General Downhole Technologies Ltd.

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Calgary, CA

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Patents Grantslast 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...

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Patents Applicationslast 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

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Trademarklast 30 trademarks

Information Trademark
86733139 - REGULATOR
- Serial number 86733139
- Filing date Aug 21, 2015
- General Downhole Technologies Ltd.
- 7 - Machines and machine tools