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Frederick Pheasey
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Edmonton, CA
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Patents Grants
last 30 patents
Information
Patent Grant
Drive shaft assembly for a downhole motor
Patent number
9,404,527
Issue date
Aug 2, 2016
National-Oilwell Varco, L.P.
Nicholas Ryan Marchard
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Systems and methods for increasing the life of downhole driveshaft...
Patent number
9,382,950
Issue date
Jul 5, 2016
National-Oilwell Varco, L.P.
Frederick William Pheasey
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Bearing assembly for a downhole motor
Patent number
8,376,616
Issue date
Feb 19, 2013
National-Oilwell Varco, L.P.
Frederick William Pheasey
F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information
Patent Grant
Sealing system and bi-directional thrust bearing arrangement for a...
Patent number
8,181,720
Issue date
May 22, 2012
National-Oilwell Varco, L.P.
Jonathan Ryan Prill
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Patents Applications
last 30 patents
Information
Patent Application
SYSTEMS AND METHODS FOR INCREASING THE LIFE OF DOWNHOLE DRIVESHAFT...
Publication number
20150051004
Publication date
Feb 19, 2015
National-Oilwell Varco, L.P.
Frederick William Pheasey
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
Drive Shaft Assembly for a Downhole Motor
Publication number
20140299382
Publication date
Oct 9, 2014
National-Oilwell Varco, L.P.
Nicholas Ryan Marchand
E21 - EARTH DRILLING MINING
Information
Patent Application
Sealing System and Bi-Directional Thrust Bearing Arrangement for a...
Publication number
20100326730
Publication date
Dec 30, 2010
National-Oilwell Varco, L.P.
Jonathan Ryan Prill
E21 - EARTH DRILLING MINING