Patents by Inventor Jan S. Gruczka

Jan S. Gruczka 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: 4533786
    Abstract: A padmounted transformer enclosure including a tank, terminal cover and sill which cooperatively define a composite structure having no pointed upper corners. The tank-terminal cover interface, and the terminal cover-sill interface, are both square, requiring no matching of curved surfaces.
    Type: Grant
    Filed: June 8, 1984
    Date of Patent: August 6, 1985
    Assignee: Westinghouse Electric Corp.
    Inventors: Virgil L. Borgmeyer, Dudley L. Galloway, Gary N. Sonnenberg, Jan S. Gruczka, Timothy C. Owen