Patents by Inventor Stephen Foldes

Stephen Foldes 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).

  • Thermoconstrictive disconnect of conductors in electrical apparatus
    Patent number: 4237513
    Abstract: A protective disconnect to prevent overheating of electrical apparatus is described. The device consists of a cutting member accepting a conductor and capable, upon closure, of severing said conductor. The cutting member is surrounded by a thermoconstrictive material which, upon being subjected to heat at a certain temperature, actuates said member.
    Type: Grant
    Filed: October 25, 1978
    Date of Patent: December 2, 1980
    Inventor: Stephen Foldes
  • Bobbin construction for electrical coils
    Patent number: 4075590
    Abstract: A bobbin construction, particularly for windings surrounding an assembly of ferromagnetic laminations, is described. It consists of a skeletal frame member of molded plastic having an elongated shape, generally of rectangular cross section, over which a winding may be wound. The frame member has laterally extending walls which define the space for the windings and axially extending walls defining the space of the laminations. The latter walls are so constructed as to support covers for enclosure of the core assembly.
    Type: Grant
    Filed: February 22, 1977
    Date of Patent: February 21, 1978
    Inventor: Stephen Foldes