Patents by Inventor James O. Frost

James O. Frost 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).

  • Containment tank assembly
    Patent number: 5287986
    Abstract: A containment tank assembly for the safe storage of liquids wherein an enclosed storage tank is positioned within an open-top containment tank. A space is provided between the adjacent side walls of the storage and containment tanks for receiving any leakage from the storage tank, and a roof extends over the space between the side walls to prevent the leaked liquid in the space from becoming contaminated with rain water.
    Type: Grant
    Filed: February 11, 1993
    Date of Patent: February 22, 1994
    Assignee: Abell Corporation
    Inventor: James O. Frost
  • Tank fitting
    Patent number: 5135133
    Abstract: A plastic tank fitting having a circular flange portion molded integrally with the exterior surface of the plastic tank side wall adjacent to the tank bottom wall, and concentric with a drain opening in the tank side wall. Approximately 240.degree. of the upper portion of the flange is flush with the tank side wall, while approximately 120.degree. of the lower portion of the flange extends downwardly from the tank side wall adjacent the tank bottom wall. A flange and associated pipe fitting are bolted to the molded circular flange portion.
    Type: Grant
    Filed: April 12, 1991
    Date of Patent: August 4, 1992
    Assignee: Abell Corporation
    Inventor: James O. Frost