DuPriest; Fred E.

Patent Applications and Registrations

Patent applications and USPTO patent grants for DuPriest; Fred E..The latest application filed is for "method for controlling loss of drilling fluid".

Company Profile

0.6.6

DuPriest; Fred E. - Kingwood TX
Dupriest; Fred E. - Houston TX

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

Patent Activity

Patent	Date
Method for controlling loss of drilling fluid Grant 8,672,057 - DuPriest , et al. March 18, 2	2014-03-18
Method for Controlling Loss of Drilling Fluid App 20130146294 - DuPriest; Fred E. ; et al.	2013-06-13
Method for controlling loss of drilling fluid Grant 8,393,411 - Dupriest , et al. March 12, 2	2013-03-12
Hydrocarbon Recovery Operations Fluids and Methods For Using the Same App 20120160497 - Varadaraj; Ramesh ; et al.	2012-06-28
Method of drilling and production hydrocarbons from subsurface formations Grant 7,896,105 - Dupriest March 1, 2	2011-03-01
Method of drilling and producing hydrocarbons from subsurface formations Grant 7,857,047 - Remmert , et al. December 28, 2	2010-12-28
Method For Controlling Loss of Drilling Fluid App 20100181073 - Dupriest; Fred E. ; et al.	2010-07-22
Method of Drilling and Production Hydrocarbons from Subsurface Formations App 20090250264 - Dupriest; Fred E.	2009-10-08
Method of drilling and producing hydrocarbons from subsurface formations App 20080105424 - Remmert; Steven M. ; et al.	2008-05-08

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