LandOfFree - US Patents - Listing for Pipe joints or couplings,Particular interface

Pipe joints or couplings – Particular interface – Tapered

Safety luer connection

Pipe joints or couplings – Particular interface – Tapered

Screw connection device for connecting the flared ends of...

Pipe joints or couplings – Particular interface – Tapered

Screw coupling joint

Pipe joints or couplings – Particular interface – Tapered

Screw joint coupling for oil pipes

Pipe joints or couplings – Particular interface – Tapered

Screw joint for oil well piping

Pipe joints or couplings – Particular interface – Tapered

Screw joint for pipes

Pipe joints or couplings – Particular interface

Screw seal

Pipe joints or couplings – Particular interface – Tapered

Screw threaded joint for continuous-profile tubes

Pipe joints or couplings – Particular interface – Tapered

Screw-threaded pipe joint

Pipe joints or couplings – Particular interface – Tapered

Seal for threaded pipe connection

Pipe joints or couplings – Particular interface – Tapered

Seal ring and joint

Pipe joints or couplings – Particular interface – Tapered

Sealing arrangement for pin and box threaded connection of tubul

Pipe joints or couplings – Particular interface – Tapered

Sealing device with ridges for corrugated stainless steel...

Pipe joints or couplings – Particular interface – Interlocked or overlapped

Sealing system between a metal insert and plastic coupling, and

Pipe joints or couplings – Particular interface

Sealing system for connecting beaded and flat coupling hardware

Pipe joints or couplings – Particular interface – Tapered

Seals for use in oil and gas well production tubing

Pipe joints or couplings – Particular interface – Annular socket

Self sealing disconnect device

Pipe joints or couplings – Particular interface – Annular socket

Self-centering low profile connection

Pipe joints or couplings – Particular interface – Tapered

Self-flaring plastic fittings