Patents by Inventor Julian D. Derucki

Julian D. Derucki 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 blast furnace fuel injection
    Patent number: 5227117
    Abstract: A blast furnace blowpipe is provided having multipe bosses for a plurality of fuel injection lances spaced around the periphery of the blowpipe.
    Type: Grant
    Filed: May 29, 1992
    Date of Patent: July 13, 1993
    Assignee: USX Corporation
    Inventor: Julian D. Derucki