Patents by Inventor Henning J. Christensen

Henning J. Christensen 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).

  • Apparatus for feeding material into a molten stream
    Patent number: 5129629
    Abstract: An apparatus for adding a predetermined amount of inoculant into a molten metal stream having a conveyor means which accurately provides a desired amount of inoculant to a holding chamber mechanism which becomes pressurized and delivers the inoculant under pressure into the molten metal stream. A programmable controller regulates the apparatus to inject accurately measured amounts of inoculant in an automated fashion into the molten metal stream as it fills varying sized molds.
    Type: Grant
    Filed: October 11, 1990
    Date of Patent: July 14, 1992
    Assignee: Hickman, Williams & Company
    Inventor: Henning J. Christensen
  • Method and apparatus for controlling the composition of a molten metal bath
    Patent number: 5082044
    Abstract: An apparatus has means for controlling the composition of a molten metal bath of various elements for providing a consistent molten metal product. The apparatus is automated and the addition of elements to a molten bath is automatically controlled. Also, a method has steps for controlling the composition of the molten metal bath of various elements for providing a consistent molten metal product.
    Type: Grant
    Filed: August 4, 1989
    Date of Patent: January 21, 1992
    Assignee: Hickman, Williams & Company
    Inventor: Henning J. Christensen