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

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 – 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 – Tapered

Seals for use in oil and gas well production tubing

Pipe joints or couplings – Particular interface – Tapered

Self-flaring plastic fittings

Pipe joints or couplings – Particular interface – Tapered

Self-sealing tapered thread form

Pipe joints or couplings – Particular interface – Tapered

Self-setting high pressure fitting

Pipe joints or couplings – Particular interface – Tapered

Self-swaging threaded tubular connection

Pipe joints or couplings – Particular interface – Tapered

Separable pipe and/or armature connection

Pipe joints or couplings – Particular interface – Tapered

Single taper wedge thread connection with mid-seal

Pipe joints or couplings – Particular interface – Tapered

Slim-type threaded joint for oil well pipes