Inventor · disambiguated record
Youhe Zhang
Also filed as: ZHANG YOUHE · ZHANG YOUHE JOHN
124 granted patents·27 pending applications·1,772 citations·filing 2000–2023
99Inventor score
Files withSMITH INTERNATIONAL85SCHLUMBERGER TECHNOLOGY CORP18SHEN YUELIN13ZHANG YOUHE12SHENZHEN GALAXYPIXEL ELECTRONICS CO LTD4
Top patents by PatentIndex Score
151 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
- 0398US8881849B2Rolling cutter bit designSHEN YUELIN·Filed 2011·Granted Nov 11, 2014·66 cites·20 claims
- 0498US8413746B2Rolling cutterSHEN YUELIN·Filed 2011·Granted Apr 9, 2013·38 cites·17 claims
- 0598US8328891B2Methods of forming thermally stable polycrystalline diamond cuttersZHANG YOUHE·Filed 2009·Granted Dec 11, 2012·58 cites·16 claims
- 0698US7493973B2Polycrystalline diamond materials having improved abrasion resistance, thermal stability and impact resistanceSMITH INTERNATIONAL·Filed 2005·Granted Feb 24, 2009·148 cites·28 claims
- 0797US9145743B2Cutting elements having cutting edges with continuous varying radii and bits incorporating the sameSMITH INTERNATIONAL·Filed 2013·Granted Sep 29, 2015·42 cites·20 claims
- 0897US9033070B2Rolling cutterSMITH INTERNATIONAL·Filed 2014·Granted May 19, 2015·18 cites·20 claims
- 0997US8800691B2Rolling cutterSMITH INTERNATIONAL·Filed 2013·Granted Aug 12, 2014·18 cites·20 claims
- 1097US8567531B2Cutting elements, methods for manufacturing such cutting elements, and tools incorporating such cutting elementsBELNAP J DANIEL·Filed 2010·Granted Oct 29, 2013·25 cites·80 claims
- 1197US7757785B2Modified cutters and a method of drilling with modified cuttersSMITH INTERNATIONAL·Filed 2007·Granted Jul 20, 2010·63 cites·40 claims
- 1297US7533740B2Thermally stable polycrystalline diamond cutting elements and bits incorporating the sameSMITH INTERNATIONAL·Filed 2006·Granted May 19, 2009·167 cites·39 claims
- 1396US10287825B2Cutting elements having non-planar surfaces and downhole cutting tools using such cutting elementsSMITH INTERNATIONAL·Filed 2015·Granted May 14, 2019·18 cites·22 claims
- 1496US9776917B2Coating on PDC/TSP cutter for accelerated leachingSMITH INTERNATIONAL·Filed 2015·Granted Oct 3, 2017·28 cites·20 claims
- 1596US8991523B2Rolling cutter assembled directly to the bit pocketsSHEN YUELIN·Filed 2011·Granted Mar 31, 2015·41 cites·43 claims
- 1696US8037951B2Cutter having shaped working surface with varying edge chamferSMITH INTERNATIONAL·Filed 2010·Granted Oct 18, 2011·37 cites·9 claims
- 1795USRE47369ERolling cutterSMITH INTERNATIONAL·Filed 2017·Granted Apr 30, 2019·6 cites·54 claims
- 1895US9322219B2Rolling cutter using pin, ball or extrusion on the bit body as attachment methodsSMITH INTERNATIONAL·Filed 2012·Granted Apr 26, 2016·24 cites·27 claims
- 1995US8727043B2Cutter assemblies, downhole tools incorporating such cutter assemblies and methods of making such downhole toolsZHANG YOUHE·Filed 2010·Granted May 20, 2014·25 cites·27 claims
- 2095US8347990B2Matrix bit bodies with multiple matrix materialsSMITH INTERNATIONAL·Filed 2009·Granted Jan 8, 2013·13 cites·24 claims
- 2194US12031384B2Cutting elements having non-planar surfaces and downhole cutting tools using such cutting elementsSCHLUMBERGER TECHNOLOGY CORP·Filed 2021·Granted Jul 9, 2024·3 cites·19 claims
- 2294US11578538B2Cutting element with nonplanar face to improve cutting efficiency and durabilitySCHLUMBERGER TECHNOLOGY CORP·Filed 2021·Granted Feb 14, 2023·6 cites·20 claims
- 2394US11215012B2Cutting elements having non-planar surfaces and downhole cutting tools using such cutting elementsSMITH INTERNATIONAL·Filed 2019·Granted Jan 4, 2022·8 cites·22 claims
- 2494US11098532B2Cutting elements having non-planar surfaces and tools incorporating the sameSMITH INTERNATIONAL·Filed 2018·Granted Aug 24, 2021·9 cites·20 claims
