Conroe, Texas
United States
21
2019-11-21
The entities that hold a legal rights for patent applications filed by inventor Oldham Jack T.:
Jack T. Oldham from Conroe, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Hybrid drill bit and design method
#2 | 2015-07-02Cutting elements for drill bits for drilling subterranean formations and methods of forming such cutting elements
#3 | 2014-07-24Hybrid drill bit and design method
#4 | 2014-06-05Hybrid drill bit
#5 | 2012-05-17METHODS OF MAKING EARTH-BORING TOOLS AND METHODS OF DRILLING WITH EARTH-BORING TOOLS
#6 | 2012-02-02Drilling apparatus with reduced exposure of cutters and methods of drilling
#7 | 2011-11-03CASING SHOES INCLUDING CUTTING ELEMENTS, CUTTING ELEMENTS FOR EARTH-BORING TOOL, AND RELATED METHODS
#8 | 2011-10-27Casing and liner drilling shoes having spiral blade configurations, and related methods
#9 | 2011-10-27Casing and liner drilling shoes with portions configured to fail responsive to pressure, and related methods
#10 | 2011-10-27Casing shoes having drillable and non-drillable cutting elements in different regions and related methods
#11 | 2011-10-27Casing and liner drilling shoes having selected profile geometries, and related methods
#12 | 2011-10-27Casing and liner drilling shoes having integrated operational components, and related methods
#13 | 2011-08-25Methods of drilling using differing types of cutting elements
#14 | 2011-03-31Earth-boring tools, methods of making earth-boring tools and methods of drilling with earth-boring tools
#15 | 2010-11-18Hybrid drill bit
#16 | 2009-05-21Hybrid drill bit and design method
#17 | 2008-12-11Drilling tool for reducing cutter damage when drilling through formation changes, and methods of design and operation thereof
#18 | 2008-06-26Earth boring drill bits with casing component drill out capability and methods of use
#19 | 2007-05-10Methods for optimizing efficiency and durability of rotary drag bits and rotary drag bits designed for optimal efficiency and durability
#20 | 2007-04-12Cutting elements configured for casing component drillout and earth boring drill bits including same
#21 | 2006-04-06Earth boring drill bits with casing component drill out capability and methods of use
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