Patents by Inventor Natan M. Gimelfarb

Natan M. Gimelfarb 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: 4280345
    Abstract: This invention relates to primary processing of animal hides and more particularly to methods for cleansing cattle hides and to apparatus for carrying out same. According to the proposed method, washing, soaking and removal of dung from the surface of the hides are carried out simultaneously and continuously under copious irrigation of the moving hides with water and the hides are then clamped in position essentially along the axis of movement, while the removal of dung is effected by carding their hair covering and subsequent removal of surface moisture.
    Type: Grant
    Filed: September 11, 1979
    Date of Patent: July 28, 1981
    Inventors: Natan M. Gimelfarb, Fedor T. Lugovnev, Nikolai E. Misjura
  • Patent number: 4202664
    Abstract: This invention relates to primary processing of animal hides and more particularly to methods for cleansing cattle hides and to apparatus for carrying out same. According to the proposed method, washing, soaking and removal of dung from the surface of the hides are carried out simultaneously and continuously under copious irrigation of the moving hides with water and the hides are then clamped in position essentially along the axis of movement, while the removal of dung is effected by carding their hair covering and subsequent removal of surface moisture.
    Type: Grant
    Filed: November 30, 1977
    Date of Patent: May 13, 1980
    Inventors: Natan M. Gimelfarb, Fedor T. Lugovnev, Nikolai E. Misjura