LandOfFree - US Patents - Listing for Pipes and tubular conduits

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

Water stop for a loop installation in a pre-insulated pipeline

Pipes and tubular conduits – With closures and plugs

Water stopper and solder instrument

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

Water supply suspending implement with stopping piece

Pipes and tubular conduits – Thawing and freeze protection

Water-escape device for freeze-prone water conduit

Pipes and tubular conduits – With flow regulators and/or baffles – Restrictors

Water-flow control device

Pipes and tubular conduits – With pressure compensators – Variable capacity chambers

Waterhammer suppression apparatus

Pipes and tubular conduits – Combined – With end structure

Watertight fitting for flexible non-metallic conduit

Pipes and tubular conduits – Flexible – Longitudinally seamed

Waveguide elements

Pipes and tubular conduits – Combined – With indicating means

Wear indicator for material transfer systems

Pipes and tubular conduits – Flexible – Distinct layers

Wear resistant rubber hose

Pipes and tubular conduits – Flexible – Spirally wound material

Wear resistant rubber hose

Pipes and tubular conduits – Distinct layers – With mechanical means to hold layers in contact

Wear-resistant pipe

Pipes and tubular conduits – Longitudinally seamed – Sectional

Wearing ring

Pipes and tubular conduits – End protectors – Threaded

Weather-resistant and self-draining thread protector

Pipes and tubular conduits – End protectors – Threaded

Weatherproof flange protective cover and method for protecting a

Pipes and tubular conduits – With closures and plugs

Weep plug

Pipes and tubular conduits – Combined

Weightcoated subsea pipeline section

Pipes and tubular conduits – Joined sections

Weld joint for soot blower lance tube

Pipes and tubular conduits – Longitudinally seamed – Sectional

Welded joint in segmented sheath for compressed gas insulated tr