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.

Patent No.:

US 7997221 B1

PDF
Full Text
Expired
Date of Patent:
Aug. 16, 2011

Filed:

Mar. 22, 2010
Applicant:

Dan Nicolaus Costas, Culver City, CA (US);

Inventor:

Dan Nicolaus Costas, Culver City, CA (US);

Assignee:

Other;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B63B 1/34 (2006.01); B63B 1/38 (2006.01);
U.S. Cl.
CPC ...
Abstract

The invention is an apparatus and method for reducing the drag that a vessel hull experiences when moving through the water by interposing air bubbles between the skin of the hull and the stream of water that the vessel is moving through. The invention delivers compressed air to the bottom of the vessel without the need for a high energy air compressor.


Find Patent Forward Citations

Costas, Dan. (2011). Apparatus for reducing drag on a nautical vessel (U.S. Patent No. 7997221). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7997221

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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