LandOfFree - US Patents - Listing for Wells,Packers or plugs

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Drag spring unit

Wells – Packers or plugs – Expanded by confined fluid from central chamber – pump or...

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Drill pipe bridge plug

Wells – Packers or plugs – With expanding anchor

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Drillable bridge plug

Wells – Packers or plugs – With expanding anchor

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Drillable bridge plug

Wells – Packers or plugs – With expanding anchor

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Drillable bridge plug

Wells – Packers or plugs – With expanding anchor

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Drillable bridge plug

Wells – Packers or plugs – With expanding anchor

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Drillable bridge plug

Wells – Packers or plugs – Flow stopping type; e.g. – plug

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Drillable down hole tool

Wells – Packers or plugs – With expanding anchor

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Drillable inflatable packer and methods of use

Wells – Packers or plugs – With controllable passage between central chamber and space...

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Drillable well-fluid flow control tool

Wells – Packers or plugs – With expanding anchor

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Dual bore well treating tool

Wells – Packers or plugs – With controllable passage between central chamber and space...

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Dual hydraulic set packer

Wells – Packers or plugs – With expanding anchor

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Dual string tension-set, tension-release well packer

Wells – Packers or plugs – With expanding anchor

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Dual string tubing hanger and running and setting tool therefor

Wells – Packers or plugs – With expanding anchor

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Dump valve

Wells – Packers or plugs – Controllable passage through packer

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

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