Patents by Inventor James D. Garner

James D. Garner 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).

  • Concrete screeding machine
    Patent number: 4964754
    Abstract: A screeding machine has mounted thereon, in order from front to rear, a paving material agitating means for dispersing and expelling trapped air, a screeding roller, and first and second drive rollers. For a fine finish, a finishing roller extends from the rear of the machine.
    Type: Grant
    Filed: August 24, 1989
    Date of Patent: October 23, 1990
    Inventors: James D. Garner, John M. Hinnant
  • Concrete screeding machine
    Patent number: 4913584
    Abstract: A screeding machine has mounted thereon, in a trailing position, a finishing roller 51 which is driven at a rotational speed sufficient to impart a polish or patina to the surface of the paving material.
    Type: Grant
    Filed: May 24, 1989
    Date of Patent: April 3, 1990
    Inventors: James D. Garner, John M. Hinnant
  • Concrete screeding machine
    Patent number: 4747726
    Abstract: A screeding machine has hydraulic cylinders for independently raising and lowering the opposite ends of a drive roller to effect steering actions.
    Type: Grant
    Filed: December 29, 1986
    Date of Patent: May 31, 1988
    Inventors: James D. Garner, John M. Hinnant