Assignee
XU RICHARD YINGQING
US·19 granted patents·4 pending applications·147 citations·filing 2009–2013
Top patents by PatentIndex Score
23 records- 0198US8776884B2Formation treatment system and methodXU RICHARD YINGQING·Filed 2011·Granted Jul 15, 2014·46 cites·22 claims
- 0296US8695714B2Easy drill slip with degradable materialsXU RICHARD YINGQING·Filed 2011·Granted Apr 15, 2014·32 cites·18 claims
- 0383US8109339B2Zero backlash downhole setting tool and methodXU RICHARD YINGQING·Filed 2009·Granted Feb 7, 2012·22 cites·16 claims
- 0478US9194206B2Easy drill slipXU RICHARD YINGQING·Filed 2011·Granted Nov 24, 2015·6 cites·13 claims
- 0578US8430176B2Zero backlash downhole setting tool and methodXU RICHARD YINGQING·Filed 2009·Granted Apr 30, 2013·16 cites·25 claims
- 0675US8579036B2Valving system, method of adjusting a valve and method of fracing a wellboreXU RICHARD YINGQING·Filed 2011·Granted Nov 12, 2013·4 cites·14 claims
- 0774US8662159B2Apparatus for isolating and completing multi-zone frac packsXU RICHARD YINGQING·Filed 2013·Granted Mar 4, 2014·4 cites·5 claims
- 0871US8936076B2Subterranean vibrator with lateral vibration featureXU RICHARD YINGQING·Filed 2011·Granted Jan 20, 2015·3 cites·19 claims
- 0969US8469098B2Formation treatment system and methodXU RICHARD YINGQING·Filed 2010·Granted Jun 25, 2013·3 cites·20 claims
- 1064US8720544B2Enhanced penetration of telescoping fracturing nozzle assemblyXU RICHARD YINGQING·Filed 2011·Granted May 13, 2014·2 cites·20 claims
- 1160US8967269B2Tubular valving system and methodXU RICHARD YINGQING·Filed 2011·Granted Mar 3, 2015·1 cites·18 claims
- 1259US9562409B2Downhole fracture system and methodXU RICHARD YINGQING·Filed 2010·Granted Feb 7, 2017·1 cites·19 claims
- 1358US8550166B2Self-adjusting in-flow control deviceXU RICHARD YINGQING·Filed 2009·Granted Oct 8, 2013·5 cites·18 claims
- 1458US8453727B2Downhole rotational vibratorXU RICHARD YINGQING·Filed 2011·Granted Jun 4, 2013·1 cites·15 claims
- 1557US8646532B2Valve, valving device and methodXU RICHARD YINGQING·Filed 2010·Granted Feb 11, 2014·1 cites·12 claims
- 1646US8939202B2Fracturing nozzle assembly with cyclic stress capabilityXU RICHARD YINGQING·Filed 2011·Granted Jan 27, 2015·0 cites·20 claims
- 1746US8261830B2Fishing tool and methodXU RICHARD YINGQING·Filed 2010·Granted Sep 11, 2012·0 cites·15 claims
- 1844US9045953B2System and method for fracturing a formation and a method of increasing depth of fracturing of a formationXU RICHARD YINGQING·Filed 2011·Granted Jun 2, 2015·0 cites·22 claims
- 1944US8443889B2Telescoping conduits with shape memory foam as a plug and sand control featureXU RICHARD YINGQING·Filed 2010·Granted May 21, 2013·0 cites·22 claims
- 2044US2012169043A1Flow tolerant actuating device and method of desensitizing an actuator to fluid flowXU RICHARD YINGQING·Filed 2011·Application pending·0 cites
- 2141US2013146307A1Treatment plug and method of anchoring a treatment plug and then removing a portion thereofXU RICHARD YINGQING·Filed 2011·Application pending·0 cites
- 2239US2012132440A1Expandable Screen Assembly and Method of Expanding a Plurality of ScreensXU RICHARD YINGQING·Filed 2010·Application pending·0 cites
- 2339US2012031611A1Erosion Migration Arrangement, Erodable Member and Method of Migrating a Slurry Flow PathXU RICHARD YINGQING·Filed 2010·Application pending·0 cites
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