Patents by Inventor Lazar N. Shifrin

Lazar N. Shifrin 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).

  • Bar for induction devices
    Patent number: 4880944
    Abstract: A bar for electric induction devices is in the form of a lengthwise rolled-up strip of an insulating material, having at least one layer, the figure obtained in the cross-section of this rolled-up strip being a polygon.
    Type: Grant
    Filed: February 3, 1988
    Date of Patent: November 14, 1989
    Assignee: Nauchno-Issledovatelsky, Proektno-Konstruktorsky I Tekhnologichesky Institut Transformatorostroeniya
    Inventors: Viktor L. Kanaljuk, Anatoly M. Surakov, Vasily M. Chornogotsky, Lazar N. Shifrin