Patents by Inventor Allen W. Mann

Allen W. Mann 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: 4567935
    Abstract: This invention is directed to the process and system for controlling the level of molten metal in a plurality of vertically oriented, continuous or semicontinuous casting units, particularly electromagnetic casting units. The flows of molten metal to the individual casting units are adjusted automatically in response to a control set point signal from a master controller in order to maintain essentially the same molten metal level in all of the casting units. Improved startup and termination procedures are also given.
    Type: Grant
    Filed: October 16, 1984
    Date of Patent: February 4, 1986
    Assignee: Kaiser Aluminum & Chemical Corporation
    Inventors: Susumu Takeda, Allen W. Mann, David G. Goodrich, Theodore C. Zinniger
  • Patent number: 4498521
    Abstract: This invention is directed to the process and system for controlling the level of molten metal in a plurality of vertically oriented, continuous or semicontinuous casting units, particularly electromagnetic casting units. The flows of molten metal to the individual casting units are adjusted automatically in response to a control set point signal from a master controller in order to maintain essentially the same molten metal level in all of the casting units. Improved startup and termination procedures are also given.
    Type: Grant
    Filed: May 26, 1981
    Date of Patent: February 12, 1985
    Assignee: Kaiser Aluminum & Chemical Corporation
    Inventors: Susumu Takeda, Allen W. Mann, David G. Goodrich, Theodore C. Zinniger