Wilson, Oklahoma
United States
14
2014-10-23
The entities that hold a legal rights for patent applications filed by inventor Webb Earl D.:
Earl D. Webb from Wilson, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Downhole plug apparatus
#2 | 2009-07-16Methods for injecting a consolidation fluid into a wellbore at a subterranian location
#3 | 2008-07-17Connector having offset radius grooves
#4 | 2007-03-22Apparatus for autofill deactivation of float equipment and method of reverse cementing
#5 | 2006-12-07Method and apparatus for generating fluid pressure pulses
#6 | 2006-06-22Apparatus and method for reverse circulation cementing a casing in an open-hole wellbore
#7 | 2006-02-14Anti-rotation method and apparatus for limiting rotation of cementing plugs
#8 | 2005-12-20Apparatus for creating pulsating fluid flow
#9 | 2005-12-15Floating plate back pressure valve assembly
#10 | 2005-10-25Limit clamp for use with casing attachments
#11 | 2005-08-25Removable surface pack-off device for reverse cementing applications
#12 | 2005-05-24Anti-rotation method and apparatus for limiting rotation of cementing plugs
#13 | 2005-05-19Moled foam plugs, plug systems and methods of using same
#14 | 2005-04-19Apparatus and method for disconnecting a tail pipe and maintaining fluid inside a workstring
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