Patents by Inventor David Anthony Cusac

David Anthony Cusac 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).

  • Steam oxidation of powder metal parts
    Patent number: 7520940
    Abstract: A method of forming an oxide layer on a powder metal part includes subjecting the powder metal part to a steam oxidation process. An oxide layer is formed on the powder metal part. The oxide layer has a thickness greater than 7 microns.
    Type: Grant
    Filed: July 29, 2004
    Date of Patent: April 21, 2009
    Assignee: Caterpillar Inc.
    Inventors: Hyung Kyu Yoon, Thomas E. Clements, Daniel Patrick Vertenten, David Anthony Cusac