| Patent | Date |
|---|
Use of Rotary Cutting Elements in Downhole Milling
App 20210115736 - Dodge; Jeffrey N. ; et al. | 2021-04-22 |
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 |
Cutter with support liner
Grant 10,119,341 - Zhang , et al. November 6, 2 | 2018-11-06 |
Improvements On Rolling Cutter Stability
App 20180283106 - Zhang; Youhe ; et al. | 2018-10-04 |
Rotating Elements For Downhole Cutting Tools
App 20180171795 - Burhan; Yuri ; et al. | 2018-06-21 |
Retention of multiple rolling cutters
Grant 9,988,853 - Cariveau , et al. June 5, 2 | 2018-06-05 |
Axially stable retention mechanism for picks and cutting elements
Grant 9,890,636 - Hall , et al. February 13, 2 | 2018-02-13 |
Method of using spring loaded blocker to retain rolling cutters or mechanical lock cutters
Grant 9,869,133 - Chen , et al. January 16, 2 | 2018-01-16 |
Polycrystalline diamond compact cutters with conic shaped end
Grant 9,739,097 - Zhang , et al. August 22, 2 | 2017-08-22 |
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 |
Retention Of Multiple Rolling Cutters
App 20170089144 - Cariveau; Peter K. ; et al. | 2017-03-30 |
Rolling cutter with close loop retaining ring
Grant 9,605,486 - Burhan , et al. March 28, 2 | 2017-03-28 |
Cutter With Support Liner
App 20170016281 - Zhang; Youhe ; et al. | 2017-01-19 |
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 |
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 |
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 |
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 |
Drill bits and methods of manufacturing such drill bits
Grant 9,004,199 - Burhan , et al. April 14, 2 | 2015-04-14 |
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 |
Using Magnetic Force/field For Drill Bits And Other Cutting Tools
App 20150047911 - Burhan; Yuri ; et al. | 2015-02-19 |
Downhole Cutting Tools Having Rolling Cutters With Non-planar Cutting Surfaces
App 20150047910 - Chen; Chen ; 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 |
Retention Of Multiple Rolling Cutters
App 20140374169 - Cariveau; Peter T. ; et al. | 2014-12-25 |
Axially Stable Retention Mechanism For Picks And Cutting Elements
App 20140339882 - Hall; David R. ; et al. | 2014-11-20 |
Composite Cutter Substrate To Mitigate Residual Stress
App 20140223836 - Shen; Yuelin ; et al. | 2014-08-14 |
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 |
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 |
Method Of Using Spring Loaded Blocker To Retain Rolling Cutters Or Mechanical Lock Cutters
App 20140131118 - Chen; Chen ; et al. | 2014-05-15 |
Pdc Bits Having Rolling Cutters And Using Mixed Chamfers
App 20140124270 - Durairajan; Bala ; 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 |
Rolling Cutter With Close Loop Retaining Ring
App 20140054094 - Burhan; Yuri ; et al. | 2014-02-27 |
Cutting Elements Retained Within Sleeves
App 20130333953 - ZHANG; YOUHE ; et al. | 2013-12-19 |
Gage Cutter Protection For Drilling Bits
App 20130292186 - ZHANG; YOUHE ; et al. | 2013-11-07 |
Solid Pcd Cutter
App 20130168159 - Eyre; Ronald K. ; et al. | 2013-07-04 |
Fixed Cutter Drill Bit Heel And Back-ream Cutter Protections For Abrasive Applications
App 20130153306 - BURHAN; YURI ; et al. | 2013-06-20 |
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 |
Innovative Cutting Element And Cutting Structure Using Same
App 20130015000 - Zhang; Youhe ; et al. | 2013-01-17 |
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 |
Rolling Cutter Assembled Directly To The Bit Pockets
App 20110297454 - Shen; Yuelin ; et al. | 2011-12-08 |
Composite Cutter Substrate To Mitigate Residual Stress
App 20110192652 - Shen; Yuelin ; et al. | 2011-08-11 |
Matrix Tool Bodies With Erosion Resistant And/or Wear Resistant Matrix Materials
App 20110114394 - Lockwood; Gregory T. ; et al. | 2011-05-19 |
Drill Bits And Methods Of Manufacturing Such Drill Bits
App 20100320005 - Burhan; Yuri ; et al. | 2010-12-23 |
Cutter Assemblies, Downhole Tools Incorporating Such Cutter Assemblies And Methods Of Making Such Downhole Tools
App 20100314176 - Zhang; Youhe ; et al. | 2010-12-16 |
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