Patents by Inventor Nikolai Andreevich Shpakovsky

Nikolai Andreevich Shpakovsky 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: 5974772
    Abstract: The object of the invention is to reduce crop wastage and to simplify the design of the combing unit. The essence of the invention lies in the fact that in the combing unit, the teeth of the working combing element are arranged in rows in the direction of travel, and the upper rim of the front wall of the receiving chamber takes the form of resilient teeth whose ends are located between the lateral edges of the teeth of the working combing element; the angle of inclination of the front wall of the receiving chamber to the horizontal plane is greater than the natural slope angle of a heap of cereal, leguminous crops and grass seeds.
    Type: Grant
    Filed: April 22, 1998
    Date of Patent: November 2, 1999
    Assignee: Ingemar Bjurenvall
    Inventors: Petr Ivanovich Chuksin, Nikolai Andreevich Shpakovsky, Alexandr Timofeevich Golanov, Leonid Nikolaevich Molotkov, Mikhail Vasilevich Kuznetsov, Vasily Ivanovich Losev, Alexandr Ivanovich Skuratovich