LandOfFree - US Patents - Listing for Wells,Automatic

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Safety switching system for clamping devices for pipes

Wells – Automatic

Reexamination Certificate

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Shut-in tools

Wells – Automatic

Patent

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Shut-in tools

Wells – Automatic

Patent

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Shut-off control system for oil/gas wells

Wells – Automatic

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Shutdown system for high pressure well

Wells – Automatic

Patent

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Shutting-off device

Wells – Automatic

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Stuffing box control system

Wells – Automatic

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Subsurface shutoff valve and control means

Wells – Automatic

Patent

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Swab hoist use thereof in conveying crude oil and natural gas

Wells – Automatic

Patent

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System, method, and apparatus for breaking fracturing fluids

Wells – Automatic

Reexamination Certificate

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