| Patent | Date |
|---|
Earth-boring tools including polymer matrix composite hardfacing material and related methods
Grant 10,815,734 - Schroder , et al. October 27, 2 | 2020-10-27 |
Magnetic sample holder for abrasive operations and related methods
Grant 10,357,861 - Leal , et al. July 23, 2 | 2019-07-23 |
Methods of repairing cutting element pockets in earth-boring tools with depth-of-cut control features
Grant 10,221,628 - Overstreet , et al. | 2019-03-05 |
Earth-boring Tools Including Polymer Matrix Composite Hardfacing Material And Related Methods
App 20180340375 - Schroder; Jon David ; et al. | 2018-11-29 |
Components and motors for downhole tools and methods of applying hardfacing to surfaces thereof
Grant 10,077,605 - Puzz , et al. September 18, 2 | 2018-09-18 |
Downhole tools having hydrophobic coatings, and methods of manufacturing such tools
Grant 10,077,638 - Overstreet , et al. September 18, 2 | 2018-09-18 |
Magnetic Sample Holder For Abrasive Operations And Related Methods
App 20180147679 - Leal; Jair ; et al. | 2018-05-31 |
Methods of forming borided down hole tools
Grant 9,790,608 - Sista , et al. October 17, 2 | 2017-10-17 |
Methods of forming borided down-hole tools
Grant 9,765,441 - Sista , et al. September 19, 2 | 2017-09-19 |
Methods And Compositions For Brazing, And Earth-boring Tools Formed From Such Methods And Compositions
App 20170259365 - Chen; Wei ; et al. | 2017-09-14 |
Methods and compositions for brazing, and earth-boring tools formed from such methods and compositions
Grant 9,687,940 - Chen , et al. June 27, 2 | 2017-06-27 |
Methods of forming a hardfacing composition, methods of hardfacing a downhole tool, and methods of forming an earth-boring bit
Grant 9,670,738 - Overstreet June 6, 2 | 2017-06-06 |
Abrasive wear-resistant materials and earth-boring tools comprising such materials
Grant 9,506,297 - Overstreet November 29, 2 | 2016-11-29 |
Robotically applied hardfacing with pre-heat
Grant 9,439,277 - Stevens , et al. September 6, 2 | 2016-09-06 |
Methods Of Repairing Cutting Element Pockets In Earth-boring Tools With Depth-of-cut Control Features
App 20160168918 - Overstreet; James L. ; et al. | 2016-06-16 |
Methods And Compositions For Brazing, And Earth-boring Tools Formed From Such Methods And Compositions
App 20160136761 - Chen; Wei ; et al. | 2016-05-19 |
Non-magnetic drill string member with non-magnetic hardfacing and method of making the same
Grant 9,303,305 - Overstreet , et al. April 5, 2 | 2016-04-05 |
Downhole Tools Having Hydrophobic Coatings, And Methods Of Manufacturing Such Tools
App 20160090824 - Overstreet; James L. ; et al. | 2016-03-31 |
Methods of repairing cutting element pockets in earth-boring tools with depth-of-cut control features
Grant 9,291,002 - Overstreet , et al. March 22, 2 | 2016-03-22 |
Methods for applying abrasive wear-resistant materials to a surface of a drill bit
Grant 9,200,485 - Eason , et al. December 1, 2 | 2015-12-01 |
Components And Motors For Downhole Tools And Methods Of Applying Hardfacing To Surfaces Thereof
App 20150259983 - Puzz; Travis E. ; et al. | 2015-09-17 |
Components and motors for downhole tools and methods of applying hardfacing to surfaces thereof
Grant 9,045,943 - Puzz , et al. June 2, 2 | 2015-06-02 |
Methods Of Repairing Cutting Element Pockets In Earth-boring Tools With Depth-of-cut Control Features, And Tools And Structures Formed By Such Methods
App 20150129320 - Overstreet; James L. ; et al. | 2015-05-14 |
Methods Of Forming Borided Downhole Tools, And Related Downhole Tools
