Zhang; Youhe

Patent Applications and Registrations

Patent applications and USPTO patent grants for Zhang; Youhe.The latest application filed is for "cutting elements having non-planar surfaces and downhole cutting tools using such cutting elements".

Company Profile

24.127.133

Zhang; Youhe - Shenzhen CN
Zhang; Youhe - Spring TX
Zhang; Youhe - Huizhou CN
ZHANG; Youhe - GuangDong CN
Zhang; Youhe - Xiamen CN
Zhang; Youhe - Tomball TX US
Zhang; Youhe - Houston TX
Zhang; Youhe - Tomabll TX

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Fire resistant LED module and manufacturing method thereof Grant 11,320,131 - Li , et al. May 3, 2	2022-05-03
Metal matrix composite material for additive manufacturing of downhole tools Grant 11,313,176 - Griffo , et al. April 26, 2	2022-04-26
Cutting Elements Having Non-planar Surfaces And Downhole Cutting Tools Using Such Cutting Elements App 20220112773 - Chen; Chen ; et al.	2022-04-14
Module-rotation Led Dome App 20220102321 - Zhao; Ligang ; et al.	2022-03-31
Icosahedral Led Display Screen App 20220102329 - Zhao; Ligang ; et al.	2022-03-31
Polyhedral Led Display Screen App 20220104374 - Zhao; Ligang ; et al.	2022-03-31
LED Display Screen Layout Method App 20220093574 - ZHAO; Ligang ; et al.	2022-03-24
Split threads for fixing accessories to a body Grant 11,220,868 - Zhang , et al. January 11, 2	2022-01-11
Cutting elements having non-planar surfaces and downhole cutting tools using such cutting elements Grant 11,215,012 - Chen , et al. January 4, 2	2022-01-04
Cutting Elements Having Non-planar Surfaces And Tools Incorporating The Same App 20210381318 - Gan; Xiaoge ; et al.	2021-12-09
Customized drilling tools Grant 11,125,021 - Gan , et al. September 21, 2	2021-09-21
Cutting elements having non-planar surfaces and tools incorporating the same Grant 11,098,532 - Gan , et al. August 24, 2	2021-08-24
Placement of non-planar cutting elements Grant 11,091,960 - Zhang , et al. August 17, 2	2021-08-17
Drilling Tool Having Pre-fabricated Components App 20210222497 - Zhang; Youhe ; et al.	2021-07-22
Cutting Element With Nonplanar Face To Improve Cutting Efficiency And Durability App 20210215003 - Mahajan; Manoj ; et al.	2021-07-15
Drill bit body construction Grant 11,035,175 - Zhang , et al. June 15, 2	2021-06-15
Cutting elements having cutting edges with continuous varying radii and bits incorporating the same Grant RE48,524 - Shen , et al. April 20, 2	2021-04-20
Liquid detection device and liquid detection system for abnormal liquid on a surface Grant 10,935,508 - Zhang , et al. March 2, 2	2021-03-02
Rolling cutter Grant RE48,455 - Shen , et al. March 2, 2	2021-03-02
Cutting elements formed from combinations of materials and bits incorporating the same Grant 10,781,643 - Bao , et al. Sept	2020-09-22
Rotating cutting structures and structures for retaining the same Grant 10,774,594 - Zhang , et al. September 15, 2	2020-09-15
Rolling cutter stability Grant 10,774,596 - Zhang , et al. Sept	2020-09-15
Matrix tool bodies with erosion resistant and/or wear resistant matrix materials Grant 10,737,367 - Lockwood , et al. A	2020-08-11
Cutting Tool With Pre-formed Hardfacing Segments App 20200123858 - ZHANG; Youhe ; et al.	2020-04-23
Network connection device Grant 10,587,082 - Zhao , et al.	2020-03-10
Cutting structure of a downhole cutting tool Grant 10,526,848 - Lin , et al. J	2020-01-07
