Patents by Inventor Richard D. Kunzelman

Richard D. Kunzelman 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).

  • Gas compressor
    Patent number: 4316703
    Abstract: The specification discloses a gas compressor incorporating a rotating wheel with cavities therein, the cavities transferring gas into a chamber of elevated pressure while simultaneously using the cavities to transfer a liquid out of that chamber.
    Type: Grant
    Filed: October 29, 1979
    Date of Patent: February 23, 1982
    Inventor: Richard D. Kunzelman