Ultra-high pressure hose assembly
Ultra-low permeation hose and method of manufacture
Ultralow expansion brake rubber hose and its production method
Underground irrigation porous pipe
Underground irrigation system
Underground pipe support
Underground pipe support and spacer
Underground piping system
Underground piping system
Undersea pipe
Undersink frozen pipe thawing system
Underwater cryogenic pipeline system
Unified conduit array
Unified conduit array
Unitary conduit for transporting fluids
Unitary double wall piping system
Unitary reduction duct
Universal connector hose for joining an extractor to an element
Universal dust cover for a hydraulic coupling socket
Universal removable insulation