LandOfFree - US Patents - Listing for Wells,With electrical means

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Subsurface signal transmitting apparatus

Wells – With electrical means – Indicating

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Subsurface signal transmitting apparatus

Wells – With electrical means

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Subsurface signal transmitting apparatus

Wells – With electrical means – Indicating

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Subsurface tubing safety valve

Wells – With electrical means – Electrical motor

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Subsurface well safety valve and control system

Wells – With electrical means

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Sucker rods

Wells – With electrical means – Valve

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Surface controlled subsurface safety valve

Wells – With electrical means

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Swivel and eccentric weight to orient a roller sub

Wells – With electrical means – Electrical motor

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

System and device for optimizing use and installation of...

Wells – With electrical means – Magnetic

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

System and method for connecting wired drill pipe

Wells – With electrical means

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

System and method for sensing load on a downhole tool

Wells – With electrical means – Indicating

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

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