| Patent | Date |
|---|
Polycrystalline super hard construction and a method for making same
Grant 10,221,629 - Can , et al. | 2019-03-05 |
Rotary drag bits including abrasive-impregnated cutting structures
Grant 9,637,979 - Brackin , et al. May 2, 2 | 2017-05-02 |
Cutting element placement on a fixed cutter drill bit to reduce diamond table fracture
Grant 9,359,825 - Gavia , et al. June 7, 2 | 2016-06-07 |
Earth-boring tools attachable to a casing string and methods for their manufacture
Grant 9,085,939 - McClain , et al. July 21, 2 | 2015-07-21 |
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 |
Modular hybrid drill bit
Grant 8,356,398 - McCormick , et al. January 22, 2 | 2013-01-22 |
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 Element Placement On A Fixed Cutter Drill Bit To Reduce Diamond Table Fracture
App 20120234608 - Gavia; David ; et al. | 2012-09-20 |
Earth-boring tools including abrasive cutting structures and related methods
Grant 8,177,001 - McClain , et al. May 15, 2 | 2012-05-15 |
Earth-boring Tools Including Abrasive Cutting Structures And Related Methods
App 20110198128 - McClain; Eric E. ; et al. | 2011-08-18 |
Cutting structure for earth-boring bit to reduce tracking
Grant RE42,445 - Felderhoff , et al. June 14, 2 | 2011-06-14 |
Cutting structures for casing component drillout and earth-boring drill bits including same
Grant 7,954,571 - McClain , et al. June 7, 2 | 2011-06-07 |
Modular Hybrid Drill Bit
App 20110120269 - McCORMICK; Ron D. ; et al. | 2011-05-26 |
Cutting Element Placement On A Fixed Cutter Drill Bit To Reduce Diamond Table Fracture
App 20110031029 - Gavia; David ; et al. | 2011-02-10 |
Rotary drag bit with multiple backup cutters
Grant 7,861,809 - Gavia , et al. January 4, 2 | 2011-01-04 |
Rotary drag bit and methods therefor
Grant 7,762,355 - McClain , et al. July 27, 2 | 2010-07-27 |
Cutting structure for earth-boring bit to reduce tracking
Grant 7,647,991 - Felderhoff , et al. January 19, 2 | 2010-01-19 |
Modular Hybrid Drill Bit
App 20090272582 - McCORMICK; Ron D. ; et al. | 2009-11-05 |
Abrasive-impregnated Cutting Structure Having Anisotropic Wear Resistance And Drag Bit Including Same
App 20090217597 - Brackin; Van J. ; et al. | 2009-09-03 |
Earth-boring Tools Attachable To A Casing String And Methods For Their Manufacture
App 20090120693 - McClain; Eric E. ; et al. | 2009-05-14 |
Cutting Structures For Casing Component Drillout And Earth Boring Drill Bits Including Same
App 20090084608 - McClain; Eric E. ; et al. | 2009-04-02 |
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 |
Rotary Drag Bit And Methods Therefor
App 20080179108 - McClain; Eric E. ; et al. | 2008-07-31 |
Rotary Drag Bit
App 20080179106 - Gavia; David ; et al. | 2008-07-31 |
Cutting Structure for Earth-Boring Bit to Reduce Tracking
App 20070272447 - Felderhoff; Floyd ; et al. | 2007-11-29 |
Alternating inclinations of compacts for drill bit
Grant 7,096,981 - Van Klompenburg , et al. August 29, 2 | 2006-08-29 |
Abrasive-impregnated cutting structure having anisotropic wear resistance and drag bit including same
App 20060162967 - Brackin; Van J. ; et al. | 2006-07-27 |
Asymmetric compact for drill bit
Grant 7,066,288 - Van Klompenburg , et al. June 27, 2 | 2006-06-27 |
Earth boring apparatus and method offering improved gage trimmer protection
Grant 6,883,623 - McCormick , et al. April 26, 2 | 2005-04-26 |
Impregnated rotary drag bit
Grant 6,843,333 - Richert , et al. January 18, 2 | 2005-01-18 |
Alternating inclinations of compacts for drill bit
App 20040084222 - Klompenburg, Greg Van ; et al. | 2004-05-06 |
Earth boring apparatus and method offering improved gage trimmer protection
App 20040069531 - McCormick, Ronny D. ; et al. | 2004-04-15 |
Impregnated rotary drag bit
App 20030111273 - Richert, Volker ; et al. | 2003-06-19 |
Asymmetric compact for drill bit
App 20030079917 - Klompenburg, Greg Van ; et al. | 2003-05-01 |
Impregnated bit with PDC cutters in cone area
Grant 6,510,906 - Richert , et al. January 28, 2 | 2003-01-28 |
Superabrasive cutting assemblies including cutters of varying orientations and drill bits so equipped
Grant 6,408,958 - Isbell , et al. June 25, 2 | 2002-06-25 |
Rolling cutter bit with improved rotational stabilization
Grant 5,996,713 - Pessier , et al. December 7, 1 | 1999-12-07 |
Earth-boring bit having shear-cutting heel elements
Grant 5,592,995 - Scott , et al. January 14, 1 | 1997-01-14 |
Roller cone bit with positive and negative offset and smooth running configuration
Grant 5,586,612 - Isbell , et al. December 24, 1 | 1996-12-24 |
Earth-boring bit with improved cutting structure
Grant 5,542,485 - Pessier , et al. August 6, 1 | 1996-08-06 |
Earth-boring bit with improved cutting structure
Grant 5,479,997 - Scott , et al. * January 2, 1 | 1996-01-02 |
Earth-boring bit with improved cutting structure
Grant 5,351,768 - Scott , et al. October 4, 1 | 1994-10-04 |
Earth-boring bit with an advantageous insert cutting structure
Grant 5,323,865 - Isbell , et al. June 28, 1 | 1994-06-28 |
Earth-boring bit with an advantageous cutting structure
Grant 5,311,958 - Isbell , et al. May 17, 1 | 1994-05-17 |
Anti-balling earth boring bit
Grant 4,984,643 - Isbell , et al. January 15, 1 | 1991-01-15 |
| 