Prior art keywords hull boat bow channels spray prior art date 1963-05-16 legal status (the legal status is an assumption and is not a legal conclusion.. - to get around the patent, your cheap snake of a competitor only has to demonstrate some differences between his and yours (people sometimes say "a 10% difference", whatever the @#$% that means in the context of a hull design).. Information from the certificate of registration, including the make and model of the vessel that embodies the design ("title"), the type or style of design ("design"), the designers, the owner, and the registration number, are provided for each registration..
His new company, aspen powerboats, employs a cat design where one hull is narrower (35 percent) than the other. his patent calls it a power proa, and it relies on a single engine in only the wider of the two hulls. the hull shapes, alignment and placement compensate for the offset propulsion thrust, allowing the vessel to run straight and true.. Design protection under the vessel hull design protection act is not available, and registration may not be made, for designs that have received patent protection under title 35 of the united states code.. Regal fastrac hull design controversy . there was a dispute over regal's fastrac hull design. a naval architect, harry schoell, claims it infringes on his duo delta conic hull patent. we cover this dispute on our regal fastrac hull design controversy page..