Patents by Inventor Oscar E. Manz

Oscar E. Manz 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).

  • Method and means for producing mineral wool
    Patent number: 4971615
    Abstract: A method and means for producing mineral wool from coal slag is described wherein molten coal slag is transferred from a coal slag tank in an electrical generation plant. The molten coal slag is transferred to a fiberization apparatus and is heated during the transfer process to maintain the coal slag in a molten state. In the fiberization apparatus, the molten coal slag is subjected to compressed air streams which creates mineral wool fibers which are collected in a collection apparatus.
    Type: Grant
    Filed: November 20, 1989
    Date of Patent: November 20, 1990
    Assignee: UND-SEM Foundation
    Inventor: Oscar E. Manz
  • Thermal storage brick
    Patent number: 4906598
    Abstract: A thermal storage brick for use with thermal storage heaters comprised of predetermined amounts of crushed taconite pellets, clay and talc. The ingredients are formed into a brick shape under approximately 4000 p.s.i. and are fired at approximately 2150.degree. F. and are allowed to soak for approximately five hours.
    Type: Grant
    Filed: November 17, 1988
    Date of Patent: March 6, 1990
    Inventor: Oscar E. Manz