General Downhole Technologies Ltd.

Patent Applications and Registrations

Patent applications and USPTO patent grants for General Downhole Technologies Ltd..The latest application filed is for "system, method and apparatus for controlling fluid flow through drill string".

Company Profile

1.5.7

General Downhole Technologies Ltd. - Calgary CA

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.
Trademarks

Patent Activity

Patent	Date
System, Method And Apparatus For Controlling Fluid Flow Through Drill String App 20190169960 - Cramer; David S. ; et al.	2019-06-06
System, method and apparatus for controlling fluid flow through drill string Grant 10,107,073 - Cramer , et al. October 23, 2	2018-10-23
Downhole Flow Diversion Device With Oscillation Damper App 20180038180 - CRAMER; David S. ; et al.	2018-02-08
System, Method And Apparatus For Controlling Fluid Flow Through Drill String App 20180010422 - Cramer; David S. ; et al.	2018-01-11
System, Method And Apparatus For Controling Fluid Flow Through Drill String App 20160208576 - Cramer; David S. ; et al.	2016-07-21
System, method and apparatus for controlling fluid flow through drill string Grant 9,328,576 - Cramer , et al. May 3, 2	2016-05-03
System, method and apparatus for reducing shock and vibration in down hole tools Grant 9,187,997 - Cramer November 17, 2	2015-11-17
Seal System For Downhole Tool App 20140345949 - CRAMER; David S. ; et al.	2014-11-27
System, Method And Apparatus For Controlling Fluid Flow Through Drill String App 20140020955 - Cramer; David S. ; et al.	2014-01-23

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