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James-Christian F. Ang
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Hutto, TX, US
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Patents Grants
last 30 patents
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Patent Grant
System and method of directional sensor calibration
Patent number
11,619,518
Issue date
Apr 4, 2023
Bench Tree Group, LLC
Jian-Qun Wu
E21 - EARTH DRILLING MINING
Information
Patent Grant
System and method of directional sensor calibration
Patent number
10,866,116
Issue date
Dec 15, 2020
Bench Tree Group, LLC
Jian-Qun Wu
G01 - MEASURING TESTING
Information
Patent Grant
System and method of directional sensor calibration
Patent number
9,863,785
Issue date
Jan 9, 2018
Bench Tree Group, LLC
Jian-Qun Wu
E21 - EARTH DRILLING MINING
Information
Patent Grant
System and method of directional sensor calibration
Patent number
9,250,100
Issue date
Feb 2, 2016
Bench Tree Group, LLC
Jian-Qun Wu
G01 - MEASURING TESTING
Patents Applications
last 30 patents
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Patent Application
SYSTEM AND METHOD OF DIRECTIONAL SENSOR CALIBRATION
Publication number
20230349723
Publication date
Nov 2, 2023
Bench Tree Group, LLC
Jian-Qun Wu
E21 - EARTH DRILLING MINING
Information
Patent Application
SYSTEM AND METHOD OF DIRECTIONAL SENSOR CALIBRATION
Publication number
20210262827
Publication date
Aug 26, 2021
Bench Tree Group, LLC
Jian-Qun Wu
G01 - MEASURING TESTING
Information
Patent Application
SYSTEM AND METHOD OF DIRECTIONAL SENSOR CALIBRATION
Publication number
20180143036
Publication date
May 24, 2018
Bench Tree Group, LLC
Jian-Qun Wu
G01 - MEASURING TESTING
Information
Patent Application
SYSTEM AND METHOD OF DIRECTIONAL SENSOR CALIBRATION
Publication number
20160123765
Publication date
May 5, 2016
Bench Tree Group, LLC
Jian-Qun Wu
G01 - MEASURING TESTING
Information
Patent Application
SYSTEM AND METHOD OF DIRECTIONAL SENSOR CALIBRATION
Publication number
20150168176
Publication date
Jun 18, 2015
Bench Tree Group, LLC
Jian-Qun Wu
G01 - MEASURING TESTING