Collapsible tension-compression variable hull structure
Collapsible watercraft
Collar assembly for watercraft
Collision-resistant double-skin structure
Column stabilized semisubmersible pipelaying barge
Column-stabilized offshore platform with water-entrapment...
Combination anchor line adapted for passage over fairlead...
Combination aquatic fin
Combination boat and luggage carrier
Combination boat dolly and reinforcing means
Combination boat stabilizer and sail kit
Combination jacket/sail
Combination life jacket and protective body heat retaining pod
Combination mooring system
Combination pressure-vacuum relief and antipollution valve
Combined buoy and anchor device
Combined catenary and single anchor leg mooring system
Combined clutch and torsion damper for water jet propulsion
Combined cushion and life-belt
Combined cushion and lifebelt