Patents by Inventor Theodore R. Crom

Theodore R. Crom 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).

  • Prestressed composite concrete tank with improved pump joint and method for constructing the same
    Patent number: 5150551
    Abstract: A prestressed composite tank has a vertical wall that extends around a storage area. The wall is made up of a substantially vertical, preferably metallic diaphragm and a layer of shotcrete on one or both sides of the diaphragm. The diaphragm is formed from a series of side-by-side panels, each of which panels has a vertically extending edge portion on each side thereof. The adjacent edge portions of each side-by-side pair of panels are in intimate, mechanical interengagement and subsequently sealed to thereby present fluid impervious joints between the adjacent panels.
    Type: Grant
    Filed: March 12, 1991
    Date of Patent: September 29, 1992
    Assignee: The Crom Corporation
    Inventors: Theodore R. Crom, Gerald C. Bevis