Cutting structure with blade having multiple cutting edges Grant 10,526,849 - Lin , et al. J	2020-01-07
Split Threads For Fixing Accessories To A Body App 20190383103 - Zhang; Youhe ; et al.	2019-12-19
Cutting elements, methods for manufacturing such cutting elements, and tools incorporating such cutting elements Grant 10,480,252 - Belnap , et al. Nov	2019-11-19
Cutting tools with rotating elements Grant 10,472,899 - Shi , et al. Nov	2019-11-12
PDC cutter with depressed feature Grant 10,458,190 - Zhang Oc	2019-10-29
Customized Drilling Tools App 20190323296 - Gan; Xiaoge ; et al.	2019-10-24
Cutting Elements Having Non-planar Surfaces And Downhole Cutting Tools Using Such Cutting Elements App 20190264511 - Chen; Chen ; et al.	2019-08-29
Ultra-hard material cutting elements and methods of manufacturing the same with a metal-rich intermediate layer Grant 10,350,733 - Zhao , et al. July 16, 2	2019-07-16
Customized drilling tools Grant 10,337,257 - Zhang , et al.	2019-07-02
Cutting elements having non-planar surfaces and downhole cutting tools using such cutting elements Grant 10,287,825 - Chen , et al. May 14, 2	2019-05-14
Metal Matrix Composite Material For Additive Manufacturing Of Downhole Tools App 20190128072 - Griffo; Anthony ; et al.	2019-05-02
Rolling cutter Grant RE47,369 - Shen , et al.	2019-04-30
Drill bit rolling element with retaining ring Grant 10,267,096 - Burhan , et al.	2019-04-23
Cutting Elements, Methods For Manufacturing Such Cutting Elements, And Tools Incorporating Such Cutting Elements App 20190078390 - Belnap; J. Daniel ; et al.	2019-03-14
Cutting Elements Having Non-planar Surfaces And Tools Incorporating The Same App 20190071933 - Gan; Xiaoge ; et al.	2019-03-07
Liquid Detection Device And Liquid Detection System App 20190064092 - Zhang; Youhe ; et al.	2019-02-28
Cutting Elements Formed From Combinations Of Materials And Bits Incorporating The Same App 20180363383 - Bao; Yahua ; et al.	2018-12-20
Polycrystalline diamond constructions having improved thermal stability Grant 10,124,468 - Keshavan , et al. November 13, 2	2018-11-13
Drill Bit Body Construction App 20180320449 - Zhang; Youhe ; et al.	2018-11-08
Cutter with support liner Grant 10,119,341 - Zhang , et al. November 6, 2	2018-11-06
Cutting elements, methods for manufacturing such cutting elements, and tools incorporating such cutting elements Grant 10,119,340 - Belnap , et al. November 6, 2	2018-11-06
Placement Of Non-planar Cutting Elements App 20180291691 - Zhang; Youhe ; et al.	2018-10-11
Improvements On Rolling Cutter Stability App 20180283106 - Zhang; Youhe ; et al.	2018-10-04
Rotating Cutting Structures And Structures For Retaining The Same App 20180274302 - Zhang; Youhe ; et al.	2018-09-27
Polycrystalline diamond construction with controlled gradient metal content Grant 10,076,824 - Shen , et al. September 18, 2	2018-09-18
Drill Bit Rolling Element With Retaining Ring App 20180258708 - Burhan; Yuri Y. ; et al.	2018-09-13
Rotating Elements For Downhole Cutting Tools App 20180171795 - Burhan; Yuri ; et al.	2018-06-21
Rolling cutter with retaining ring Grant 9,976,356 - Burhan , et al. May 22, 2	2018-05-22
Devices And Systems For Using Additive Manufacturing To Manufacture A Tool Crown App 20180058148 - Zhang; Youhe ; et al.	2018-03-01
Axially stable retention mechanism for picks and cutting elements Grant 9,890,636 - Hall , et al. February 13, 2	2018-02-13
