U.S. patents available from 1976 to present.
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...that it was melting ice cream that inspired the invention of the outboard motor? It was a lovely August day and Ole Evinrude was rowing his boat to his favorite island picnic spot. As he rowed, he watched his ice cream melt and wished he had a faster way to get to the island. At that moment the idea for the outboard motor was born!

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Class 441/28 - Having ballast means


Subclass of Class 441 - Buoys, rafts, and aquatic devices
Definition: Buoy wherein the means to control the vertical, horizontal, or
No. of applications: 3
Last issue date: 01/06/2011


Application No.Application TitleIssue Date
20110000417Buoy
A buoy (1) has a main body (5), and a moveable mass (2) positioned inside the main body. The buoy (1) may be tethered to a submarine vessel and used as a communications buoy. The buoy (1) may be configured for floating in a generally u...
01/06/2011
20090286432Apparatus Having A Buoyant Structure That Resists Rotation
Apparatus includes a buoyant structure having a central vertical axis when floating in water and having at least one feature to reduce a rotation of the buoyant structure about the central vertical axis when floating in the water. The apparatus further includes an elect...
11/19/2009
20070178782LIGHTWEIGHT MARINE BUOY AND METHOD OF HANDLING THE SAME
A lightweight constructed navigation buoy, and method for handling the same, is provided with waterborne stability comparable to the conventional and much heavier navigation buoys. The desired waterborne stability is achieved using a liquid-ballasting/-venting system in...
08/02/2007
 
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