Stainless steel liner in oil well pipe
Strain accommodating fluid conduit assembly and fitting therefor
Structure at resin pipe connections
Structure of a water spray hose device
Swaged-type flexible hose coupling
Taper pipe joint
Tee fitting for lined pipe
Thermoplastic liner and a flange on a tubular member lined...
Threaded connection for internally clad pipe
Threaded connection for internally clad pipe
Threaded connection for internally clad pipe
Threaded joint for an oil well pipe
Threaded joint for metal tubes with internal coating
Threaded pipe with surface treatment
Transition fittings
Transition pipe fitting
Tubing and fittings with cast-in-place liners
Tubing interconnection system with different size snap ring groo
Two piece reusable coupling for fiberglass resin lined metal tub
Use of electroless metal coating to prevent galling of threaded