The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Dec. 08, 2015

Filed:

Oct. 20, 2011
Applicants:

Daisuke Matsumoto, Tokyo, JP;

Shingen Takeda, Tokyo, JP;

Inventors:

Daisuke Matsumoto, Tokyo, JP;

Shingen Takeda, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B63B 1/00 (2006.01); B63B 1/08 (2006.01); B63B 1/40 (2006.01);
U.S. Cl.
CPC ...
B63B 1/08 (2013.01); B63B 1/40 (2013.01); Y02T 70/125 (2013.01); Y02T 70/128 (2013.01);
Abstract

In a vessel, a first hull bottom () formed with a hull bottom () located at a centerline (C) of a hull () in a width direction inclined upward in a backward direction and a second hull bottom () formed to make an angle equal to or larger than an angle parallel to a design draft (S) and equal to or smaller than an angle of a backward extending line from the first hull bottom () continuously to the first hull bottom () at a position moved forward by a predetermined distance L set in advance from a stern end () are provided, by which the vessel resistance can be reduced at the time of navigation.


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