App 20150060051 - Sista; Vivekanand ; et al. | 2015-03-05 |
Methods Of Forming Borided Down Hole Tools, And Related Down-hole Tools
App 20150060288 - Sista; Vivekanand ; et al. | 2015-03-05 |
Methods of forming and repairing cutting element pockets in earth-boring tools with depth-of-cut control features, and tools and structures formed by such methods
Grant 8,943,663 - Overstreet , et al. February 3, 2 | 2015-02-03 |
Abrasive Wear-resistant Materials And Earth-boring Tools Comprising Such Materials
App 20140284116 - Overstreet; James L. | 2014-09-25 |
Method of repairing diamond rock bit
Grant 8,776,341 - Overstreet , et al. July 15, 2 | 2014-07-15 |
Methods for applying abrasive wear-resistant materials to earth-boring tools and methods for securing cutting elements to earth-boring tools
Grant 8,758,462 - Overstreet June 24, 2 | 2014-06-24 |
Methods Of Forming A Hardfacing Composition, Methods Of Hardfacing A Downhole Tool, And Methods Of Forming An Earth-boring Bit
App 20130305617 - Overstreet; James L. | 2013-11-21 |
Ultrahard sintered carbide particles in hardfacing for earth-boring bit
Grant 8,540,036 - Overstreet September 24, 2 | 2013-09-24 |
Abrasive wear-resistant materials, methods for applying such materials to earth-boring tools, and methods of securing a cutting element to an earth-boring tool using such materials
Grant 8,388,723 - Overstreet March 5, 2 | 2013-03-05 |
Roller cone disk with shaped compacts
Grant 8,307,920 - Buske , et al. November 13, 2 | 2012-11-13 |
Materials for enhancing the durability of earth-boring bits, and methods of forming such materials
Grant 8,292,985 - Curry , et al. October 23, 2 | 2012-10-23 |
Non-magnetic Drill String Member With Non-magnetic Hardfacing And Method Of Making The Same
App 20120193148 - Overstreet; James L. ; et al. | 2012-08-02 |
Non-magnetic Hardfacing Material
App 20120192760 - Overstreet; James L. ; et al. | 2012-08-02 |
Methods of forming earth-boring rotary drill bits including bit bodies having boron carbide particles in aluminum or aluminum-based alloy matrix materials
Grant 8,230,762 - Choe , et al. July 31, 2 | 2012-07-31 |
Carburized monotungsten and ditungsten carbide eutectic particles, materials and earth-boring tools including such particles, and methods of forming such particles, materials, and tools
Grant 8,220,566 - Eason , et al. July 17, 2 | 2012-07-17 |
Methods for applying wear-resistant material to exterior surfaces of earth-boring tools and resulting structures
Grant 8,104,550 - Overstreet , et al. January 31, 2 | 2012-01-31 |
Components And Motors For Downhole Tools And Methods Of Applying Hardfacing To Surfaces Thereof
App 20120018227 - Puzz; Travis E. ; et al. | 2012-01-26 |
Anti-Tracking Feature for Rock Bits
App 20110315454 - Buske; Robert J. ; et al. | 2011-12-29 |
Earth-boring tools comprising silicon carbide composite materials, and methods of forming same
Grant 8,074,750 - Choe , et al. December 13, 2 | 2011-12-13 |
Passive and active up-drill features on fixed cutter earth-boring tools and related systems and methods
Grant 8,047,309 - Overstreet , et al. November 1, 2 | 2011-11-01 |
Abrasive wear-resistant hardfacing materials, drill bits and drilling tools including abrasive wear-resistant hardfacing materials
Grant 7,997,359 - Eason , et al. August 16, 2 | 2011-08-16 |
Bar trimmers on disk bit
Grant 7,980,333 - Buske , et al. July 19, 2 | 2011-07-19 |
Tungsten Carbide Bit with Hardfaced Nose Area
App 20110168452 - Pharis; Robert J. ; et al. | 2011-07-14 |