Customized Drilling Tools App 20180002986 - Zhang; Youhe ; et al.	2018-01-04
Pdc Cutter With Depressed Feature App 20170284161 - Zhang; Youhe	2017-10-05
Coating on PDC/TSP cutter for accelerated leaching Grant 9,776,917 - Tessitore , et al. October 3, 2	2017-10-03
Polycrystalline diamond compact cutters with conic shaped end Grant 9,739,097 - Zhang , et al. August 22, 2	2017-08-22
Cutting Tools With Rotating Elements App 20170204673 - Shi; Jibin ; et al.	2017-07-20
Rolling Cutter With Close Loop Retaining Ring App 20170191317 - Burhan; Yuri Y. ; et al.	2017-07-06
Cutter assemblies, downhole tools incorporating such cutter assemblies and methods of making such downhole tools Grant 9,683,410 - Zhang , et al. June 20, 2	2017-06-20
Solid Pcd Cutter App 20170144272 - Eyre; Ronald K. ; et al.	2017-05-25
Rolling cutter with side retention Grant 9,624,731 - Haugvaldstad , et al. April 18, 2	2017-04-18
Rolling cutter with close loop retaining ring Grant 9,605,486 - Burhan , et al. March 28, 2	2017-03-28
Cutting Structure Of A Downhole Cutting Tool App 20170058610 - LIN Jr.; Yuanbo ; et al.	2017-03-02
Cutting Structure With Blade Having Multiple Cutting Edges App 20170058611 - Lin, Jr.; Yuanbo ; et al.	2017-03-02
Cutter With Support Liner App 20170016281 - Zhang; Youhe ; et al.	2017-01-19
Hybrid Drill Bit App 20160348440 - Gan; Xiaoge ; et al.	2016-12-01
Solid PCD cutter Grant 9,482,056 - Eyre , et al. November 1, 2	2016-11-01
Gage cutter protection for drilling bits Grant 9,464,490 - Zhang , et al. October 11, 2	2016-10-11
Rolling cutter with bottom support Grant 9,464,486 - Zhang , et al. October 11, 2	2016-10-11
Innovative Cutting Element And Cutting Structure Using Same App 20160290057 - Zhang; Youhe ; et al.	2016-10-06
Method for braze joining of carbonate PCD Grant 9,422,770 - Belnap , et al. August 23, 2	2016-08-23
Polycrystalline Diamond Construction With Controlled Gradient Metal Content App 20160229031 - Shen; Yuelin ; et al.	2016-08-11
Ultra-hard Material Cutting Elements And Methods Of Manufacturing The Same With A Metal-rich Intermediate Layer App 20160168919 - Zhao; Liang ; et al.	2016-06-16
Cutting elements retained within sleeves Grant 9,328,564 - Zhang , et al. May 3, 2	2016-05-03
Rolling cutter using pin, ball or extrusion on the bit body as attachment methods Grant 9,322,219 - Burhan , et al. April 26, 2	2016-04-26
Polycrystalline diamond construction with controlled gradient metal content Grant 9,297,211 - Shen , et al. March 29, 2	2016-03-29
Rolling cutter with improved rolling efficiency Grant 9,291,000 - Zhang , et al. March 22, 2	2016-03-22
Innovative cutting element and cutting structure using same Grant 9,284,790 - Zhang , et al. March 15, 2	2016-03-15
Modified Cutters And A Method Of Drilling With Modified Cutters App 20160032657 - Zhang; Youhe ; et al.	2016-02-04
Polycrystalline Diamond Cutting Element And Bit Body Assemblies App 20150354284 - Griffo; Anthony ; et al.	2015-12-10
Methods of attaching rolling cutters in fixed cutter bits using sleeve, compression spring, and/or pin(s)/ball(s) Grant 9,187,962 - Burhan , et al. November 17, 2	2015-11-17
Coating On Pdc/tsp Cutter For Accelerated Leaching App 20150321952 - Tessitore; Ted ; et al.	2015-11-12
Modified cutters and a method of drilling with modified cutters Grant RE45,748 - Zhang , et al. October 13, 2	2015-10-13
