Patents by Inventor Russell G. Madsen

Russell G. Madsen 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).

  • Process for recovering iron from iron-containing material
    Patent number: 5738694
    Abstract: Iron-rich material waste products, such as electric arc furnace dust, are formed with an organic binder into discrete shapes, such as briquettes and/or other solid shapes. The shapes can then be used in iron and steel making processes and the iron and heavy metal values in the waste product recovered.
    Type: Grant
    Filed: December 19, 1996
    Date of Patent: April 14, 1998
    Assignee: Covol Technologies, Inc.
    Inventors: George W. Ford, Jr., Richard C. Lambert, Russell G. Madsen
  • Process for recovering iron from iron-containing material
    Patent number: 5589118
    Abstract: Iron-rich-material waste products, such as electric arc furnace dust, are formed with an organic binder into discrete shapes, such as briquettes. The shapes can then be used in iron and steel making processes and the iron and heavy metal values in the waste product recovered.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: December 31, 1996
    Assignee: Covol Technologies, Inc.
    Inventors: George W. Ford, Jr., Richard C. Lambert, Russell G. Madsen