- 2594US9976356B2Rolling cutter with retaining ringSMITH INTERNATIONAL·Filed 2017·Granted May 22, 2018·9 cites·18 claims
- 2694US9605486B2Rolling cutter with close loop retaining ringSMITH INTERNATIONAL·Filed 2013·Granted Mar 28, 2017·18 cites·22 claims
- 2794US9284790B2Innovative cutting element and cutting structure using sameZHANG YOUHE·Filed 2012·Granted Mar 15, 2016·20 cites·26 claims
- 2894US8157029B2Thermally stable polycrystalline diamond cutting elements and bits incorporating the sameZHANG YOUHE·Filed 2010·Granted Apr 17, 2012·15 cites·26 claims
- 2994US8113303B2Modified cutters and a method of drilling with modified cuttersZHANG YOUHE·Filed 2010·Granted Feb 14, 2012·16 cites·5 claims
- 3094US7726420B2Cutter having shaped working surface with varying edge chamferSMITH INTERNATIONAL·Filed 2005·Granted Jun 1, 2010·71 cites·45 claims
- 3193US10267096B2Drill bit rolling element with retaining ringSMITH INTERNATIONAL·Filed 2018·Granted Apr 23, 2019·7 cites·20 claims
- 3293US9683410B2Cutter assemblies, downhole tools incorporating such cutter assemblies and methods of making such downhole toolsSMITH INTERNATIONAL·Filed 2014·Granted Jun 20, 2017·15 cites·18 claims
- 3393US9464486B2Rolling cutter with bottom supportSMITH INTERNATIONAL·Filed 2013·Granted Oct 11, 2016·18 cites·18 claims
- 3493US8028771B2Polycrystalline diamond constructions having improved thermal stabilitySMITH INTERNATIONAL·Filed 2008·Granted Oct 4, 2011·33 cites·17 claims
- 3593US7798257B2Shaped cutter surfaceSMITH INTERNATIONAL·Filed 2005·Granted Sep 21, 2010·54 cites·39 claims
- 3692US9291000B2Rolling cutter with improved rolling efficiencySMITH INTERNATIONAL·Filed 2012·Granted Mar 22, 2016·17 cites·24 claims
- 3792US9187962B2Methods 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
- 3892USRE45748EModified cutters and a method of drilling with modified cuttersZHANG YOUHE·Filed 2014·Granted Oct 13, 2015·11 cites·39 claims
- 3992US8066087B2Thermally stable ultra-hard material compact constructionsGRIFFO ANTHONY·Filed 2007·Granted Nov 29, 2011·52 cites·10 claims
- 4091US10480252B2Cutting elements, methods for manufacturing such cutting elements, and tools incorporating such cutting elementsSMITH INTERNATIONAL·Filed 2018·Granted Nov 19, 2019·2 cites·21 claims
- 4191US9016409B2Rolling cutter placement on PDC bitsZHANG YOUHE·Filed 2011·Granted Apr 28, 2015·15 cites·35 claims
- 4291US8702825B2Composite cutter substrate to mitigate residual stressSHEN YUELIN·Filed 2011·Granted Apr 22, 2014·4 cites·37 claims
- 4391US8309050B2Polycrystalline diamond materials having improved abrasion resistance, thermal stability and impact resistanceKESHAVAN MADAPUSI K·Filed 2009·Granted Nov 13, 2012·30 cites·20 claims
- 4490US9739097B2Polycrystalline diamond compact cutters with conic shaped endZHANG YOUHE·Filed 2012·Granted Aug 22, 2017·14 cites·22 claims
- 4589US12241312B2Cutting tool with pre-formed segmentSCHLUMBERGER TECHNOLOGY CORP·Filed 2023·Granted Mar 4, 2025·1 cites·17 claims
- 4689US9624731B2Rolling cutter with side retentionSMITH INTERNATIONAL·Filed 2012·Granted Apr 18, 2017·13 cites·20 claims
- 4789US9328564B2Cutting elements retained within sleevesSMITH INTERNATIONAL·Filed 2013·Granted May 3, 2016·13 cites·18 claims
- 4888US10774596B2Rolling cutter stabilitySMITH INTERNATIONAL·Filed 2016·Granted Sep 15, 2020·7 cites·20 claims
- 4988US10337257B2Customized drilling toolsSMITH INTERNATIONAL·Filed 2017·Granted Jul 2, 2019·5 cites·20 claims
- 5087US11091960B2Placement of non-planar cutting elementsSMITH INTERNATIONAL·Filed 2018·Granted Aug 17, 2021·5 cites·20 claims
Showing the top 50 of 151 patent records by PatentIndex Score.
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