Rammed air cushion hydroplane
Ramp for slidably supporting a pipeline to be laid on a submerge
Rapid attachment boat docking system
Rebuilt double hull tanker and method of rebuilding an...
Rebuilt double hull tanker and method of rebuilding an...
Rebuilt double hull vessel and method of rebuilding a single...
Rebuilt double hull vessel and method of rebuilding a single...
Recessed bottom tanker
Recesses on a surface
Recovery buoy
Reinforced powerboat construction
Release mechanism for underwater device, such as seismograph
Remote controlled scuttling buoy
Remote steering control for electric outboard motors
Remote unmanned work system (RUWS) electromechanical cable syste
Remotely steered toy boat
Removable lower deck for watercraft
Rescue equipment
Retrofittable monolithic box beam composite hull system
Rideable wave propelled watersport board