Patents by Inventor Larry S. Parkhurst

Larry S. Parkhurst 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).

  • Service station improvements
    Patent number: 4986446
    Abstract: Service station for dispensing fuel to vehicles from fuel dispensers connected by fluid conduits to one or more fuel storage tanks characterized in that the fuel storage tanks are self-contained, flexible and collapsible bladder type tanks supported in an elevated position above the fuel dispensers and the vehicles to which fuel is to be dispensed. An open top containment vessel may also be supported at an elevated position and into which the bladder type tanks may be preferably lowered for non-attached disposition therein.
    Type: Grant
    Filed: December 1, 1989
    Date of Patent: January 22, 1991
    Assignee: Southwest Canopy Company
    Inventors: Jerry A. Montgomery, Larry S. Parkhurst