Cutting elements having cutting edges with continuous varying radii and bits incorporating the same Grant 9,145,743 - Shen , et al. September 29, 2	2015-09-29
Cutting Elements Having Non-planar Surfaces And Downhole Cutting Tools Using Such Cutting Elements App 20150259988 - CHEN; Chen ; et al.	2015-09-17
Cutting elements with re-processed thermally stable polycrystalline diamond cutting layers, bits incorporating the same, and methods of making the same Grant 9,115,553 - Zhang , et al. August 25, 2	2015-08-25
Fixed cutter bit partial blade connection at bit center Grant 9,103,169 - Shen , et al. August 11, 2	2015-08-11
Polycrystalline diamond composites Grant 9,097,074 - Shen , et al. August 4, 2	2015-08-04
Rolling cutter Grant 9,033,070 - Shen , et al. May 19, 2	2015-05-19
Diamond bonded construction comprising multi-sintered polycrystalline diamond Grant 9,022,148 - Shen , et al. May 5, 2	2015-05-05
Diamond Bonded Construction With Reattached Diamond Body App 20150114726 - Shen; Yuelin ; et al.	2015-04-30
Rolling cutter placement on PDC bits Grant 9,016,409 - Zhang , et al. April 28, 2	2015-04-28
Rolling cutter assembled directly to the bit pockets Grant 8,991,523 - Shen , et al. March 31, 2	2015-03-31
Matrix Tool Bodies With Erosion Resistant And/or Wear Resistant Matrix Materials App 20150082711 - Lockwood; Gregory T. ; et al.	2015-03-26
Downhole Cutting Tools Having Rolling Cutters With Non-planar Cutting Surfaces App 20150047910 - Chen; Chen ; et al.	2015-02-19
Using Magnetic Force/field For Drill Bits And Other Cutting Tools App 20150047911 - Burhan; Yuri ; et al.	2015-02-19
Matrix tool bodies with erosion resistant and/or wear resistant matrix materials Grant 8,950,518 - Lockwood , et al. February 10, 2	2015-02-10
Polycrystalline Diamond Materials Having Improved Abrasion Resistance, Thermal Stability And Impact Resistance App 20150021101 - Keshavan; Madapusi K. ; et al.	2015-01-22
Method of manufacturing a drill bit Grant 8,925,422 - Lockwood , et al. January 6, 2	2015-01-06
Diamond bonded construction with reattached diamond body Grant 8,925,656 - Shen , et al. January 6, 2	2015-01-06
Split Sleeves For Rolling Cutters App 20140360792 - Azar; Michael George ; et al.	2014-12-11
Rolling Cutter App 20140345951 - Shen; Yuelin ; et al.	2014-11-27
Axially Stable Retention Mechanism For Picks And Cutting Elements App 20140339882 - Hall; David R. ; et al.	2014-11-20
Rolling cutter bit design Grant 8,881,849 - Shen , et al. November 11, 2	2014-11-11
Rolling Cutter With Side Retention App 20140326516 - Haugvaldstad; Kjell ; et al.	2014-11-06
Rotating Cutting Elements For Pdc Bits App 20140326515 - Shi; Jibin ; et al.	2014-11-06
Atomic layer deposition nanocoatings on cutting tool powder materials Grant 8,875,813 - Zhan , et al. November 4, 2	2014-11-04
Drag bit with utility blades Grant 8,869,919 - Shen , et al. October 28, 2	2014-10-28
Polycrystalline diamond materials having improved abrasion resistance, thermal stability and impact resistance Grant 8,852,546 - Keshavan , et al. October 7, 2	2014-10-07
Composite Cutter Substrate To Mitigate Residual Stress App 20140223836 - Shen; Yuelin ; et al.	2014-08-14
Rolling cutter Grant 8,800,691 - Shen , et al. August 12, 2	2014-08-12
Cutter Assemblies, Downhole Tools Incorporating Such Cutter Assemblies And Methods Of Making Such Downhole Tools App 20140216827 - Zhang; Youhe ; et al.	2014-08-07
