| Patent | Date |
|---|
Earth-boring tools with precise cutter pocket location and orientation and related methods
Grant 10,005,158 - Sullivan , et al. June 26, 2 | 2018-06-26 |
Hybrid drill bit having increased service life
Grant 9,782,857 - Nguyen , et al. October 10, 2 | 2017-10-10 |
Methods for automated deposition of hardfacing material on earth-boring tools and related systems
Grant 9,580,788 - Luce , et al. February 28, 2 | 2017-02-28 |
Earth-boring Tools With Precise Cutter Pocket Location And Orientation And Related Methods
App 20160158894 - Sullivan; Eric C. ; et al. | 2016-06-09 |
Methods of coupling components of downhole tools, downhole tools and components of downhole tools
Grant 9,273,518 - Smith , et al. March 1, 2 | 2016-03-01 |
Methods For Automated Deposition Of Hardfacing Material On Earth-boring Tools And Related Systems
App 20150167143 - Luce; David Keith ; et al. | 2015-06-18 |
Hybrid Drill Bit Having Increased Service Life
App 20150152687 - Nguyen; Don Q. ; et al. | 2015-06-04 |
Methods for automated application of hardfacing material to drill bits
Grant 8,969,754 - Luce , et al. March 3, 2 | 2015-03-03 |
Systems and methods for robotic welding of drill bits
Grant 8,948,917 - Massey February 3, 2 | 2015-02-03 |
Methods for manipulating cutting elements for earth-boring drill bits and tools
Grant 8,731,717 - Luce , et al. May 20, 2 | 2014-05-20 |
Method and apparatus for the automated application of hardfacing material to rolling cutters of earth-boring drill bits
Grant 8,698,038 - Luce , et al. April 15, 2 | 2014-04-15 |
Methods For Automated Application Of Hardfacing Material To Drill Bits
App 20130273258 - Luce; David Keith ; et al. | 2013-10-17 |
Methods For Manipulating Cutting Elements For Earth-boring Drill Bits And Tools
App 20130197686 - Luce; David Keith ; et al. | 2013-08-01 |
Apparatus for automated application of hardfacing material to drill bits
Grant 8,450,637 - Luce , et al. May 28, 2 | 2013-05-28 |
Methods, systems, and devices for manipulating cutting elements for earth-boring drill bits and tools
Grant 8,355,815 - Luce , et al. January 15, 2 | 2013-01-15 |
Methods Of Coupling Components Of Downhole Tools, Downhole Tools And Components Of Downhole Tools
App 20120103691 - Smith; Redd H. ; et al. | 2012-05-03 |
Hybrid drill bit with high bearing pin angles
Grant 8,141,664 - Zahradnik , et al. March 27, 2 | 2012-03-27 |
Hardfacing around ball loading hole for earth-boring bit
Grant 7,891,443 - Massey , et al. February 22, 2 | 2011-02-22 |
Shank structure for rotary drill bits
Grant 7,861,806 - Zahradnik , et al. January 4, 2 | 2011-01-04 |
Method And System For Automated Earth Boring Drill Bit Manufacturing
App 20100282026 - LUCE; David K. ; et al. | 2010-11-11 |
Corrosion protection for head section of earth boring bit
Grant 7,823,664 - Massey , et al. November 2, 2 | 2010-11-02 |
Hybrid Drill Bit With High Bearing Pin Angles
App 20100224417 - ZAHRADNIK; Anton F. ; et al. | 2010-09-09 |
Methods, Systems, And Devices For Manipulating Cutting Elements For Earth-boring Drill Bits And Tools
App 20100204824 - Luce; David Keith ; et al. | 2010-08-12 |
Earth-boring Tools And Bodies Of Such Tools Including Nozzle Recesses, And Methods Of Forming Same
App 20100193253 - Massey; Alan J. ; et al. | 2010-08-05 |
Method And Apparatus For Robotic Welding Of Drill Bits
App 20100106285 - Massey; Alan J. | 2010-04-29 |
Method And Apparatus For Automated Application Of Hardfacing Material To Drill Bits
App 20100104736 - Luce; David K. ; et al. | 2010-04-29 |
Method and Apparatus for the Automated Application of Hardfacing Material to Rolling Cutters of Earth-Boring Drill Bits
App 20100065337 - Luce; David K. ; et al. | 2010-03-18 |
Bit Cone With Hardfaced Nose
App 20100038146 - Felderhoff; Floyd C. ; et al. | 2010-02-18 |
Shank Structure For Rotary Drill Bits
App 20100012392 - Zahradnik; Anton F. ; et al. | 2010-01-21 |
Rotary drill bits
Grant 7,600,589 - Zahradnik , et al. October 13, 2 | 2009-10-13 |
Methods of fabricating rotary drill bits
Grant 7,594,454 - Zahradnik , et al. September 29, 2 | 2009-09-29 |
Corrosion Protection for Head Section of Earth Boring Bit
App 20090044984 - Massey; Alan J. ; et al. | 2009-02-19 |
Rotary drill bit shank, rotary drill bits so equipped, and methods of manufacture
Grant 7,472,764 - Zahradnik , et al. January 6, 2 | 2009-01-06 |
Hardfacing Around Ball Loading Hole for Earth-Boring Bit
App 20080202817 - Massey; Alan J. ; et al. | 2008-08-28 |
Methods Of Fabricating Rotary Drill Bits
App 20080066581 - Zahradnik; Anton F. ; et al. | 2008-03-20 |
Rotary Drill Bits
App 20080066970 - Zahradnik; Anton F. ; et al. | 2008-03-20 |
Rotary drill bit shank, rotary drill bits so equipped, and methods of manufacture
App 20060213693 - Zahradnik; Anton F. ; et al. | 2006-09-28 |
Streamlined mill-toothed cone for earth boring bit
Grant 6,923,276 - Overstreet , et al. August 2, 2 | 2005-08-02 |
Streamlined mill-toothed cone for earth boring bit
App 20040159469 - Overstreet, James L. ; et al. | 2004-08-19 |
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 |
Hardfacing composition for earth-boring bits
Grant 5,663,512 - Schader , et al. September 2, 1 | 1997-09-02 |
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