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Jason Williams
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NIsku, CA
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Patents Grants
last 30 patents
Information
Patent Grant
Directional drilling motor
Patent number
9,963,938
Issue date
May 8, 2018
Cathedral Energy Services Ltd.
Dean Norman Foote
E21 - EARTH DRILLING MINING
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Patent Grant
Universal joint for a downhole drilling motor
Patent number
8,915,788
Issue date
Dec 23, 2014
Cathedral Energy Services Ltd.
Dean Norman Foote
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Patents Applications
last 30 patents
Information
Patent Application
DIRECTIONAL DRILLING MOTOR
Publication number
20170044833
Publication date
Feb 16, 2017
CATHEDRAL ENERGY SERVICES LTD.
Dean Norman FOOTE
E21 - EARTH DRILLING MINING
Information
Patent Application
SEAL FOR AN OIL SEALED BEARING ASSEMBLY
Publication number
20160123468
Publication date
May 5, 2016
CATHEDRAL ENERGY SERVICES LTD.
Dean FOOTE
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
Universal Joint for a Downhole Drilling Motor
Publication number
20130288810
Publication date
Oct 31, 2013
CATHEDRAL ENERGY SERVICES LTD.
Dean Norman Foote
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC