Control of erosion
Control system for enhancing fish survivability in a...
Controlling erosion of river or sea beds
Cooling water intake system
Corner watering irrigation system and apparatus
Corrogated drainpipe and method of manufacturing same
Corrosion protection for mooring and riser elements of a...
Corrugated drainage tubing and method and apparatus for...
Corrugated leaching chamber
Corrugated leaching chamber
Coupling between an above sea-level platform and a...
Coupling structure for a leaching chamber
Covering element for protecting structures against scouring...
Covering structure for dams, dikes and other hydrotechnical...
Crest gate
Crude oil sweep dredge
Culvert beaver block
Culvert end guard
Cushioned dock fender structure and shear type cushion member
Cyclonic entrance apparatus for the removal of floating liquids