Patents by Inventor Fred H. Vandersluis

Fred H. Vandersluis 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).

  • Technique and apparatus for ladle cleanout
    Patent number: 6071467
    Abstract: An apparatus and technique for collecting fumes from a metallurgical vessel such as a ladle are disclosed. The apparatus and technique are particularly well suited for collecting fumes during a cleanout operation of one or more discharge ports along the bottom of the vessel when the vessel is inverted on its side.
    Type: Grant
    Filed: March 13, 1998
    Date of Patent: June 6, 2000
    Assignee: USS/Kobe Steel Company
    Inventors: John Paddock, Fred H. Vandersluis, David J. Diederich