Allen D. White

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Houston, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Rolling cone drill bit having high density cutting elements
- Patent number 9,856,701
- Issue date Jan 2, 2018
- Smith International, Inc.
- Gary Ray Portwood
- E21 - EARTH DRILLING MINING
Information Patent Grant
Rolling cone drill bit having high density cutting elements
- Patent number 9,074,431
- Issue date Jul 7, 2015
- Smith International, Inc.
- Gary Portwood
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drill bits having optimized cutting element counts for reduced trac...
- Patent number 7,798,255
- Issue date Sep 21, 2010
- Smith International, Inc.
- Joshua Gatell
- E21 - EARTH DRILLING MINING
Information Patent Grant
Rolling cone drill bit having cutter elements positioned in a plura...
- Patent number 7,686,104
- Issue date Mar 30, 2010
- Smith International, Inc.
- Amardeep Singh
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
ROLLING CONE DRILL BIT HAVING HIGH DENSITY CUTTING ELEMENTS
- Publication number 20150376951
- Publication date Dec 31, 2015
- Smith International, Inc.
- Gary Ray Portwood
- E21 - EARTH DRILLING MINING
Information Patent Application
Rolling Cone Drill Bit Having High Density Cutting Elements
- Publication number 20090188724
- Publication date Jul 30, 2009
- Smith International, Inc.
- Gary Portwood
- E21 - EARTH DRILLING MINING
Information Patent Application
DRILL BITS HAVING OPTIMIZED CUTTING ELEMENT COUNTS FOR REDUCED TRAC...
- Publication number 20080179102
- Publication date Jul 31, 2008
- Smith International. Inc.
- Joshua Gatell
- E21 - EARTH DRILLING MINING
Information Patent Application
Rolling Cone Drill Bit Having Cutter Elements Positioned in a Plura...
- Publication number 20070034414
- Publication date Feb 15, 2007
- Smith International, Inc.
- Amardeep Singh
- E21 - EARTH DRILLING MINING