Patents by Inventor Stephen M. Schroeder

Stephen M. Schroeder 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).

  • Insulation structures for electrical inductive apparatus
    Patent number: 4173747
    Abstract: Insulation structures for use in the insulation space and with the phase barrier insulation of an electrical inductive apparatus. The insulation structures include at least one layer of spaced, vertically-extending spacer members which is surrounded on both sides by layers of electrical insulating sheet material. The insulation structures are disposed in movable relation with the adjacent windings and phase barrier insulation, thereby allowing relative movement between the windings and the insulation structures during a short circuit.
    Type: Grant
    Filed: June 8, 1978
    Date of Patent: November 6, 1979
    Assignee: Westinghouse Electric Corp.
    Inventors: Jerry W. Grimes, Stephen M. Schroeder, James M. Waters
  • Transformer with improved insulator
    Patent number: 4095205
    Abstract: Electrical apparatus having certain portions thereof insulated with solid insulating structures. The solid insulating structures include a predetermined thickness of polyethylene terephthalate film which is surrounded on each of its major outer surfaces by a layer of paper having a fibrous web formed of wholly aromatic polyamide fibers.
    Type: Grant
    Filed: July 28, 1977
    Date of Patent: June 13, 1978
    Assignee: Westinghouse Electric Corp.
    Inventors: Stephen M. Schroeder, George P. Michel