LandOfFree - US Patents - Listing for Pipe joints or couplings

Pipe joints or couplings – Having plural independent paths – Parallel paths

Heater core assembly

Pipe joints or couplings – Particular interface – Annular socket

Heating duct

Pipe joints or couplings – Connector for conduit housing electromagnetic line:

Heavy duty hose coupling and method for manufacture of hose-coup

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

Heavy duty tube coupling

Pipe joints or couplings – Molded joint – Weld

Heavy weight drill pipe

Pipe joints or couplings – Essential catch – Coil spring

Helical coil stab-in connector

Pipe joints or couplings – Screw

Helically threaded mechanism

Pipe joints or couplings – Essential catch – Coil spring

Helically wound expandable tubular insert

Pipe joints or couplings – Particular interface – Tapered

Hermetic connection device and method of providing hermetic conn

Pipe joints or couplings – Particular interface – Tapered

Hermetic metal pipe joint

Pipe joints or couplings – Frangible element

Hermetic quick connection and seal for coupling low pressure sys

Pipe joints or couplings – With support

Hexagonal junction adapter for clamping system

Pipe joints or couplings – Pipe to discreet nipple or sleeve to plate – Pipe to nipple connection dependent on nipple to plate...

High capacity bulkhead stuffing insert

Pipe joints or couplings – Particular interface – Tapered

High efficiency drill pipe

Reissue Patent

Pipe joints or couplings – Particular interface – Tapered

High efficiency drill pipe

Pipe joints or couplings – With assembly means or feature

High force connecting mechanism

Pipe joints or couplings – Packed – Socket

High grip pipe connection and gasket

Pipe joints or couplings – With casing – lining or protector – Lined

High integrity flange connection arrangement

Pipe joints or couplings – With assembly means or feature

High preload mechanical connector