Rolling Cutter With Bottom Support App 20140174834 - Zhang; Youhe ; et al.	2014-06-26
Method of designing a bottom hole assembly and a bottom hole assembly Grant 8,752,656 - Zhang , et al. June 17, 2	2014-06-17
Cutter assemblies, downhole tools incorporating such cutter assemblies and methods of making such downhole tools Grant 8,727,043 - Zhang , et al. May 20, 2	2014-05-20
Pdc Bits Having Rolling Cutters And Using Mixed Chamfers App 20140124270 - Durairajan; Bala ; et al.	2014-05-08
Cutting Elements, Methods For Manufacturing Such Cutting Elements, And Tools Incorporating Such Cutting Elements App 20140124271 - Belnap; J. Daniel ; et al.	2014-05-08
Composite cutter substrate to mitigate residual stress Grant 8,702,825 - Shen , et al. April 22, 2	2014-04-22
Matrix Body Fixed Cuter Bits App 20140083019 - Lockwood; Gregory T. ; et al.	2014-03-27
Rolling Cutter With Close Loop Retaining Ring App 20140054094 - Burhan; Yuri ; et al.	2014-02-27
Cutting Elements Having Cutting Edges With Continuous Varying Radii And Bits Incorporating The Same App 20140041948 - SHEN; YUELIN ; et al.	2014-02-13
Cutting Elements With Re-processed Thermally Stable Polycrystalline Diamond Cutting Layers, Bits Incorporating The Same, And Methods Of Making The Same App 20140034396 - ZHANG; YOUHE ; et al.	2014-02-06
Cutting Elements, Methods For Manufacturing Such Cutting Elements, And Tools Incorporating Such Cutting Elements App 20140013671 - BELNAP; J. DANIEL ; et al.	2014-01-16
Pulsed electrical field assisted or spark plasma sintered polycrystalline ultra hard material and thermally stable ultra hard material cutting elements and compacts and methods of forming the same Grant 8,617,274 - Zhan , et al. December 31, 2	2013-12-31
Cutting Elements Retained Within Sleeves App 20130333953 - ZHANG; YOUHE ; et al.	2013-12-19
Matrix body fixed cutter bits Grant 8,602,129 - Lockwood , et al. December 10, 2	2013-12-10
Cutting elements with re-processed thermally stable polycrystalline diamond cutting layers, bits incorporating the same, and methods of making the same Grant 8,590,130 - Zhang , et al. November 26, 2	2013-11-26
Methods Of Forming Thermally Stable Polycrystalline Diamond Cutters App 20130291442 - Zhang; Youhe ; et al.	2013-11-07
Gage Cutter Protection For Drilling Bits App 20130292186 - ZHANG; YOUHE ; et al.	2013-11-07
Cutting elements, methods for manufacturing such cutting elements, and tools incorporating such cutting elements Grant 8,567,531 - Belnap , et al. October 29, 2	2013-10-29
Thermally stable polycrystalline diamond cutting elements and bits incorporating the same Grant 8,567,534 - Zhang , et al. October 29, 2	2013-10-29
Rolling Cutter App 20130220707 - Shen; Yuelin ; et al.	2013-08-29
Solid Pcd Cutter App 20130168159 - Eyre; Ronald K. ; et al.	2013-07-04
Method For Braze Joining Of Carbonate Pcd App 20130168158 - BELNAP; J. Daniel ; et al.	2013-07-04
Rolling Cutter With Improved Rolling Efficiency App 20130146367 - ZHANG; YOUHE ; et al.	2013-06-13
Rolling Cutter Using Pin, Ball Or Extrusion On The Bit Body As Attachment Methods App 20130140094 - BURHAN; YURI ; et al.	2013-06-06
Rolling cutter Grant 8,413,746 - Shen , et al. April 9, 2	2013-04-09
Methods Of Forming Thermally Stable Polycrystalline Diamond Cutters App 20130074420 - Zhang; Youhe ; et al.	2013-03-28
