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G. Alexander Nield
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Pasadena, CA, US
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Patents Grants
last 30 patents
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Patent Grant
Braking system for a draw works used for drilling operations
Patent number
10,035,687
Issue date
Jul 31, 2018
Barry J. Nield
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Patents Applications
last 30 patents
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Patent Application
BRAKING SYSTEM FOR A DRAW WORKS USED FOR DRILLING OPERATIONS
Publication number
20170050827
Publication date
Feb 23, 2017
Barry J. Nield
B66 - HOISTING LIFTING HAULING