Patents by Inventor Roy V. Bladen

Roy V. Bladen 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).

  • Cleaning apparatus for a liquid containing vessel
    Patent number: 5097559
    Abstract: A pool cleaning apparatus is provided with spaced apart drive wheels for mobility and suction apparatus to clean the interior surface of the pool. A supplementary drive roller is provided generally between the drive wheels to move the cleaning apparatus off any convex irregularities that may otherwise strand the apparatus in one position in the pool.
    Type: Grant
    Filed: October 24, 1990
    Date of Patent: March 24, 1992
    Assignee: Turlock Products Limited
    Inventors: Harold J. Brunt, Eric T. Stenner, Roy V. Bladen
  • Mounting for a tool holder
    Patent number: D265522
    Type: Grant
    Filed: March 25, 1980
    Date of Patent: July 27, 1982
    Inventor: Roy V. Bladen
  • Cutting tool
    Patent number: D266478
    Type: Grant
    Filed: March 25, 1980
    Date of Patent: October 12, 1982
    Inventor: Roy V. Bladen
  • Belt mounted pocket for a tool holder
    Patent number: D274860
    Type: Grant
    Filed: August 7, 1981
    Date of Patent: July 31, 1984
    Assignee: Hough Industries Limited
    Inventor: Roy V. Bladen