Patents by Inventor Stephen E. Robertson

Stephen E. Robertson 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 dispenser pump containment apparatus
    Patent number: 5246044
    Abstract: This invention provides an apparatus for containing and terminating fuel leaks at a dispenser pump island. The dispenser containment system of the subject invention comprises a substantially rectangular fiberglass box-like structure, having a lower trough portion and an upper hood portion. The lower trough portion of the dispenser containment system is provided with a plurality of integral fiberglass couplings for interconnecting containment hose with the dispenser pump, an integral fiberglass conduit entry penetration for enabling conductive wires to extend through the dispenser containment system and into the fuel dispenser pump and an integral fiberglass vapor recovery port for removing stage II vapor from the dispenser pump.
    Type: Grant
    Filed: September 24, 1992
    Date of Patent: September 21, 1993
    Assignee: Environmental Protection Products, Inc.
    Inventors: Stephen E. Robertson, Frank C. Marchica