Methods For Applying Abrasive Wear Resistant Materials To A Surface Of A Drill Bit
App 20110138695 - Eason; Jimmy W. ; et al. | 2011-06-16 |
Methods Of Forming Earth Boring Rotary Drill Bits Including Bit Bodies Having Boron Carbide Particles In Aluminum Or Aluminum Based Alloy Matrix Materials
App 20110142707 - Choe; Heeman ; et al. | 2011-06-16 |
Methods Of Forming Earth Boring Rotary Drill Bits Including Bit Bodies Comprising Reinforced Titanium Or Titanium Based Alloy Matrix Materials
App 20110094341 - Choe; Heeman ; et al. | 2011-04-28 |
Ultrahard Sintered Carbide Particles in Hardfacing for Earth-Boring Bit
App 20110073378 - Overstreet; James L. | 2011-03-31 |
Method of Applying Hardfacing Sheet
App 20110073233 - Eason; Jimmy W. ; et al. | 2011-03-31 |
Earth-boring rotary drill bits including bit bodies having boron carbide particles in aluminum or aluminum-based alloy matrix materials, and methods for forming such bits
Grant 7,913,779 - Choe , et al. March 29, 2 | 2011-03-29 |
Roller Cone Disk With Shaped Compacts
App 20110036639 - Buske; Robert J. ; et al. | 2011-02-17 |
Steel tooth disk with hardfacing
Grant 7,878,274 - Buske , et al. February 1, 2 | 2011-02-01 |
Self sharpening steel tooth cutting structure
Grant 7,866,417 - Buske , et al. January 11, 2 | 2011-01-11 |
Earth-boring Tools Comprising Silicon Carbide Composite Materials, And Methods Of Forming Same
App 20100326739 - Choe; Heeman ; et al. | 2010-12-30 |
Corrosion protection for head section of earth boring bit
Grant 7,823,664 - Massey , et al. November 2, 2 | 2010-11-02 |
Methods Of Forming And Repairing Cutting Element Pockets In Earth-boring Tools With Depth-of-cut Control Features, And Tools And Structures Formed By Such Methods
App 20100263937 - Overstreet; James L. ; et al. | 2010-10-21 |
Method for forming earth-boring tools comprising silicon carbide composite materials
Grant 7,807,099 - Choe , et al. October 5, 2 | 2010-10-05 |
Earth-boring rotary drill bits including bit bodies comprising reinforced titanium or titanium-based alloy matrix materials, and methods for forming such bits
Grant 7,784,567 - Choe , et al. August 31, 2 | 2010-08-31 |
Roller Cones Having Non-integral Cutting Structures, Drill Bits Including Such Cones, And Methods Of Forming Same
App 20100175926 - Buske; Robert J. ; et al. | 2010-07-15 |
Robotically Applied Hardfacing With Pre-heat
App 20100159157 - Stevens; John H. ; et al. | 2010-06-24 |
Abrasive Wear-resistant Materials, Methods For Applying Such Materials To Earth-boring Tools, And Methods Of Securing A Cutting Element To An Earth-boring Tool Using Such Materials
App 20100132265 - Overstreet; James L. | 2010-06-03 |
Carburized Monotungsten And Ditungsten Carbide Eutectic Particles, Materials And Earth-boring Tools Including Such Particles, And Methods Of Forming Such Particles, Materials, And Tools
App 20100108399 - Eason; Jimmy W. ; et al. | 2010-05-06 |
Drilling tools having hardfacing with nickel-based matrix materials and hard particles
Grant 7,703,555 - Overstreet April 27, 2 | 2010-04-27 |
Self Sharpening Steel Tooth Cutting Structure
App 20100078226 - Buske; Robert J. ; et al. | 2010-04-01 |
Bar Trimmers On Disk Bit
App 20100078227 - Buske; Robert J. ; et al. | 2010-04-01 |
Steel Tooth Disk With Hardfacing
App 20100078225 - Buske; Robert J. ; et al. | 2010-04-01 |
System, method, and apparatus for passive and active updrill features on roller cone drill bits
Grant 7,677,338 - Overstreet , et al. March 16, 2 | 2010-03-16 |
