LandOfFree - US Patents - Listing for Pipe joints or couplings

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

Joint for pipe intended for petroleum industry

Pipe joints or couplings – Essential catch – Leaf spring

Joint for piping

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

Joint for plastic lined light-weight metal piping

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

Joint for plastic lined metal piping with reduced diameter pipe

Pipe joints or couplings – Nonmetal to metal – Internal member

Joint for spiral pipe and connecting method

Pipe joints or couplings – With lubrication

Joint for steel pipe having high galling resistance and surface

Pipe joints or couplings – Particular interface – Tapered

Joint for steel tubes

Pipe joints or couplings – Nonmetal to metal – Internal member

Joint for tubings

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

Joint for use in fluid control apparatus

Pipe joints or couplings – With fluid pressure seal – Flexible lip

Joint for variable wall thickness conduit

Pipe joints or couplings – With assembly means or feature – Guide and support

Joint for variable wall thickness conduit

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

Joint head for high-pressure metal piping, and common rail to wh

Pipe joints or couplings – Particular interface – Interlocked or overlapped

Joint in fume-extracting welding gun

Pipe joints or couplings – Flexible joint – rigid members – Socketed packing type

Joint locking system for pipe

Pipe joints or couplings – Packed – Flanged pipe

Joint means having flanges

Pipe joints or couplings – For branched path

Joint mechanism for structural members

Pipe joints or couplings – End to side or plate – Bolt or hook in flow

Joint mechanism for structural members

Pipe joints or couplings – With assembly means or feature – With holding means functioning only during transportation...

Joint mechanism for thin-wall stainless steel pipe

Pipe joints or couplings – Molded joint

Joint part for resin fuel tank