LandOfFree - US Patents - Listing for Wells,Valves, closures or changeable restrictors,Fluid operated

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High flow check valve apparatus

Wells – Valves – closures or changeable restrictors – Fluid operated

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

High pressure conversion for circulating/safety valve

Wells – Valves – closures or changeable restrictors – Fluid operated

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

High temperature subsurface safety valve

Wells – Valves – closures or changeable restrictors – Fluid operated

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Hydraulic actuating means for subsurface safety valve

Wells – Valves – closures or changeable restrictors – Fluid operated

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Hydraulic actuating means for subsurface safety valve

Wells – Valves – closures or changeable restrictors – Fluid operated

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Hydraulic controlled well valve

Wells – Valves – closures or changeable restrictors – Fluid operated

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Hydraulic fluid actuator with metal to metal seals

Wells – Valves – closures or changeable restrictors – Fluid operated

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Hydraulic pumping rod connecting and disconnecting device

Wells – Valves – closures or changeable restrictors – Fluid operated

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Hydraulic valve actuating means for subsurface safety valve

Wells – Valves – closures or changeable restrictors – Fluid operated

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Hydraulically actuated valve

Wells – Valves – closures or changeable restrictors – Fluid operated

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Hydraulically actuated well shifting tool

Wells – Valves – closures or changeable restrictors – Fluid operated

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Hydrostatic referenced safety-circulating valve

Wells – Valves – closures or changeable restrictors – Fluid operated

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Hydrostatic standing valve

Wells – Valves – closures or changeable restrictors – Fluid operated

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

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