Leak resistant plug assembly
Leak sealing
Leak sealing apparatus
Leak-proof device for controlling the flow of a fluid in a...
Leak-tight joint and method of forming same
Leakage interceptor for pipe couplings
Leakproof connection adaptor and autolocking device for pipes
Leakproof connector for deformable tubing
Length compensating joint
Lever actuated fluid coupling
Lever-type clamp
Lift brake for exhaust water for a vertical drain pipe system
Liftys communication hangers
Lightweight catenary system
Lightweight hose with a helically-wound reinforcing member...
Lightweight positive lock coupling
Line coupling device
Line fastening device
Line for guiding a medium
Line of sight hose cover