Patents by Inventor Lev A. Pronin

Lev A. Pronin 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).

  • Method for cleaning ferromagnetic chip from a lubricant-coolant and an apparatus for carrying out the method
    Patent number: 5036170
    Abstract: In a method and apparatus for cleaning ferromagnetic chip from a lubricant-coolant the chip is heated, held at a preset temperature, and acted upon by a rotating electromagnetic field within a temperature range from 105.degree. C. to 310.degree. C.
    Type: Grant
    Filed: March 14, 1989
    Date of Patent: July 30, 1991
    Inventors: Boris G. Arabei, Sergei B. Kostyrev, Alexandr S. Mints, Lev A. Pronin, Dmitry I. Ryzhonkov, Sergei A. Sopochkin, Sergei A. Stepnov, Vladimir L. Esikman, Andrei V. Vasiliev, ALexandr P. Kolgin