Patents by Inventor Douglas L. Chilton

Douglas L. Chilton 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).

  • Dust control system for an abrasive grinder
    Patent number: 4932163
    Abstract: A dust control system is shown for an abrasive grinder. The grinder backing plate is provided with a socket which provides rotating engagement with the mating hub provided on the abrasive disk. As the disk is rotated between a release position and an engagement position, air passage holes provided in abrasive disk are aligned with mating holes provided in the disk backing plate. The device also includes a shroud connected to a vacuum source, the shroud being spaced from the grinder backing plate by a predetermined gap to allow the intake of dust from the work surface.
    Type: Grant
    Filed: August 29, 1989
    Date of Patent: June 12, 1990
    Inventors: Douglas L. Chilton, Cher I. Chilton
  • Dust collector for power tool
    Patent number: D513161
    Type: Grant
    Filed: July 9, 2004
    Date of Patent: December 27, 2005
    Inventor: Douglas L. Chilton