Patents by Inventor Karl Monreal

Karl Monreal 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).

  • High speed cooling of ingots
    Patent number: 4204880
    Abstract: Ingots to be cooled from above and below arrive on a reversible roller track and are moved back and forth for different lengths so that the ingot advances stepwise in the forward direction. Longer dwell times are interposed on each reversal.
    Type: Grant
    Filed: January 27, 1978
    Date of Patent: May 27, 1980
    Assignee: Mannesmann Aktiengesellschaft
    Inventors: Rudolf Schwitzgobel, Karl Monreal