 2011·Granted Feb 16, 2016·3 cites·25 claims
- 1966US8616861B2Super efficient regulatorWEAVER WALTER WARREN·Filed 2010·Granted Dec 31, 2013·4 cites·13 claims
- 2065US9410383B2Method and apparatus for connecting tubulars of a wellsiteNAT OILWELL VARCO LP·Filed 2013·Granted Aug 9, 2016·2 cites·24 claims
- 2161US9500096B2Super efficient regulatorNAT OILWELL VARCO LP·Filed 2013·Granted Nov 22, 2016·0 cites·18 claims
- 2259US11536390B2Slow-shift SPM valveNAT OILWELL VAREO L P·Filed 2019·Granted Dec 27, 2022·0 cites·18 claims
- 2356US9428994B2Blowout preventer monitor with trigger sensor and method of using sameNAT OILWELL VARCO LP·Filed 2014·Granted Aug 30, 2016·1 cites·33 claims
- 2449US9708877B2Blowout preventer monitoring system and method of using sameNAT OILWELL VARCO LP·Filed 2015·Granted Jul 18, 2017·0 cites·32 claims
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