LandOfFree - US Patents - Listing for Pipe joints or couplings

Pipe joints or couplings – With assembly means or feature – With holding means functioning only during transportation...

Tubular member coupling device

Pipe joints or couplings – With fluid pressure seal – Expansible internal sleeve-type gasket

Tubular member coupling device

Pipe joints or couplings – Deformed – Outwardly expanded

Tubular member for underwater connection having volume

Pipe joints or couplings – Particular interface – Tapered

Tubular members

Pipe joints or couplings – Particular interface – Tapered

Tubular members and threaded connections for casing drilling...

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

Tubular metal fitting expandable in a wall opening and...

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

Tubular metal fitting expandable in a wall opening and...

Pipe joints or couplings – For branched path – T-type

Tubular metal part having pullouts

Pipe joints or couplings – With lubrication

Tubular pin configuration to prevent galling while ensuring seal

Pipe joints or couplings – Connector for conduit housing electromagnetic line:

Tubular reducer fitting for electrical nonmetallic tubing

Pipe joints or couplings – Materials – Nonmetallic

Tubular resin connection structure

Pipe joints or couplings – Nonmetal to metal – Internal member

Tubular rubber products

Pipe joints or couplings – Frangible element

Tubular safety joint for drill strings

Pipe joints or couplings – Elbow

Tubular sealing device

Pipe joints or couplings – Molded joint – Weld

Tubular socket

Pipe joints or couplings – Essential catch

Tubular tailpiece for a flush valve

Pipe joints or couplings – Particular interface – Tapered

Tubular threaded connector joint with separate interfering locki

Pipe joints or couplings – Particular interface – Tapered

Tubular threaded joint

Pipe joints or couplings – Particular interface – Annular socket

Tubular threaded joint capable of being subjected to...