Assignee
ZHANG ZHIHUI
CN·16 granted patents·2 pending applications·99 citations·filing 2006–2022
Top patents by PatentIndex Score
18 records- 0197US10167691B2Downhole tools having controlled disintegrationZHANG ZHIHUI·Filed 2017·Granted Jan 1, 2019·32 cites·24 claims
- 0294US9789663B2Degradable metal composites, methods of manufacture, and uses thereofZHANG ZHIHUI·Filed 2014·Granted Oct 17, 2017·14 cites·27 claims
- 0392US10221642B2Downhole tools having controlled degradation and methodZHANG ZHIHUI·Filed 2017·Granted Mar 5, 2019·9 cites·24 claims
- 0492US10221643B2Downhole tools having controlled degradation and methodZHANG ZHIHUI·Filed 2017·Granted Mar 5, 2019·9 cites·27 claims
- 0592US9910026B2High temperature tracers for downhole detection of produced waterZHANG ZHIHUI·Filed 2015·Granted Mar 6, 2018·7 cites·21 claims
- 0691US10221641B2Downhole tools having controlled degradation and methodZHANG ZHIHUI·Filed 2017·Granted Mar 5, 2019·8 cites·22 claims
- 0790US10975658B2Wellbore isolation barrier including negative thermal expansion materialZHANG ZHIHUI·Filed 2019·Granted Apr 13, 2021·3 cites·18 claims
- 0889US11692418B2Inflow control device, method and systemZHANG ZHIHUI·Filed 2021·Granted Jul 4, 2023·2 cites·16 claims
- 0984US9970249B2Degradable anchor device with granular materialZHANG ZHIHUI·Filed 2014·Granted May 15, 2018·8 cites·19 claims
- 1077USD954783SRound folding backdropZHANG ZHIHUI·Filed 2021·Granted Jun 14, 2022·6 cites·1 claims
- 1170US11851967B2Disintegrable downhole tools and method of useZHANG ZHIHUI·Filed 2022·Granted Dec 26, 2023·0 cites·21 claims
- 1268US10997305B2Information processing device, information processing method, and distributed componentZHANG ZHIHUI·Filed 2017·Granted May 4, 2021·1 cites·17 claims
- 1360US11118687B2Plug systemZHANG ZHIHUI·Filed 2019·Granted Sep 14, 2021·0 cites·14 claims
- 1458US11306559B2Degradable anchoring device with gavanic corrosion resistant component interfaceZHANG ZHIHUI·Filed 2019·Granted Apr 19, 2022·0 cites·20 claims
- 1541US2012311331A1Logon verification apparatus, system and method for performing logon verificationZHANG ZHIHUI·Filed 2012·Application pending·0 cites
- 1640US2023258055A1Trigger for downhole tool, method and systemZHANG ZHIHUI·Filed 2022·Application pending·0 cites
- 1736US8199694B2Method for switching service option to circuit dataZHANG ZHIHUI·Filed 2006·Granted Jun 12, 2012·0 cites·20 claims
- 1827US9009464B2Anonymous register system and method thereofZHANG ZHIHUI·Filed 2010·Granted Apr 14, 2015·0 cites·11 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →