Internal composite repair apparatus

Inversion liner and liner components for conduits

Inversion liner and liner components for conduits

Invertible liner for internal surfaces of fluid conveying pipes

Lateral interface device with flexible housing

Lateral pipe lining material and lateral pipe lining method

Leak preventing device for a closed container

Leak repair device for rigid pipes

Lined pipe wherein the liner comprises a one-way valve

Liner and method for lining a pipeline

Liner assembly for lining branch pipes and a method for manufact

Liner assembly for pipeline repair and methods of installing...

Liner bag for manhole and method of lining a manhole

Liner for branch pipe of old repaired pipe and lining system...

Liner for reinforcing a pipe and method of making the same

Liner for reinforcing a pipe and method of making the same

Liner hose for reconstruction of conduits and pipelines and...

Liner pipe for repair of a host pipe

Liner reduction system using pressurized dies and apparatus ther

Lining material for rehabilitating an existing pipe and a...