Patents by Inventor Robert N. Britz

Robert N. Britz 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).

  • Fan wheel
    Patent number: 4040769
    Abstract: A fan wheel in which the blades and hub assembly are fabricated from pieces of plate welded together along extended surfaces.
    Type: Grant
    Filed: February 20, 1976
    Date of Patent: August 9, 1977
    Inventor: Robert N. Britz