Steel tooth drill bit with improved tooth breakage resistance
Grant 7,654,346 - Overstreet , et al. February 2, 2 | 2010-02-02 |
Wide groove roller cone bit
Grant 7,628,230 - Pessier , et al. December 8, 2 | 2009-12-08 |
Bit leg and cone hardfacing for earth-boring bit
Grant 7,621,347 - Overstreet November 24, 2 | 2009-11-24 |
High density row on roller cone bit
Grant 7,621,345 - Cepeda , et al. November 24, 2 | 2009-11-24 |
Materials For Enhancing The Durability Of Earth-boring Bits, And Methods Of Forming Such Materials
App 20090260482 - Curry; David A. ; et al. | 2009-10-22 |
Anti-tracking Feature For Rock Bits
App 20090260890 - Buske; Robert J. ; et al. | 2009-10-22 |
Drill bits and drilling tools including abrasive wear-resistant materials
Grant 7,597,159 - Overstreet October 6, 2 | 2009-10-06 |
Expandable reamer apparatus for enlarging subterranean boreholes and methods of use
Grant 7,549,485 - Radford , et al. June 23, 2 | 2009-06-23 |
Abrasive Wear-resistant Materials, Methods For Applying Such Materials To Earth-boring Tools, And Methods For Securing Cutting Elements To Earth-boring Tools
App 20090113811 - Overstreet; James L. | 2009-05-07 |
System, method, and apparatus for enhancing the durability of earth-boring bits with carbide materials
Grant 7,510,034 - Curry , et al. March 31, 2 | 2009-03-31 |
Hardfacing Containing Fullerenes For Subterranean Tools And Methods Of Making
App 20090065260 - Overstreet; James L. | 2009-03-12 |
Corrosion Protection for Head Section of Earth Boring Bit
App 20090044984 - Massey; Alan J. ; et al. | 2009-02-19 |
Bit leg outer surface hardfacing on earth-boring bit
Grant 7,484,577 - Overstreet , et al. February 3, 2 | 2009-02-03 |
Steel tooth drill bit with improved tooth breakage resistance
App 20080283304 - Overstreet; James L. ; et al. | 2008-11-20 |
Method of Repairing Diamond Rock Bit
App 20080283305 - Overstreet; James L. ; et al. | 2008-11-20 |
Passive And Active Up-drill Features On Fixed Cutter Earth-boring Tools And Related Methods
App 20080251297 - Overstreet; James L. ; et al. | 2008-10-16 |
System, Method, And Apparatus For Passive And Active Updrill Features On Roller Cone Drill Bits
App 20080223619 - Overstreet; James L. ; et al. | 2008-09-18 |
Silicon Carbide Composite Materials, Earth-boring Tools Comprising Such Materials, And Methods For Forming The Same
App 20080128176 - Choe; Heeman ; et al. | 2008-06-05 |
Methods For Applying Wear-resistant Material To Exterior Surfaces Of Earth-boring Tools And Resulting Structures
App 20080083568 - Overstreet; James L. ; et al. | 2008-04-10 |
Shirttails for reducing damaging effects of cuttings
Grant 7,350,600 - Beuershausen , et al. April 1, 2 | 2008-04-01 |
Abrasive Wear Resistant Hardfacing Materials, Drill Bits And Drilling Tools Including Abrasive Wear Resistant Hardfacing Materials, And Methods For Applying Abrasive Wear Resistant Hardfacing Materials To Drill Bits And Drilling Tools
App 20080073125 - Eason; Jimmy W. ; et al. | 2008-03-27 |
Rotary rock bit with hardfacing to reduce cone erosion
Grant 7,343,990 - Pessier , et al. March 18, 2 | 2008-03-18 |
Rotary rock bit with hardfacing to reduce cone erosion
App 20070284151 - Pessier; Rudolf C. ; et al. | 2007-12-13 |
High Density Row on Roller Cone Bit
App 20070227781 - Cepeda; Karlos B. ; et al. | 2007-10-04 |
Bit leg outer surface hardfacing on earth-boring bit
App 20070163812 - Overstreet; James L. ; et al. | 2007-07-19 |
Bit gage hardfacing
Grant 7,240,746 - Overstreet , et al. July 10, 2 | 2007-07-10 |
