Patents by Inventor Dmitry E. Belyavsky

Dmitry E. Belyavsky 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).

  • Tool for cutting external threads
    Patent number: 4743146
    Abstract: A tool for cutting external threads in the form of a round die having a housing with thread chasers arranged at its end and extending toward the interior of the housing. The housing has the form of an annulus with an inside diameter greater than the diameter of thread chaser blades by the height of the thread chaser.
    Type: Grant
    Filed: September 2, 1986
    Date of Patent: May 10, 1988
    Assignee: Kharkovsky Filial Golovnogo Spetsialnogo Proizvodstvennogo Konstruktorsko-Tekhnologicheskogo Bjuro Po Ratsionalnomu Primeneniju Rezhuschego Instrumenta "Orgpriminstrument"
    Inventors: Naum L. Khmelnitsky, Albert M. Boyarunas, Anatoly V. Kyzgzmin, Vitaly F. Drozhin, Dmitry E. Belyavsky, Gennady V. Grinvald, Viktor P. Kirienko