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Michael S. KRAUEL
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Houston, TX, US
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Patents Grants
last 30 patents
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Patent Grant
Heavy duty rope sockets and related methods
Patent number
8,820,403
Issue date
Sep 2, 2014
National-Oilwell Varco, L.P.
James R. Streater
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Heavy duty rope sockets and related methods
Patent number
8,607,881
Issue date
Dec 17, 2013
National-Oilwell Varco, L.P.
James R. Streater
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Percussion hammer bit with a driver sub including a guide sleeve po...
Patent number
8,312,944
Issue date
Nov 20, 2012
Smith International, Inc.
Alan J. Marshall
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Patents Applications
last 30 patents
Information
Patent Application
HEAVY DUTY ROPE SOCKETS AND RELATED METHODS
Publication number
20140060817
Publication date
Mar 6, 2014
National-Oilwell Varco, L.P.
James R. STREATER
E21 - EARTH DRILLING MINING
Information
Patent Application
HEAVY DUTY ROPE SOCKETS AND RELATED METHODS
Publication number
20120145395
Publication date
Jun 14, 2012
JAMES R. STREATER, JR.
E21 - EARTH DRILLING MINING
Information
Patent Application
Percussion Hammer Bit With a Driver Sub Including a Guide Sleeve Po...
Publication number
20100187016
Publication date
Jul 29, 2010
Smith International, Inc.
Alan J. Marshall
E21 - EARTH DRILLING MINING