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General Downhole Technologies Ltd.
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Calgary, CA
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Patents Grants
last 30 patents
Information
Patent Grant
System, method and apparatus for controlling fluid flow through dri...
Patent number
10,107,073
Issue date
Oct 23, 2018
General Downhole Technologies Ltd.
David S. Cramer
E21 - EARTH DRILLING MINING
Information
Patent Grant
System, method and apparatus for controlling fluid flow through dri...
Patent number
9,328,576
Issue date
May 3, 2016
GENERAL DOWNHOLE TECHNOLOGIES LTD.
David S. Cramer
E21 - EARTH DRILLING MINING
Information
Patent Grant
System, method and apparatus for reducing shock and vibration in do...
Patent number
9,187,997
Issue date
Nov 17, 2015
GENERAL DOWNHOLE TECHNOLOGIES, LTD.
David Stuart Cramer
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Patents Applications
last 30 patents
Information
Patent Application
SYSTEM, METHOD AND APPARATUS FOR CONTROLLING FLUID FLOW THROUGH DRI...
Publication number
20190169960
Publication date
Jun 6, 2019
General Downhole Technologies Ltd.
David S. Cramer
E21 - EARTH DRILLING MINING
Information
Patent Application
DOWNHOLE FLOW DIVERSION DEVICE WITH OSCILLATION DAMPER
Publication number
20180038180
Publication date
Feb 8, 2018
General Downhole Technologies Ltd.
David S. CRAMER
E21 - EARTH DRILLING MINING
Information
Patent Application
SYSTEM, METHOD AND APPARATUS FOR CONTROLLING FLUID FLOW THROUGH DRI...
Publication number
20180010422
Publication date
Jan 11, 2018
General Downhole Technologies Ltd.
David S. Cramer
E21 - EARTH DRILLING MINING
Information
Patent Application
SYSTEM, METHOD AND APPARATUS FOR CONTROLING FLUID FLOW THROUGH DRIL...
Publication number
20160208576
Publication date
Jul 21, 2016
General Downhole Technologies Ltd.
David S. Cramer
E21 - EARTH DRILLING MINING
Information
Patent Application
System, Method And Apparatus For Controlling Fluid Flow Through Dri...
Publication number
20140020955
Publication date
Jan 23, 2014
General Downhole Technologies Ltd.
David S. Cramer
E21 - EARTH DRILLING MINING
Trademark
last 30 trademarks
Information
Trademark
86733139 - REGULATOR
Serial number
86733139
Filing date
Aug 21, 2015
General Downhole Technologies Ltd.
7 - Machines and machine tools