Patents by Inventor Jeff D. Sigelko

Jeff D. Sigelko 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).

  • METHOD FOR FORMING ARTICLES AT AN ELEVATED TEMPERATURE
    Publication number: 20100236317
    Abstract: A method for hot/warm forming an article that includes heating a billet in a first heater; forging the heated billet in a forging die to form an intermediate workpiece; removing the intermediate workpiece from the forging die while a temperature of the intermediate workpiece is greater than or equal to a predetermined elevated temperature of 1,000 degrees F; and heat treating the intermediate workpiece before the intermediate workpiece has cooled below the predetermined elevated temperature.
    Type: Application
    Filed: March 19, 2009
    Publication date: September 23, 2010
    Inventors: Jeff D. Sigelko, Matthew A. Warner