Polycrystalline Diamond Materials Having Improved Abrasion Resistance, Thermal Stability And Impact Resistance App 20130067827 - Keshavan; Madapusi K. ; et al.	2013-03-21
Brazing methods for PDC cutters Grant 8,360,176 - Zhang , et al. January 29, 2	2013-01-29
Innovative Cutting Element And Cutting Structure Using Same App 20130015000 - Zhang; Youhe ; et al.	2013-01-17
Matrix bit bodies with multiple matrix materials Grant 8,347,990 - Lockwood , et al. January 8, 2	2013-01-08
Methods of forming thermally stable polycrystalline diamond cutters Grant 8,328,891 - Zhang , et al. December 11, 2	2012-12-11
Polycrystalline diamond materials having improved abrasion resistance, thermal stability and impact resistance Grant 8,309,050 - Keshavan , et al. November 13, 2	2012-11-13
Polycrystalline Diamond Compact Cutters With Conic Shaped End App 20120273280 - Zhang; Youhe ; et al.	2012-11-01
Methods Of Attaching Rolling Cutters In Fixed Cutter Bits Using Sleeve, Compression Spring, And/or Pin(s)/ball(s) App 20120273281 - Burhan; Yuri ; et al.	2012-11-01
Coating On Pdc/tsp Cutter For Accelerated Leaching App 20120247841 - Tessitore; Ted ; et al.	2012-10-04
Thermally Stable Polycrystalline Diamond Cutting Elements And Bits Incorporating The Same App 20120199401 - Zhang; Youhe ; et al.	2012-08-09
Rolling Cutter Placement On Pdc Bits App 20120132471 - Zhang; Youhe ; et al.	2012-05-31
Thermally stable polycrystalline diamond cutting elements and bits incorporating the same Grant 8,157,029 - Zhang , et al. April 17, 2	2012-04-17
Rolling Cutter App 20120073881 - Shen; Yuelin ; et al.	2012-03-29
Modified cutters and a method of drilling with modified cutters Grant 8,113,303 - Zhang , et al. February 14, 2	2012-02-14
Cutter geometry for increased bit life and bits incorporating the same Grant 8,096,372 - Shen , et al. January 17, 2	2012-01-17
Rolling cutter Grant 8,091,655 - Shen , et al. January 10, 2	2012-01-10
Rolling Cutter Assembled Directly To The Bit Pockets App 20110297454 - Shen; Yuelin ; et al.	2011-12-08
Thermally stable ultra-hard material compact constructions Grant 8,066,087 - Griffo , et al. November 29, 2	2011-11-29
Rolling Cutter Bit Design App 20110284293 - Shen; Yuelin ; et al.	2011-11-24
Drag Bit With Utility Blades App 20110253457 - Shen; Yuelin ; et al.	2011-10-20
Cutter having shaped working surface with varying edge chamfer Grant 8,037,951 - Shen , et al. October 18, 2	2011-10-18
Polycrystalline diamond constructions having improved thermal stability Grant 8,028,771 - Keshavan , et al. October 4, 2	2011-10-04
Composite Cutter Substrate To Mitigate Residual Stress App 20110192652 - Shen; Yuelin ; et al.	2011-08-11
Matrix Bit Bodies With Multiple Matrix Materials App 20110174114 - Lockwood; Gregory T. ; et al.	2011-07-21
Thermally stable polycrystalline diamond cutting elements and bits incorporating the same Grant 7,946,363 - Zhang , et al. May 24, 2	2011-05-24
Matrix Tool Bodies With Erosion Resistant And/or Wear Resistant Matrix Materials App 20110114394 - Lockwood; Gregory T. ; et al.	2011-05-19
Drag bit with utility blades Grant 7,926,596 - Shen , et al. April 19, 2	2011-04-19
Diamond Bonded Construction Comprising Multi-Sintered Polycrystalline Diamond App 20110083908 - Shen; Yuelin ; et al.	2011-04-14
Diamond Bonded Construction with Reattached Diamond Body App 20110083909 - Shen; Yuelin ; et al.	2011-04-14
