LandOfFree - US Patents - Listing for Pipe joints or couplings

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

Dual opposed seal ring coupling

Pipe joints or couplings – For branched path – T-type

Dual passage pipe for cycling water to an undersea mineral aggre

Pipe joints or couplings – With support

Dual seal and connection

Pipe joints or couplings – Packed – Plural seals

Dual seal pipe coupling

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

Dual sealing fluid connector

Pipe joints or couplings – Particular interface – Tapered

Dual synchronized thread fluid connector cross-reference to rela

Pipe joints or couplings – With heating or cooling

Dual wall thermally insulated conduit including skin effect heat

Pipe joints or couplings – Pipe to discreet nipple or sleeve to plate

Dual-path, multi-axis swivel coupling for discharge nozzles

Pipe joints or couplings – End to side or plate – Sput

Dual-plane seal for fluid-tight conduit connection

Pipe joints or couplings – With assembly means or feature – Particular tool-engaging means or with tool

Dual-rotary union, rotational isolation adapter

Pipe joints or couplings – With leakage or drip disposal – Weep holes

Dual-seal rotary fluid coupling

Pipe joints or couplings – Pipe to discreet nipple or sleeve to plate – Nipple sealed to plate

Dual-wall drill pipe

Pipe joints or couplings – Pipe to discreet nipple or sleeve to plate – Nipple sealed to plate

Dual-wall drill pipe

Pipe joints or couplings – Particular interface – Annular socket

Duct assembly system

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

Duct attachment and extension for an air conditioning unit

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

Duct connecting structure

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

Duct connecting structure

Pipe joints or couplings – Flange – Clamped

Duct connecting system

Pipe joints or couplings – Flange

Duct connecting system having integral transverse flanges