LandOfFree - US Patents - Listing for Pipe joints or couplings

Pipe joints or couplings – Particular interface – Tapered

Threaded riser adaptor for attaching a structure to a riser

Pipe joints or couplings – End to side or plate – Swivel with lateral port to annular sleeve

Threaded swivel connector

Pipe joints or couplings – With indicator – alarm or inspection means

Threaded tool joint for connecting large diameter tubulars

Pipe joints or couplings – Particular interface – Tapered

Threaded tool joint for connecting large tubes

Pipe joints or couplings – Particular interface – Tapered

Threaded tool joint with dual mating shoulders

Pipe joints or couplings – Particular interface – Tapered

Threaded tube joint

Pipe joints or couplings – With lubrication

Threaded tubing and casing joint

Pipe joints or couplings – Elbow

Threaded tubing connection

Pipe joints or couplings – Particular interface – Tapered

Threaded tubing seals

Pipe joints or couplings – Nonmetal to metal – Internal member

Threaded tubular connection

Pipe joints or couplings – With lubrication

Threaded tubular connection

Pipe joints or couplings – Particular interface – Tapered

Threaded tubular connection

Pipe joints or couplings – Particular interface – Tapered

Threaded tubular connection

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...