Patent | Date |
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Rotary drag bits including abrasive-impregnated cutting structures Grant 9,637,979 - Brackin , et al. May 2, 2 | 2017-05-02 |
Cutting elements configured to generate shear lips during use in cutting, earth-boring tools including such cutting elements, and methods of forming and using such cutting elements and earth-boring tools Grant 9,567,808 - Scott , et al. February 14, 2 | 2017-02-14 |
Cutting Elements Configured To Generate Shear Lips During Use In Cutting, Earth-boring Tools Including Such Cutting Elements, And Methods Of Forming And Using Such Cutting Elements And Earth-boring Tools App 20140332274 - Scott; Danny E. ;   et al. | 2014-11-13 |
Cutting elements configured to generate shear lips during use in cutting, earth-boring tools including such cutting elements, and methods of forming and using such cutting elements and earth-boring tools Grant 8,800,692 - Scott , et al. August 12, 2 | 2014-08-12 |
Brazed diamond dressing tool Grant 8,795,034 - Andrews , et al. August 5, 2 | 2014-08-05 |
Rotary Drag Bits Including Abrasive-impregnated Cutting Structures App 20140151132 - Brackin; Van J. ;   et al. | 2014-06-05 |
Rotary drag bits including abrasive-impregnated cutting structures Grant 8,662,207 - Brackin , et al. March 4, 2 | 2014-03-04 |
Abrasive-impregnated Cutting Structure Having Anisotropic Wear Resistance And Drag Bit Including Same App 20130105230 - Brackin; Van J. ;   et al. | 2013-05-02 |
Abrasive-impregnated cutting structure having anisotropic wear resistance and drag bit including same Grant 8,333,814 - Brackin , et al. December 18, 2 | 2012-12-18 |
Cutting Elements Configured To Generate Shear Lips During Use In Cutting, Earth Boring Tools Including Such Cutting Elements, And Methods Of Forming And Using Such Cutting Elements And Earth Boring Tools App 20110088950 - Scott; Danny E. ;   et al. | 2011-04-21 |
Multi-layer encapsulation of diamond grit for use in earth-boring bits Grant 7,810,588 - McClain , et al. October 12, 2 | 2010-10-12 |
Impregnated rotary drag bit and related methods Grant 7,730,976 - McClain , et al. June 8, 2 | 2010-06-08 |
Abrasive-impregnated Cutting Structure Having Anisotropic Wear Resistance And Drag Bit Including Same App 20090217597 - Brackin; Van J. ;   et al. | 2009-09-03 |
Impregnated Rotary Drag Bit And Related Methods App 20090107732 - McClain; Eric E. ;   et al. | 2009-04-30 |
Abrasive-impregnated cutting structure having anisotropic wear resistance and drag bit including same Grant 7,497,280 - Brackin , et al. March 3, 2 | 2009-03-03 |
Multi-Layer Encapsulation of Diamond Grit for Use in Earth-Boring Bits App 20080202821 - McClain; Eric E. ;   et al. | 2008-08-28 |
Brazed Diamond Dressing Tool App 20080076338 - Andrews; Richard M. ;   et al. | 2008-03-27 |
Cutting elements and rotary drill bits including same Grant 7,243,745 - Skeem , et al. July 17, 2 | 2007-07-17 |
Superabrasive cutting elements having enhanced durability, method of producing same, and drill bits so equipped Grant 7,188,692 - Lund , et al. March 13, 2 | 2007-03-13 |
Abrasive-impregnated cutting structure having anisotropic wear resistance and drag bit including same App 20060162967 - Brackin; Van J. ;   et al. | 2006-07-27 |
Superabrasive cutting element having an asperital cutting face and drill bit so equipped Grant 7,048,081 - Smith , et al. May 23, 2 | 2006-05-23 |
Cutting elements and rotary drill bits including same App 20060021802 - Skeem; Marcus R. ;   et al. | 2006-02-02 |
Superabrasive cutting elements enhanced durability, method of producing same, and drill bits so equipped App 20060016626 - Lund; Jeffrey B. ;   et al. | 2006-01-26 |
Brazed diamond dressing tool App 20050260939 - Andrews, Richard M. ;   et al. | 2005-11-24 |
Metal single layer abrasive cutting tool having a contoured cutting surface Grant 6,935,940 - Skeem , et al. August 30, 2 | 2005-08-30 |
Superabrasive cutting elements with cutting edge geometry having enhanced durability, method of producing same, and drill bits so equipped Grant 6,935,444 - Lund , et al. August 30, 2 | 2005-08-30 |
Metal single layer abrasive cutting tool having a contoured cutting surface App 20050048879 - Skeem, Marcus R. ;   et al. | 2005-03-03 |
Superabrasive cutting element having an asperital cutting face and drill bit so equipped App 20040238227 - Smith, Redd H. ;   et al. | 2004-12-02 |
Metal single layer abrasive cutting tool having a contoured cutting surface Grant 6,817,936 - Skeem , et al. November 16, 2 | 2004-11-16 |
Superabrasive cutting elements with cutting edge geometry having enhanced durability, method of producing same, and drill bits so equipped App 20040163854 - Lund, Jeffrey B. ;   et al. | 2004-08-26 |
Superabrasive cutters and drill bits so equipped Grant 6,739,417 - Smith , et al. May 25, 2 | 2004-05-25 |
Superabrasive cutters and drill bits so equipped App 20030116361 - Smith, Redd H. ;   et al. | 2003-06-26 |
Multiple grade carbide for diamond capped insert App 20010008190 - Scott, Danny E. ;   et al. | 2001-07-19 |
Bond for abrasive tool Grant 5,832,360 - Andrews , et al. November 3, 1 | 1998-11-03 |
Cutting tools having textured cutting surface Grant 5,669,943 - Horton , et al. September 23, 1 | 1997-09-23 |