Thermally Stable Polycrystalline Diamond Constructions App 20110036643 - Belnap; J. Daniel ; et al.	2011-02-17
Cutter Having Shaped Working Surface With Varying Edge Chamfer App 20110031030 - SHEN; YUELIN ; et al.	2011-02-10
Matrix bit bodies with multiple matrix materials Grant 7,878,275 - Lockwood , et al. February 1, 2	2011-02-01
Cutter for maintaining edge sharpness Grant 7,861,808 - Zhang , et al. January 4, 2	2011-01-04
Polycrystalline composites reinforced with elongated nanostructures Grant 7,862,634 - Belnap , et al. January 4, 2	2011-01-04
Cutter Assemblies, Downhole Tools Incorporating Such Cutter Assemblies And Methods Of Making Such Downhole Tools App 20100314176 - Zhang; Youhe ; et al.	2010-12-16
Modified Cutters And A Method Of Drilling With Modified Cutters App 20100300765 - Zhang; Youhe ; et al.	2010-12-02
Cutting Elements, Methods For Manufacturing Such Cutting Elements, And Tools Incorporating Such Cutting Elements App 20100294571 - Belnap; J. Daniel ; et al.	2010-11-25
Thermally stable polycrystalline diamond cutting elements and bits incorporating the same Grant 7,836,981 - Zhang , et al. November 23, 2	2010-11-23
Cutting Elements With Re-processed Thermally Stable Polycrystalline Diamond Cutting Layers, Bits Incorporating The Same, And Methods Of Making The Same App 20100282519 - Zhang; Youhe ; et al.	2010-11-11
Thermally Stable Polycrystalline Diamond Cutting Elements And Bits Incorporating The Same App 20100270088 - Zhang; Youhe ; et al.	2010-10-28
Shaped cutter surface Grant 7,798,257 - Shen , et al. September 21, 2	2010-09-21
Rolling Cutter App 20100219001 - Shen; Yuelin ; et al.	2010-09-02
Matrix Body Fixed Cutter Bits App 20100206640 - Lockwood; Gregory T. ; et al.	2010-08-19
Brazing Methods For Pdc Cutters App 20100187020 - Zhang; Youhe ; et al.	2010-07-29
Modified cutters and a method of drilling with modified cutters Grant 7,757,785 - Zhang , et al. July 20, 2	2010-07-20
Method of Designing a Bottom Hole Assembly and a Bottom Hole Assembly App 20100155149 - Keshavan; Madapusi K. ; et al.	2010-06-24
Cutter having shaped working surface with varying edge chamfer Grant 7,726,420 - Shen , et al. June 1, 2	2010-06-01
Cutting elements and bits incorporating the same Grant 7,717,199 - Svendsen , et al. May 18, 2	2010-05-18
Matrix Bit Bodies With Multiple Matrix Materials App 20100116557 - Lockwood; Gregory T. ; et al.	2010-05-13
Rolling cutter Grant 7,703,559 - Shen , et al. April 27, 2	2010-04-27
Methods Of Forming Polycrystalline Diamond Cutters App 20100012389 - Zhang; Youhe ; et al.	2010-01-21
Pulsed Electrical Field Assisted Or Spark Plasma Sintered Polycrystalline Ultra Hard Material And Thermally Stable Ultra Hard Material Cutting Elements And Compacts And Methods Of Forming The Same App 20100005729 - Zhan; Guodong ; et al.	2010-01-14
Methods Of Forming Thermally Stable Polycrystalline Diamond Cutters App 20090313908 - Zhang; Youhe ; et al.	2009-12-24
Matrix Bit Bodies With Multiple Matrix Materials App 20090283333 - LOCKWOOD; Gregory T. ; et al.	2009-11-19
Thermally Stable Polycrystalline Diamond Cutting Elements And Bits Incorporating The Same App 20090183925 - Zhang; Youhe ; et al.	2009-07-23
Thermally Stable Polycrystalline Diamond Cutting Elements And Bits Incorporating The Same App 20090178855 - Zhang; Youhe ; et al.	2009-07-16
Polycrystalline Diamond Constructions Having Improved Thermal Stability App 20090173015 - Keshavan; Madapusi K. ; et al.	2009-07-09
