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Craig Ivie
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Spring, TX, US
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Patents Grants
last 30 patents
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Patent Grant
Drill bit with enhanced hydraulics and erosion-shield cutting teeth
Patent number
8,733,475
Issue date
May 27, 2014
National Oilwell DHT, L.P.
Thang Vo
E21 - EARTH DRILLING MINING
Information
Patent Grant
On-bit, analog multiplexer for transmission of multi-channel drilli...
Patent number
7,168,506
Issue date
Jan 30, 2007
ReedHycalog, L.P.
Marcel Boucher
E21 - EARTH DRILLING MINING
Information
Patent Grant
Apparatus for weight on bit measurements, and methods of using same
Patent number
6,802,215
Issue date
Oct 12, 2004
ReedHyealog L.P.
Marcel Boucher
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
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Patent Application
DRILL BIT WITH ENHANCED HYDRAULICS AND EROSION-SHIELD CUTTING TEETH
Publication number
20120193149
Publication date
Aug 2, 2012
National Oilwell DHT, L.P.
Tom Roberts
E21 - EARTH DRILLING MINING
Information
Patent Application
Equipment Housing for Downhole Measurements
Publication number
20050257961
Publication date
Nov 24, 2005
Adrian Snell
E21 - EARTH DRILLING MINING
Information
Patent Application
On-Bit, Analog Multiplexer for Transmission of Multi-Channel Drilli...
Publication number
20050230149
Publication date
Oct 20, 2005
Marcel Boucher
E21 - EARTH DRILLING MINING
Information
Patent Application
Apparatus for Weight on Bit Measurements, and Methods of Using Same
Publication number
20050081618
Publication date
Apr 21, 2005
Marcel Luke Boucher
E21 - EARTH DRILLING MINING
Information
Patent Application
Hydraulic Optimization of Drilling Fluids in Borehole Drilling
Publication number
20040108138
Publication date
Jun 10, 2004
Iain Cooper
E21 - EARTH DRILLING MINING