Patents by Inventor Marvin W. Ringer, Jr.

Marvin W. Ringer, Jr. 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).

  • Frangible roof joint for storage tanks
    Patent number: 4989752
    Abstract: A frangible roof joint forming a flexible gastight connection between a tank shell and a roof, comprising an annular link mechanism sealingly secured at or adjacent a first edge thereof to a rim of the tank and sealingly secured at or adjacent a second edge thereof to the periphery of the roof. The securement of the annular link mechanism to the rim and the roof is such as to permit articulation of the annular link mechanism relative to the rim and roof to a point of failure of the joint upon pressurization of the tank above a predetermined pressure.
    Type: Grant
    Filed: February 18, 1987
    Date of Patent: February 5, 1991
    Assignee: Monsanto Company
    Inventors: John V. Birtwistle, E. Ernest Morgenegg, Jr., Marvin W. Ringer, Jr.