Inventor · disambiguated record
Jiaqing Yu
Also filed as: YU JIAQING
25 granted patents·6 pending applications·409 citations·filing 2003–2024
96Inventor score
Top patents by PatentIndex Score
31 records- 0199US8091655B2Rolling cutterSHEN YUELIN·Filed 2010·Granted Jan 10, 2012·49 cites·30 claims
- 0299US7703559B2Rolling cutterSMITH INTERNATIONAL·Filed 2006·Granted Apr 27, 2010·109 cites·16 claims
- 0398US8413746B2Rolling cutterSHEN YUELIN·Filed 2011·Granted Apr 9, 2013·38 cites·17 claims
- 0497US9033070B2Rolling cutterSMITH INTERNATIONAL·Filed 2014·Granted May 19, 2015·18 cites·20 claims
- 0597US8800691B2Rolling cutterSMITH INTERNATIONAL·Filed 2013·Granted Aug 12, 2014·18 cites·20 claims
- 0695USRE47369ERolling cutterSMITH INTERNATIONAL·Filed 2017·Granted Apr 30, 2019·6 cites·54 claims
- 0793US7543661B2Roller cone bits with wear and fracture resistant surfaceSMITH INTERNATIONAL·Filed 2006·Granted Jun 9, 2009·24 cites·7 claims
- 0892US9187962B2Methods of attaching rolling cutters in fixed cutter bits using sleeve, compression spring, and/or pin(s)/ball(s)BURHAN YURI·Filed 2012·Granted Nov 17, 2015·25 cites·26 claims
- 0991US11499378B2Blade cap force modulation system for a drill bitCNPC USA CORP·Filed 2020·Granted Nov 15, 2022·4 cites·16 claims
- 1090US11365589B2Cutting element with non-planar cutting edgesCNPC USA CORP·Filed 2020·Granted Jun 21, 2022·3 cites·12 claims
- 1189US11591858B2Cutting elements with increased curvature cutting edgesCNPC USA CORP·Filed 2020·Granted Feb 28, 2023·3 cites·14 claims
- 1287US7048080B2Roller cone bits with wear and fracture resistant surfaceSMITH INTERNATIONAL·Filed 2003·Granted May 23, 2006·32 cites·15 claims
- 1386US7188691B2Metal seal with impact-absorbing ringSMITH INTERNATIONAL·Filed 2004·Granted Mar 13, 2007·27 cites·44 claims
- 1484US7347290B2Multi-part energizer for mechanical seal assemblySMITH INTERNATIONAL·Filed 2004·Granted Mar 25, 2008·24 cites·47 claims
- 1578US11499377B2Force modulation system for a drill bitCNPC USA CORP·Filed 2020·Granted Nov 15, 2022·1 cites·14 claims
- 1673US7757789B2Drill bit and insert having bladed interface between substrate and coatingSMITH INTERNATIONAL·Filed 2005·Granted Jul 20, 2010·16 cites·40 claims
- 1769US12011773B2Cutting elements with reduced variable back rake angleCNPC USA CORP·Filed 2021·Granted Jun 18, 2024·0 cites·9 claims
- 1868US2024093556A1Cutting Elements with Ridged and Inclined Cutting FaceCNPC USA CORP·Filed 2023·Application pending·0 cites
- 1967USRE48455ERolling cutterSMITH INTERNATIONAL·Filed 2019·Granted Mar 2, 2021·0 cites·45 claims
- 2065US11808090B2Force modulation system for a drill bitCNPC USA CORP·Filed 2022·Granted Nov 7, 2023·0 cites·12 claims
- 2165USD875147SDrill bitSEED TECH CORP LTD·Filed 2018·Granted Feb 11, 2020·11 cites·1 claims
- 2263US11879296B2Blade cap force modulation system for a drill bitCNPC USA CORP·Filed 2022·Granted Jan 23, 2024·0 cites·9 claims
- 2363US10975628B2Drill bit nozzle and drill bitSEED TECH CORP LTD·Filed 2018·Granted Apr 13, 2021·1 cites·8 claims
- 2458US2022003046A1Cutting Elements with Ridged and Inclined Cutting FaceCNPC USA CORP·Filed 2021·Application pending·0 cites
- 2554US11401749B2Cutting element with reduced frictionCNPC USA CORP·Filed 2020·Granted Aug 2, 2022·0 cites·16 claims
- 2650US12435585B1Hydraulic control apparatus and method for a downhole toolCNPC USA CORP·Filed 2024·Granted Oct 7, 2025·0 cites·20 claims
- 2743US9850717B2Methods for designing fixed cutter bits and bits made using such methodsSMITH INTERNATIONAL·Filed 2013·Granted Dec 26, 2017·0 cites·14 claims
- 2843US2014353046A1Hybrid bit with roller cones near the bit axisSMITH INTERNATIONAL·Filed 2014·Application pending·0 cites
- 2939US2014262537A1Cutting element with improved substrate materialSMITH INTERNATIONAL·Filed 2013·Application pending·0 cites
- 3039US2013312480A1Bulk nano-structured low carbon steel and method of manufacturing the sameSUN LIXIN·Filed 2011·Application pending·0 cites
- 3135US2016348440A1Hybrid drill bitSMITH INTERNATIONAL·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →