Barry D. Calnan

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Conroe, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus and methods to optimize fluid flow and performance of dow...
- Patent number 8,393,417
- Issue date Mar 12, 2013
- Halliburton Energy Services, Inc.
- Ronald G. Earles
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Molds and methods of forming molds associated with manufacture of r...
- Patent number 7,832,456
- Issue date Nov 16, 2010
- Halliburton Energy Services, Inc.
- Barry D. Calnan
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Molds, downhole tools and methods of forming
- Patent number 7,832,457
- Issue date Nov 16, 2010
- Halliburton Energy Services, Inc.
- Barry D. Calnan
- B22 - CASTING POWDER METALLURGY

Patents Applicationslast 30 patents

Information Patent Application
Segmented Downhole Tool
- Publication number 20110203852
- Publication date Aug 25, 2011
- Barry D. Calnan
- E21 - EARTH DRILLING MINING
Information Patent Application
APPARATUS AND METHODS TO OPTIMIZE FLUID FLOW AND PERFORMANCE OF DOW...
- Publication number 20100300761
- Publication date Dec 2, 2010
- Ronald G. Earles
- E21 - EARTH DRILLING MINING
Information Patent Application
MOLDS AND METHODS OF FORMING MOLDS ASSOCIATED WITH MANUFACTURE OF R...
- Publication number 20080028891
- Publication date Feb 7, 2008
- Barry D. Calnan
- B22 - CASTING POWDER METALLURGY
Information Patent Application
MOLDS AND METHODS OF FORMING MOLDS ASSOCIATED WITH MANUFACTURE OF R...
- Publication number 20070277651
- Publication date Dec 6, 2007
- Barry D. Calnan
- B22 - CASTING POWDER METALLURGY