LandOfFree - US Patents - Listing for Pipes and tubular conduits

Pipes and tubular conduits – With closures and plugs – Inflation stem type

Hand tool for temporary plugging of pipe conduits

Pipes and tubular conduits – With closures and plugs

Hatch for the opening and closing of pressurised pipes, in...

Pipes and tubular conduits – Repairing – Patches

Head for replacing mains

Pipes and tubular conduits – Combined – With end structure

Headed thermoplastic tube

Pipes and tubular conduits – Distinct layers – Coated

Heat and corrosion resistant steel pipe having multi-layered...

Pipes and tubular conduits – Combined – With hose protector

Heat and fire resistant protective covering for hoses, cables an

Pipes and tubular conduits – Combined – With hose protector

Heat dissipation

Pipes and tubular conduits – With closures and plugs – Inflation stem type

Heat exchanger assembly method and tube plug for heat exchanger

Pipes and tubular conduits – Distinct layers – With intermediate insulation layer

Heat exchanger tube and method for making

Pipes and tubular conduits – Distinct layers – With intermediate insulation layer

Heat insulated conduit especially suitable for carrying high tem

Pipes and tubular conduits – Distinct layers – With intermediate insulation layer

Heat insulated hose

Pipes and tubular conduits – Flexible – Spirally wound material

Heat insulated hose

Pipes and tubular conduits – Distinct layers – With intermediate insulation layer

Heat insulated line for the transport of fluids

Pipes and tubular conduits – Distinct layers – With intermediate insulation layer

Heat insulating casing

Pipes and tubular conduits – Distinct layers – With intermediate insulation layer

Heat insulating covering and method

Pipes and tubular conduits – Flexible – Corrugated

Heat insulating hose

Pipes and tubular conduits – Distinct layers – With intermediate insulation layer

Heat insulating jacket for a conduit equipped with self-locking

Pipes and tubular conduits – Distinct layers – With intermediate insulation layer

Heat insulating jacket with snap-lock seam

Pipes and tubular conduits – Distinct layers – With intermediate insulation layer

Heat insulating pipe