Assignee
XU YING QING
US·6 granted patents·2 pending applications·33 citations·filing 2009–2012
Top patents by PatentIndex Score
8 records- 0193US8668006B2Ball seat having ball support memberXU YING QING·Filed 2011·Granted Mar 11, 2014·21 cites·8 claims
- 0286US8869898B2System and method for pinpoint fracturing initiation using acids in open hole wellboresXU YING QING·Filed 2011·Granted Oct 28, 2014·10 cites·15 claims
- 0367US9626064B2Presentation facilitationXU YING-QING·Filed 2009·Granted Apr 18, 2017·0 cites·20 claims
- 0464US8561724B2Expanding mill having camming sleeve for extending cutting bladeXU YING QING·Filed 2011·Granted Oct 22, 2013·2 cites·18 claims
- 0549US8689878B2Junk basket with self clean assembly and methods of using sameXU YING QING·Filed 2012·Granted Apr 8, 2014·0 cites·12 claims
- 0642US9080401B2Fluid driven pump for removing debris from a wellbore and methods of using sameXU YING QING·Filed 2012·Granted Jul 14, 2015·0 cites·20 claims
- 0741US2013341027A1Downhole debris removal tool and methods of using sameXU YING QING·Filed 2012·Application pending·0 cites
- 0839US2012261140A1Devices for reducing ball impact into ball seats and methods of reducing ball impact into ball seatsXU YING QING·Filed 2011·Application pending·0 cites
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