Lake pump suction mechanism
Land-based desalination using positively buoyant or...
Landscaping pond system
Large area catch basin filter
Leaf and debris catcher
Leaf and debris catcher
Leaf guard and strainer assembly for a gutter downspout
Leaf skimmer system
Leaf trap and main drain assembly
Leaf trap kit for swimming pools
Lift with automated dump
Light-weight drainage line unit employing end-to-end connectors
Light-weight drainage line units
Liquid decontamination apparatus
Liquid decontamination method
Liquid filtering device for swimming pools in particular
Liquid filtration system
Liquid flow drainage control
Liquid flow system including multi-axial liquid flow screening m
Liquid non-leaking gas-venting seal for a container containing l