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

Pipe joints or couplings – Particular interface – Tapered

Dual metal seal for wellhead housing

Pipe joints or couplings – Particular interface – Tapered

Dual synchronized thread fluid connector cross-reference to rela

Pipe joints or couplings – Particular interface – Tapered

Expandable connection

Pipe joints or couplings – Particular interface – Tapered

Expandable slotted tubing string and method for connecting...

Pipe joints or couplings – Particular interface – Tapered

Expandable threaded connection

Pipe joints or couplings – Particular interface – Tapered

External refacing indicator for a tool joint

Pipe joints or couplings – Particular interface – Tapered

Fast make-up fatigue resistant rotary shouldered connection

Pipe joints or couplings – Particular interface – Tapered

Fatigue-resistant threaded bevelled tubular element

Pipe joints or couplings – Particular interface – Tapered

Fatigue-resistant threaded connector

Pipe joints or couplings – Particular interface – Tapered

Female connector

Pipe joints or couplings – Particular interface – Tapered

Female-type coupling nipple

Pipe joints or couplings – Particular interface – Tapered

Fitting employing flexible plastic tubing with rolled back end

Pipe joints or couplings – Particular interface – Tapered

Flange joint assembly

Pipe joints or couplings – Particular interface – Tapered

Flare fitting assembly with metal-to-metal line seal

Pipe joints or couplings – Particular interface – Tapered

Flare-shaped end structure for tube

Pipe joints or couplings – Particular interface – Tapered

Flare-tube assembly

Pipe joints or couplings – Particular interface – Tapered

Flare-type pipe joint

Pipe joints or couplings – Particular interface – Tapered

Flared connection structure of pipe end portion

Pipe joints or couplings – Particular interface – Tapered

Flared double-wall structure for connecting metal pipes