Mechanism for a sliding roof

Method of protecting contents of a barge while in transit

Multipurpose tower for monohull

Plastic sheet barge hatch cover

Plasticized and assembleable cover such as for use with...

Portable barge cover

Positive-action device for bringing about the rotary movement of

Removeable companionway

Self-deploying safety brace spring

Self-latching hatch cover for barges

Ship hatch cover

Ship hatch cover

Shutter door assembly

Sliding deck assembly providing engine compartment access

Supporting pad for hatch covers of ships

Telescoping and rolling cover assembly for a barge

Telescoping and rolling cover assembly for a barge

Tilt-up curtain for small boats

Unit for mounting hood of watercraft

Wave responsive hatch cover locking and sealing mechanism