Laminar air-flow sail

Laminated cloth construction

Laminated sail fabric

Launch and retrieval arrangement for an aerodynamic profile...

Leech line locking device

Lief furling system for gathering flexible material

Lift creating sail and sail system

Lifting-sail boat apparatus and method

Light-weight code-zero headsail system

Light-weight, soft wing-sail for wind-propelled vehicle

Linear motion wind driven power plant

Load distribution and anti-sag means for luff furling sails

Locking shackle apparatus

Luff feeder assembly for grooved jibstay foils

Luff guiding device and in particular for a sail to be wound on

Luff pad for roller reefing and furling sails