Patents by Inventor Robert F. Staab

Robert F. Staab 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).

  • Fuel tank vent value and probe assembly
    Patent number: 5706857
    Abstract: A vent valve assembly is provided which will allow a probe for a gauging system to be added to underground fuel tanks which include a vapor recovery system. The support assembly replaces existing float valve assemblies and combines a valving structure with a support for a fuel system gauge probe. A gauging system may be easily and inexpensively added to existing underground fuel tanks with minimum disruption to the operation of the gas station.
    Type: Grant
    Filed: May 3, 1995
    Date of Patent: January 13, 1998
    Assignee: Arizona Instruments Inc.
    Inventors: Edward J. Dowling, Jr., Donald C. Esperson, Robert F. Staab