LandOfFree - US Patents - Listing for Wells,Valves, closures or changeable restrictors,Rotated operator

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Ball valve assembly

Wells – Valves – closures or changeable restrictors – Rotated operator

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Ball valve housing

Wells – Valves – closures or changeable restrictors – Rotated operator

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Ball valve loading apparatus

Wells – Valves – closures or changeable restrictors – Rotated operator

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Downhole tester valve with resilient seals

Wells – Valves – closures or changeable restrictors – Rotated operator

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Downhole valve

Wells – Valves – closures or changeable restrictors – Rotated operator

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Flow control valve for use in oil and gas wells and the like

Wells – Valves – closures or changeable restrictors – Rotated operator

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Flow control valve for use on oil and gas wells or the like

Wells – Valves – closures or changeable restrictors – Rotated operator

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Mechanically actuated subsurface injection tool

Wells – Valves – closures or changeable restrictors – Rotated operator

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Method and apparatus for controlling the injection profile of a

Wells – Valves – closures or changeable restrictors – Rotated operator

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Rotationally operated back pressure valve

Wells – Valves – closures or changeable restrictors – Rotated operator

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Safety valve for horizontal tree

Wells – Valves – closures or changeable restrictors – Rotated operator

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Stage cementing apparatus

Wells – Valves – closures or changeable restrictors – Rotated operator

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Tubing valve

Wells – Valves – closures or changeable restrictors – Rotated operator

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Valve apparatus

Wells – Valves – closures or changeable restrictors – Rotated operator

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Valve control apparatus

Wells – Valves – closures or changeable restrictors – Rotated operator

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Valve operable under oppositely directed pressure differentials

Wells – Valves – closures or changeable restrictors – Rotated operator

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

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