Oldham; Jack T.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Oldham; Jack T..The latest application filed is for "hybrid drill bit and design method".

Company Profile

3.31.32

Oldham; Jack T. - Conroe TX
Oldham; Jack T. - Willis TX

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Hybrid drill bit and design method Grant 10,871,036 - Zahradnik , et al. December 22, 2	2020-12-22
Hybrid Drill Bit And Design Method App 20190352971 - Zahradnik; Anton F. ; et al.	2019-11-21
Hybrid drill bit and design method Grant 10,316,589 - Zahradnik , et al.	2019-06-11
Cutting elements for drill bits for drilling subterranean formations and methods of forming such cutting elements Grant 9,957,757 - Vempati , et al. May 1, 2	2018-05-01
Hybrid drill bit Grant 9,670,736 - Zahradnik , et al. June 6, 2	2017-06-06
Cutting Elements For Drill Bits For Drilling Subterranean Formations And Methods Of Forming Such Cutting Elements App 20150184464 - Vempati; Chaitanya K. ; et al.	2015-07-02
Hybrid Drill Bit And Design Method App 20140202771 - ZAHRADNIK; Anton F. ; et al.	2014-07-24
Hybrid Drill Bit App 20140151131 - Zahradnik; Anton F. ; et al.	2014-06-05
Hybrid drill bit and design method Grant 8,678,111 - Zahradnik , et al. March 25, 2	2014-03-25
Hybrid drill bit Grant 8,459,378 - Zahradnik , et al. June 11, 2	2013-06-11
Casing and liner drilling shoes having integrated operational components, and related methods Grant 8,297,380 - Oldham , et al. October 30, 2	2012-10-30
Casing shoes having drillable and non-drillable cutting elements in different regions and related methods Grant 8,225,888 - Oldham , et al. July 24, 2	2012-07-24
Casing and liner drilling shoes with portions configured to fail responsive to pressure, and related methods Grant 8,225,887 - Oldham , et al. July 24, 2	2012-07-24
Casing and liner drilling shoes having selected profile geometries, and related methods Grant 8,205,693 - Oldham , et al. June 26, 2	2012-06-26
Methods of drilling using differing types of cutting elements Grant 8,191,654 - McClain , et al. June 5, 2	2012-06-05
Methods Of Making Earth-boring Tools And Methods Of Drilling With Earth-boring Tools App 20120118642 - Vempati; Chaitanya K. ; et al.	2012-05-17
Drilling apparatus with reduced exposure of cutters and methods of drilling Grant 8,172,008 - Dykstra , et al. May 8, 2	2012-05-08
Casing and liner drilling shoes having spiral blade configurations, and related methods Grant 8,167,059 - Oldham , et al. May 1, 2	2012-05-01
Earth-boring tools, methods of making earth-boring tools and methods of drilling with earth-boring tools Grant 8,127,869 - Vempati , et al. March 6, 2	2012-03-06
Drilling Apparatus With Reduced Exposure Of Cutters And Methods Of Drilling App 20120024609 - Dykstra; Mark W. ; et al.	2012-02-02
Drilling apparatus with reduced exposure of cutters and methods of drilling Grant 8,066,084 - Dykstra , et al. November 29, 2	2011-11-29
Casing Shoes Including Cutting Elements, Cutting Elements For Earth-boring Tool, And Related Methods App 20110266069 - Oldham; Jack T. ; et al.	2011-11-03
Casing And Liner Drilling Shoes With Portions Configured To Fail Responsive To Pressure, And Related Methods App 20110259608 - Oldham; Jack T. ; et al.	2011-10-27
Casing And Liner Drilling Shoes Having Selected Profile Geometries, And Related Methods App 20110259605 - Oldham; Jack T. ; et al.	2011-10-27
Casing And Liner Drilling Shoes Having Spiral Blade Configurations, And Related Methods App 20110259643 - Oldham; Jack T. ; et al.	2011-10-27
Casing And Liner Drilling Shoes Having Integrated Operational Components, And Related Methods App 20110259604 - Oldham; Jack T. ; et al.	2011-10-27
Casing Shoes Having Drillable And Non-drillable Cutting Elements In Different Regions And Related Methods App 20110259606 - Oldham; Jack T. ; et al.	2011-10-27
Casing and liner drilling bits and reamers Grant 8,006,785 - Oldham , et al. August 30, 2	2011-08-30
Methods Of Drilling Using Differing Types Of Cutting Elements App 20110203850 - McClain; Eric E. ; et al.	2011-08-25