Polycrystalline Diamond Materials Having Improved Abrasion Resistance, Thermal Stability and Impact Resistance App 20090166094 - Keshavan; Madapusi K. ; et al.	2009-07-02
Polycrystalline Diamond Construction With Controlled Gradient Metal Content App 20090152017 - SHEN; Yuelin ; et al.	2009-06-18
Thermally stable polycrystalline diamond cutting elements and bits incorporating the same Grant 7,533,740 - Zhang , et al. May 19, 2	2009-05-19
Drag Bit With Utility Blades App 20090065263 - Shen; Yuelin ; et al.	2009-03-12
Polycrystalline diamond materials having improved abrasion resistance, thermal stability and impact resistance Grant 7,493,973 - Keshavan , et al. February 24, 2	2009-02-24
Cutter Geometry For Increased Bit Life And Bits Incorporating The Same App 20080296070 - Shen; Yuelin ; et al.	2008-12-04
Fixed Cutter Bit Partial Blade Connection At Bit Center App 20080289881 - Shen; Yuelin ; et al.	2008-11-27
Polycrystalline Diamond Constructions Having Improved Thermal Stability App 20080223623 - Keshavan; Madapusi K. ; et al.	2008-09-18
Polycrystalline Composites Reinforced With Elongated Nanostructures App 20080209818 - Belnap; J. Daniel ; et al.	2008-09-04
Hybrid Carbon Nanotube Reinforced Composite Bodies App 20080210473 - Zhang; Youhe ; et al.	2008-09-04
Nano-reinforced Wc-co For Improved Properties App 20080179104 - Zhang; Youhe ; et al.	2008-07-31
Thermally Stable Ultra-hard Material Compact Constructions App 20080142276 - GRIFFO; Anthony ; et al.	2008-06-19
Atomic Layer Deposition Nanocoatings On Cutting Tool Powder Materials App 20080073127 - Zhan; Guodong ; et al.	2008-03-27
Polycrystalline Diamond Composites App 20080073126 - SHEN; Yuelin ; et al.	2008-03-27
Cutting elements and bits incorporating the same App 20080019786 - Svendsen; Zan ; et al.	2008-01-24
Modified Cutters App 20080006448 - Zhang; Youhe ; et al.	2008-01-10
Rolling cutter App 20070278017 - Shen; Yuelin ; et al.	2007-12-06
Cutting elements and bits incorporating the same Grant 7,287,610 - Svendsen , et al. October 30, 2	2007-10-30
Stress balanced cutting structure App 20070078632 - Shen; Yuelin ; et al.	2007-04-05
Method for making a polycrystalline diamond insert drill bit body Grant 7,159,487 - Mensa-Wilmot , et al. January 9, 2	2007-01-09
Polycrystalline diamond materials having improved abrasion resistance, thermal stability and impact resistance App 20060266559 - Keshavan; Madapusi K. ; et al.	2006-11-30
Thermally stable polycrystalline diamond cutting elements and bits incorporating the same App 20060207802 - Zhang; Youhe ; et al.	2006-09-21
Cutter for maintaining edge sharpness App 20060201712 - Zhang; Youhe ; et al.	2006-09-14
Cutting elements and bits incorporating the same App 20060065447 - Svendsen; Zan ; et al.	2006-03-30
Shaped cutter surface App 20050269139 - Shen, Yuelin ; et al.	2005-12-08
Modified cutters App 20050247486 - Zhang, Youhe ; et al.	2005-11-10
Cutter having shaped working surface with varying edge chamber App 20050247492 - Shen, Yuelin ; et al.	2005-11-10
Structure for polycrystalline diamond insert drill bit body Grant 6,823,952 - Mensa-Wilmot , et al. November 30, 2	2004-11-30
Structure for polycrystalline diamond insert drill bit body and method for making App 20040118616 - Mensa-Wilmot, Graham ; et al.	2004-06-24

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