Patents by Inventor Hugh E. Cross

Hugh E. Cross 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).

  • Hazardous fluid dispenser safety system having a mercury tilt switch
    Patent number: 5083676
    Abstract: A system for dispensing hazardous fluid particular suitable for gasoline service stations utilizing an electrical impact sensing switch mounted upon each dispenser wherein the contacts of the normally open switch close upon impact occurring at the dispenser and the switch controls a primary electrical circuit energizing the pumps providing pressurized fluid to the dispenser whereby impact forces de-energizes the pumps minimizing to actuate alarms and alert personnel of the impact.
    Type: Grant
    Filed: April 16, 1990
    Date of Patent: January 28, 1992
    Inventors: William D. Hunter, Hugh E. Cross