LandOfFree - US Patents - Listing for Pipe joints or couplings

Pipe joints or couplings – Essential catch

Joint for connecting ducts for fluid distribution systems

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

Joint for connecting lamp pipes

Pipe joints or couplings – With means blocking release of holding means

Joint for connecting pipes

Pipe joints or couplings – Frangible element – Score line or groove

Joint for connecting sprinklers to underground water pipes

Pipe joints or couplings – Essential catch – With manipulator

Joint for connection of a corrugated pipe

Pipe joints or couplings – With fluid pressure seal – With separate – encased pipe-gripping means

Joint for connection of gas cock to metal pipe

Pipe joints or couplings – Packed – Sleeve

Joint for corrugated pipe

Pipe joints or couplings – Packed – Frictional retention upon insertion

Joint for coupling plastic corrugated pipes

Pipe joints or couplings – Essential catch – Leaf spring

Joint for coupling small-diameter pipes

Pipe joints or couplings – Essential catch – Leaf spring

Joint for coupling small-diameter pipes

Pipe joints or couplings – Particular interface – Annular socket

Joint for coupling tubes

Pipe joints or couplings – With strain relief

Joint for culvert sections and the like

Pipe joints or couplings – Serial,relatively movable portions – Serial diverse single flow path or line

Joint for different-diameter pipes and method of connecting diff

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

Joint for double pipe and brazing method thereof

Pipe joints or couplings – Having plural independent paths – For concentric tubes or pipes

Joint for duplex pipes

Pipe joints or couplings – Molded joint – Weld

Joint for fuel tank and method for manufacturing the same

Pipe joints or couplings – Packed – Screw thimble-gland

Joint for high pressure fluid

Pipe joints or couplings – Molded joint – Interlocked

Joint for joining together two pipe ends

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

Joint for oil-or gas-field pipe