Cutting elements configured for casing component drillout and earth boring drill bits including same Grant 7,954,570 - McClain , et al. June 7, 2	2011-06-07
Drilling Apparatus With Reduced Exposure Of Cutters And Methods Of Drilling App 20110114392 - Dykstra; Mark W. ; et al.	2011-05-19
Earth-boring Tools, Methods Of Making Earth-boring Tools And Methods Of Drilling With Earth-boring Tools App 20110073369 - Vempati; Chaitanya K. ; et al.	2011-03-31
Hybrid Drill Bit App 20100288561 - Zahradnik; Anton F. ; et al.	2010-11-18
Drilling apparatus with reduced exposure of cutters and methods of drilling Grant 7,814,990 - Dykstra , et al. October 19, 2	2010-10-19
Earth boring drill bits with casing component drill out capability and methods of use Grant 7,748,475 - McClain , et al. July 6, 2	2010-07-06
Drilling tool for reducing cutter damage when drilling through formation changes, and methods of design and operation thereof Grant 7,703,558 - Sinor , et al. April 27, 2	2010-04-27
Earth boring drill bits with casing component drill out capability and methods of use Grant 7,624,818 - McClain , et al. December 1, 2	2009-12-01
Hybrid Drill Bit And Design Method App 20090126998 - Zahradnik; Anton F. ; et al.	2009-05-21
Drilling Tool For Reducing Cutter Damage When Drilling Through Formation Changes, And Methods Of Design And Operation Thereof App 20080302573 - Sinor; L. Allen ; et al.	2008-12-11
Drilling tool equipped with improved cutting element layout to reduce cutter damage through formation changes, methods of design and operation thereof Grant 7,455,125 - Sinor , et al. November 25, 2	2008-11-25
Casing And Liner Drilling Bits And Reamers, Cutting Elements Therefor, And Methods Of Use App 20080223575 - Oldham; Jack T. ; et al.	2008-09-18
Casing and liner drilling bits Grant 7,395,882 - Oldham , et al. July 8, 2	2008-07-08
Earth Boring Drill Bits With Casing Component Drill Out Capability And Methods Of Use App 20080149393 - McClain; Eric E. ; et al.	2008-06-26
Methods for optimizing efficiency and durability of rotary drag bits and rotary drag bits designed for optimal efficiency and durability App 20070106487 - Gavia; David ; et al.	2007-05-10
Cutting elements configured for casing component drillout and earth boring drill bits including same App 20070079995 - McClain; Eric E. ; et al.	2007-04-12
Window mill and drill bit Grant 7,178,609 - Hart , et al. February 20, 2	2007-02-20
Drilling apparatus with reduced exposure of cutters App 20060278436 - Dykstra; Mark W. ; et al.	2006-12-14
Drill bits with reduced exposure of cutters Grant 7,096,978 - Dykstra , et al. August 29, 2	2006-08-29
Drilling tool equipped with improved cutting element layout to reduce cutter damage through formation changes, methods of design and operation thereof App 20060185901 - Sinor; L. Allen ; et al.	2006-08-24
Earth boring drill bits with casing component drill out capability and methods of use App 20060070771 - McClain; Eric E. ; et al.	2006-04-06
Drill bits with reduced exposure of cutters App 20050284660 - Dykstra, Mark W. ; et al.	2005-12-29
Drill bits with reduced exposure of cutters Grant 6,935,441 - Dykstra , et al. August 30, 2	2005-08-30
Casing and liner drilling bits, cutting elements therefor, and methods of use App 20050183892 - Oldham, Jack T. ; et al.	2005-08-25
Window mill and drill bit App 20050039905 - Hart, Daniel ; et al.	2005-02-24
Drill bits with reduced exposure of cutters App 20040216926 - Dykstra, Mark W. ; et al.	2004-11-04
Drill bits with controlled exposure of cutters Grant 6,779,613 - Dykstra , et al. August 24, 2	2004-08-24
Drill bits with reduced exposure of cutters App 20030029642 - Dykstra, Mark W. ; et al.	2003-02-13
Drill bits with reduced exposure of cutters Grant 6,460,631 - Dykstra , et al. October 8, 2	2002-10-08
Drill bits with reduced exposure of cutters App 20010030063 - Dykstra, Mark W. ; et al.	2001-10-18
Bi-center drill bit with enhanced stabilizing features Grant 5,957,223 - Doster , et al. September 28, 1	1999-09-28

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