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James Ho
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Carrollton, TX, US
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last 30 patents
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Patent Grant
Position indicator through acoustics
Patent number
10,683,746
Issue date
Jun 16, 2020
Halliburton Energy Services, Inc.
Ralph Harvey Echols
E21 - EARTH DRILLING MINING
Information
Patent Grant
Position indicator through acoustics
Patent number
9,784,095
Issue date
Oct 10, 2017
Halliburton Energy Services, Inc.
Ralph Harvey Echols
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
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Patent Application
POSITION INDICATOR THROUGH ACOUSTICS
Publication number
20180045037
Publication date
Feb 15, 2018
Halliburton Energy Services, Inc.
Ralph Harvey Echols
E21 - EARTH DRILLING MINING
Information
Patent Application
POSITION INDICATOR THROUGH ACOUSTICS
Publication number
20160273349
Publication date
Sep 22, 2016
Halliburton Energy Services, Inc.
Ralph Harvey Echols
E21 - EARTH DRILLING MINING