Inventor · disambiguated record
Baozhi Zhu
Also filed as: ZHU BAOZHI
10 granted patents·1 pending application·29 citations·filing 2012–2020
83Inventor score
Top patents by PatentIndex Score
11 records- 0191US9856710B2Tube arrangement to enhance sealing between tubular membersVETCO GRAY INC·Filed 2013·Granted Jan 2, 2018·17 cites·8 claims
- 0289US10184311B2Wellhead seal assembly with lockdown and slotted arrangementVETCO GRAY INC·Filed 2015·Granted Jan 22, 2019·7 cites·18 claims
- 0369US11713639B2Pressure energized seal with groove profileBAKER HUGHES OILFIELD OPERATIONS LLC·Filed 2020·Granted Aug 1, 2023·1 cites·20 claims
- 0467US10428594B2Alignment guide feature for metal to metal seal protection on mechanical connections and couplingsVETCO GRAY INC·Filed 2014·Granted Oct 1, 2019·3 cites·9 claims
- 0551US10968716B2Wellhead profile with increased fatigue resistanceVETCO GRAY LLC·Filed 2019·Granted Apr 6, 2021·0 cites·20 claims
- 0651US9057231B2Energizing ring divot back-out lockBARNHART DANIEL R·Filed 2012·Granted Jun 16, 2015·1 cites·19 claims
- 0749US10822907B2Wellbore seal energizing ring with retaining featureVETCO GRAY LLC·Filed 2019·Granted Nov 3, 2020·0 cites·19 claims
- 0848US10025889B2Stress amplification factor analysis methodology for assessing fatigue performance of threaded connectorsVETCO GRAY INC·Filed 2014·Granted Jul 17, 2018·0 cites·21 claims
- 0945US9732582B2Wellbore sealing with hybrid wicker systemVETCO GRAY INC·Filed 2014·Granted Aug 15, 2017·0 cites·17 claims
- 1041US10233711B2Wellbore seal energizing ring with retaining featureVETCO GRAY INC·Filed 2015·Granted Mar 19, 2019·0 cites·20 claims
- 1132US2018305984A1Self-limiting c-ring system and methodVETCO GRAY INC·Filed 2017·Application pending·0 cites
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