LandOfFree - US Patents - Listing for Pipe joints or couplings

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Well tubing liner system

Pipe joints or couplings – With casing – lining or protector – Lined

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Well-tubing expansion joint

Pipe joints or couplings – With assembly means or feature – Particular tool-engaging means or with tool

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Wellhead apparatus

Pipe joints or couplings – Pipe to discreet nipple or sleeve to plate – Nipple sealed to plate

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Wellhead apparatus

Pipe joints or couplings – Pipe to discreet nipple or sleeve to plate – Nipple sealed to plate

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Wellhead assembly

Pipe joints or couplings – Pipe to discreet nipple or sleeve to plate – Nipple sealed to plate

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Wellhead body lockdown and method for engaging same

Pipe joints or couplings – With assembly means or feature

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Wellhead casing hanger support mechanism

Pipe joints or couplings – Pipe to discreet nipple or sleeve to plate – Nipple sealed to plate

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Wellhead connector

Pipe joints or couplings – With assembly means or feature – Guide and support

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Wellhead connector

Pipe joints or couplings – With assembly means or feature

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Wellhead connector with release mechanism

Pipe joints or couplings – With assembly means or feature – Quick release

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Wellhead equipment support

Pipe joints or couplings – With means blocking release of holding means – Thread lock

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Wellhead flange for interconnecting a threaded wellhead and a fl

Pipe joints or couplings – Elbow

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Wellhead joint and sealing ring

Pipe joints or couplings – Particular interface – Tapered

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Wellhead load supporting system

Pipe joints or couplings – Pipe to discreet nipple or sleeve to plate – Expandable detent engages plate to hold nipple

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Wellhead sealing assembly

Pipe joints or couplings – With assembly means or feature

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Wellhead security apparatus

Pipe joints or couplings – With lock or seal

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Wellhead slip and seal assembly

Pipe joints or couplings – Serial,relatively movable portions – Linked ball and socket portions

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Wellhead slip and seal assembly

Pipe joints or couplings – Serial,relatively movable portions – Plural swivels

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Wellhead tieback system with locking dogs

Pipe joints or couplings – With assembly means or feature – Guide and support

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Wet-dry cementable coupling for plastic pipe

Pipe joints or couplings – Repair

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

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