Patents by Inventor Alexandr F. Kotenko

Alexandr F. Kotenko 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).

  • Patent number: 4901511
    Abstract: The distinguishing feature of the invention resides in the fact that each tine of the rake bar is configured in the cross-section as an isosceles triangle with a working edge defined by a vertex of an angle between the lateral sides in the direction of rotation of the reel, and in the zone of the vertex, the working edge of the tine is defined by the base of the isosceles triangle. A portion of each tine between its vertex a fastener member for attaching the tine to the bat blade is curvilinear and has a longitudinal slot.
    Type: Grant
    Filed: October 13, 1988
    Date of Patent: February 20, 1990
    Inventors: Jury N. Yarmashev, Alexandr I. Nikolaenko, Alexandr F. Kotenko, Evgeny A. Chernenko, Vsevolod V. Abramov, Alexandr V. Veselov, Nikolai I. Rysin, Vera N. Salnikova