Patents by Inventor Billy R. Simons

Billy R. Simons 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).

  • Vacuum excavator
    Patent number: 5016717
    Abstract: An excavation apparatus includes a suction system with a suction tank pneumatically connected to a blower through a filter subassembly. A suction hose is pneumatically connected to the suction tank. A liquid jet system includes a liquid reservoir fluidically connected to a liquid pump, which in turn is fluidically connected to a spray wand. The suction and liquid jet systems are mounted on a vehicle. An excavation method includes the steps of dislodging earthen material with a liquid jet from the spray wand and sucking it into the suction tank with the suction system.
    Type: Grant
    Filed: March 14, 1989
    Date of Patent: May 21, 1991
    Assignee: Aqua-Vac Locators, Inc.
    Inventors: Billy R. Simons, Ben K. Turner, James T. Brell