Insulated marine container for liquefied gas

Integrated entry air cushion marine vessel and marine platform

Integrated multiple purpose universal ship hull and replacement

Interchangable superstructures and hulls for ocean going...

Interlocking platform boats

Internal liners for oil tankers or barges to minimize oil spills

Jet drive boat cover

Kneeboard

Knock down boat construction

Knockdown boat with inflatable hull

Laminated pier bumper

Latch system for a watertight bulkhead door

Lateral maneuvering control for water-jet propulsion systems

Lateral support of an lng ship tank using flexible bracing

Layout of a ship steering-house

Leak-safe oil tanker

Leakproof oil super-tanker

Leg and guide construction for use in jackup barges

Life raft having a toroidal water ballast chamber

Lifeboat