Patents by Inventor Valery I. Ilievsky

Valery I. Ilievsky has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Sailing yacht with a centerboard
    Patent number: 5036783
    Abstract: In a sailing yacht with a centerboard having a hull accommodating a centerboard well containing the centerboard capable of movement therein through rollers along curvilinear guides provided in the centerboard well, according to the invention, the rollers and guides are positioned at either side of the centerboard along its stern edge, the rollers being secured immediately on the centerboard.
    Type: Grant
    Filed: September 20, 1989
    Date of Patent: August 6, 1991
    Inventors: Valery I. Ilievsky, Vladimir J. Emelyanov, Boris A. Medvedev, Evgeny Y. Pivkin