Removing floating oil from water with a sulfur coalescing bed
Reservoir drainage system
Resonant type apparatus for absorbing wave energy arranged...
Retainer for floating debris
Retaining wall for earth and similar materials
Retaining wall system
Retaining wall systems with sandbag attachment members
Reusable bag for dike construction
Reversible canadian flexible dams (rcfd)
Reversible flexible wall dams (rfwd)
Reversible mechanical coupling for tensional anchorages
Revetment block
Revetment block and mat
Revetment block and mat
Revetment for a bank
Revetment for an embankment, as well as revetment element...
Revetment for protecting the inclined surfaces of beaches,...
Revetment grids and mats
Revetment panel
Revetment panel with staggered compartments