LandOfFree - US Patents - Listing for Wells,Above ground apparatus

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Wellhead valve removal and installation tool

Wells – Above ground apparatus – Having retractable pipe section to allow closing of gate...

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Wellhead valves

Wells – Above ground apparatus – Inner member anchor or seal with valve

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Wellhead with safety valve for pumping well

Wells – Above ground apparatus – Having retractable pipe section to allow closing of gate...

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Wiper device for stripping fluid from well pipe

Wells – Above ground apparatus – Releasable seal or cleaner disengaged by projection on inner...

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Wireline downhole annulus valve

Wells – Above ground apparatus – Inner member anchor or seal with valve

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Wireline entry sub

Wells – Above ground apparatus – With means facilitating connecting or disconnecting...

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Wireline guiding apparatus

Wells – Above ground apparatus – With assembly or disassembly means

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Wireline oil pan

Wells – Above ground apparatus – With seal for reciprocating member

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Wireline safety check valve

Wells – Above ground apparatus – With valve on cap or head

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Wireline safety mechanism for wireline tools

Wells – Above ground apparatus – Moving tubing or cable into an existing well

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Wireline winch mounting system

Wells – Above ground apparatus – Moving tubing or cable into an existing well

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Work string controller

Wells – Above ground apparatus – With means facilitating connecting or disconnecting...

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Work string controller

Wells – Above ground apparatus – With means facilitating connecting or disconnecting...

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Workover rig support apparatus

Wells – Above ground apparatus – External anchoring or bracing means

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

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