Patents by Inventor A. Ross Mitchell

A. Ross Mitchell 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).

  • Dual wall tank
    Patent number: 5090586
    Abstract: A method for making a dual wall tank for storing fluids by producing an inner wall for storing the said fluid, positioning a fabric exteriorally against the inner wall, applying a liquid resin exteriorally to the fabric so as to penetrate partially into the fabric, and curing the liquid resin so as to form simultaneously an outer wall for containing any leakage of the fluid from the inner wall and an interstice consisting of an intermediate layer of fabric permeable to any leakage of the fluid through the first wall; and includes the dual wall container formed thereby.
    Type: Grant
    Filed: December 11, 1990
    Date of Patent: February 25, 1992
    Assignee: Madison Chemical Industries Inc.
    Inventor: A. Ross Mitchell
  • Dual wall tank
    Patent number: 4993581
    Abstract: A method for making a dual wall tank for storing fluids by producing an inner wall for storing the said fluid, positioning a fabric exteriorally against the inner wall, applying a liquid resin exteriorally to the fabric so as to penetrate partially into the fabric, and curing the liquid resin so as to form simultaneously an outer wall for containing any leakage of the fluid from the inner wall and an interstice consisting of an intermediate layer of fabric permeable to any leakage of the fluid through the first wall; and includes the dual wall container formed thereby.
    Type: Grant
    Filed: May 2, 1989
    Date of Patent: February 19, 1991
    Inventor: A. Ross Mitchell