Hardfacing Materials With Highly Conforming Properties
App 20070107942 - Overstreet; James L. ; et al. | 2007-05-17 |
Earth-boring rotary drill bits including bit bodies having boron carbide particles in aluminum or aluminum-based alloy matrix materials, and methods for forming such bits
App 20070102200 - Choe; Heeman ; et al. | 2007-05-10 |
Earth-boring rotary drill bits including bit bodies comprising reinforced titanium or titanium-based alloy matrix materials, and methods for forming such bits
App 20070102202 - Choe; Heeman ; et al. | 2007-05-10 |
System, method, and apparatus for enhancing the durability of earth-boring bits with carbide materials
App 20070079992 - Curry; David A. ; et al. | 2007-04-12 |
Composite materials including nickel-based matrix materials and hard particles, tools including such materials, and methods of using such materials
App 20070056777 - Overstreet; James L. | 2007-03-15 |
Abrasive wear-resistant materials, drill bits and drilling tools including abrasive wear-resistant materials, methods for applying abrasive wear-resistant materials to drill bits and drilling tools, and methods for securing cutting elements to a drill bit
App 20070056776 - Overstreet; James L. | 2007-03-15 |
Shirttails for reducing damaging effects of cuttings
Grant 7,182,162 - Beuershausen , et al. February 27, 2 | 2007-02-27 |
Shirttails for reducing damaging effects of cuttings
App 20060283638 - Beuershausen; Christopher C. ; et al. | 2006-12-21 |
Bit leg and cone hardfacing for earth-boring bit
App 20060207803 - Overstreet; James L. | 2006-09-21 |
Bit gage hardfacing
App 20060060387 - Overstreet; James L. ; et al. | 2006-03-23 |
Shirttails for reducing damaging effects of cuttings
App 20060021800 - Beuershausen; Christopher C. ; et al. | 2006-02-02 |
Streamlined mill-toothed cone for earth boring bit
Grant 6,923,276 - Overstreet , et al. August 2, 2 | 2005-08-02 |
Expandable reamer apparatus for enlarging subterranean boreholes and methods of use
App 20050145417 - Radford, Steven R. ; et al. | 2005-07-07 |
Streamlined mill-toothed cone for earth boring bit
App 20040159469 - Overstreet, James L. ; et al. | 2004-08-19 |
Mechanically shaped hardfacing cutting/wear structures
Grant 6,766,870 - Overstreet July 27, 2 | 2004-07-27 |
Mechanically shaped hardfacing cutting/wear structures
App 20040035609 - Overstreet, James L. | 2004-02-26 |
Steel body drill bits with tailored hardfacing structural elements
Grant 6,651,756 - Costo, Jr. , et al. November 25, 2 | 2003-11-25 |
Surface modifications for rotary drill bits
Grant 6,450,271 - Tibbitts , et al. September 17, 2 | 2002-09-17 |
Drill bit and surface treatment for tungsten carbide insert
Grant 6,371,225 - Overstreet , et al. April 16, 2 | 2002-04-16 |
Hardfacing with multiple grade layers
Grant 6,360,832 - Overstreet , et al. March 26, 2 | 2002-03-26 |
Hardfacing composition for earth-boring bits using macrocrystalline tungsten carbide and spherical cast carbide
Grant 6,248,149 - Massey , et al. June 19, 2 | 2001-06-19 |
Hardfacing composition for earth-boring bits
Grant RE37,127 - Schader , et al. April 10, 2 | 2001-04-10 |
Steel tooth bit with extra-thick hardfacing
Grant 6,206,115 - Overstreet , et al. March 27, 2 | 2001-03-27 |
Cutting elements with binderless carbide layer
Grant 6,065,552 - Scott , et al. May 23, 2 | 2000-05-23 |
Hybrid rock bit
Grant 5,979,575 - Overstreet , et al. November 9, 1 | 1999-11-09 |
Hardfacing composition for earth-boring bits
Grant 5,663,512 - Schader , et al. September 2, 1 | 1997-09-02 |
| 