Patents by Inventor Dmitry I. Isirov

Dmitry I. Isirov 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).

  • Mill roll
    Patent number: 4380852
    Abstract: A mill roll has a working layer comprising alternate portions of unequal wear resistance properties along both the circumference and the generating line of the roll barrel. Each portion of the working layer may have the form of a square, rhomb, circle and others, if viewed on a developed surface of the working layer, while, in a plane of the roll cross-section, it is arranged so that its axis of symmetry is inclined at an angle to the radius of the roll.
    Type: Grant
    Filed: January 22, 1981
    Date of Patent: April 26, 1983
    Inventors: Leonid K. Leschinsky, Sergei V. Gulakov, Xenofont X. Stepnov, Boris I. Nosovsky, Valery G. Bendrik, Boris E. Dubinsky, Dmitry I. Isirov, Viktor E. Zelensky