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Stephen C. Steinke
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The Woodlands, TX, US
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Patents Grants
last 30 patents
Information
Patent Grant
Drill bit performance analysis tool
Patent number
7,707,009
Issue date
Apr 27, 2010
Smith International, Inc.
Stephen C. Steinke
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Drill bit performance analysis tool
Patent number
7,286,959
Issue date
Oct 23, 2007
Smith International, Inc.
Stephen C. Steinke
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Cutter element with non-linear, expanded crest
Patent number
6,782,959
Issue date
Aug 31, 2004
Smith International, Inc.
James C. Minikus
E21 - EARTH DRILLING MINING
Information
Patent Grant
Cutter element with non-linear, expanded crest
Patent number
6,561,293
Issue date
May 13, 2003
Smith International, Inc.
James C. Minikus
E21 - EARTH DRILLING MINING
Information
Patent Grant
Steel tooth cutter element with expanded crest
Patent number
6,367,568
Issue date
Apr 9, 2002
Smith International, Inc.
Stephen C. Steinke
E21 - EARTH DRILLING MINING
Information
Patent Grant
Cutter element with expanded crest geometry
Patent number
6,241,034
Issue date
Jun 5, 2001
Smith International, Inc.
Stephen C. Steinke
E21 - EARTH DRILLING MINING
Information
Patent Grant
Cutter element with non-rectilinear crest
Patent number
6,161,634
Issue date
Dec 19, 2000
James C. Minikus
E21 - EARTH DRILLING MINING
Information
Patent Grant
Rock bit lubrication system
Patent number
4,428,442
Issue date
Jan 31, 1984
Smith International, Inc.
Stephen C. Steinke
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
DRILL BIT PERFORMANCE ANALYSIS TOOL
Publication number
20080125981
Publication date
May 29, 2008
Stephen C. Steinke
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Drill bit performance analysis tool
Publication number
20050038631
Publication date
Feb 17, 2005
Stephen C. Steinke
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Cutter element with non-linear, expanded crest
Publication number
20030188896
Publication date
Oct 9, 2003
Smith International, Inc.
James C. Minikus
E21 - EARTH DRILLING MINING
Information
Patent Application
Steel tooth cutter element with expanded crest
Publication number
20010027881
Publication date
Oct 11, 2001
Stephen C. Steinke
E21 - EARTH DRILLING MINING
Information
Patent Application
Cutter element with non-linear, expanded crest
Publication number
20010025728
Publication date
Oct 4, 2001
James C. Minikus
E21 - EARTH DRILLING MINING