Patents by Inventor Thomas Ludwig Grunwald

Thomas Ludwig Grunwald 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).

  • Patent number: 3982582
    Abstract: A method and apparatus for casting of metals into a continuous casting mold wherein metal is cast out of a ladle into a tundish having at least one non-regulatable bottom discharge and into at least one mold by means of a pouring tube. After the start of the casting operation the casting jet emanating from the bottom discharge is controlled and, if desired, corrected to the desired casting jet formation and thereafter the pouring tube is brought into the casting position through the casting jet.
    Type: Grant
    Filed: December 2, 1974
    Date of Patent: September 28, 1976
    Assignee: Concast AG
    Inventors: Eberhard Knorr, Thomas Ludwig Grunwald, Arno Oswald