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

Pipe joints or couplings – Particular interface – Tapered

Threaded tubular connection having interlocking tubular end...

Pipe joints or couplings – Particular interface – Tapered

Threaded tubular connection which is resistant to bending...

Pipe joints or couplings – Particular interface – Tapered

Threaded tubular connection with outer threaded ring

Pipe joints or couplings – Particular interface – Tapered

Threaded tubular connection with progressive axial thread...

Pipe joints or couplings – Particular interface – Tapered

Threaded tubular coupling

Pipe joints or couplings – Particular interface – Tapered

Threaded tubular element for fatigue resistant threaded...

Pipe joints or couplings – Particular interface – Tapered

Threaded tubular joint proof to external pressure

Pipe joints or couplings – Particular interface – Tapered

Threads with perturbations

Pipe joints or couplings – Particular interface – Tapered

Threads with perturbations

Pipe joints or couplings – Particular interface – Tapered

Threads with perturbations

Pipe joints or couplings – Particular interface – Tapered

Tire valve core

Pipe joints or couplings – Particular interface – Tapered

Tool joint

Pipe joints or couplings – Particular interface – Tapered

Tool joint and drill pipe made therefrom

Pipe joints or couplings – Particular interface – Tapered

Tool joint connection with interlocking wedge threads

Pipe joints or couplings – Particular interface – Tapered

Tool joint with internal/external make-up shoulders

Pipe joints or couplings – Particular interface – Tapered

Trapezoidal seal ring connection

Pipe joints or couplings – Particular interface – Tapered

Tube connecting structure

Pipe joints or couplings – Particular interface – Tapered

Tube connection for thin-walled small-diameter metal pipes

Pipe joints or couplings – Particular interface – Tapered

Tube connection system