Patents by Inventor James Hetzner

James Hetzner 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).

  • Layered manufactured articles having small-diameter fluid conduction vents and method of making same
    Publication number: 20070029698
    Abstract: The invention utilizes a layered manufacturing process to produce an article (2) having at least one small-diameter fluid conduction vent (6) produced during the layered manufacturing process. The invention also includes articles (2) containing at least one small-diameter fluid conduction vent (6) wherein the article (2) and the small-diameter vent or vents (6) are simultaneously produced by a layered manufacturing process.
    Type: Application
    Filed: September 9, 2004
    Publication date: February 8, 2007
    Inventors: Michael Rynerson, James Hetzner
  • Layered manufactured articles having small-width fluid conduction vents and methods of making same
    Publication number: 20070007699
    Abstract: The invention utilizes a layered manufacturing process to produce an article (2) having at least one small-width fluid conduction vent (6) produced during the layered manufacturing process. Such small-width fluid conduction vents (6) may have any desirable cross-sectional shape, orientation, and curvature. The invention also includes articles (2) containing at least one small-width fluid conduction vent (6) wherein the article (2) and the small-width vent or vents (6) are simultaneously produced by a layered manufacturing process.
    Type: Application
    Filed: September 9, 2004
    Publication date: January 11, 2007
    Applicants: Extrude Hone Corporation, General Motors Corporation
    Inventors: Michael Rynerson, James Hetzner, Judith Fisher, Daniel Maas, Donald Nelson, Lawrence Voss
  • Powder metal mold casting for three dimensional parts
    Publication number: 20060042769
    Abstract: A process for powder metal mold casting of three-dimensional parts is disclosed wherein a casting of complex parts is facilitated.
    Type: Application
    Filed: August 24, 2004
    Publication date: March 2, 2006
    Inventors: James Hetzner, Frederick Rozario
  • Aluminum/magnesium 3D-Printing rapid prototyping
    Publication number: 20060045787
    Abstract: A 3D Printing Rapid Prototyping process using Al/Mg particles coated with a metal (i.e. copper, nickel, zinc, or tin) that (1) prevents oxidation of the Al/Mg particles, and (2) either alone, or when alloyed with the aluminum or magnesium core metal, melts below the liquidus temperature of the core.
    Type: Application
    Filed: August 30, 2004
    Publication date: March 2, 2006
    Inventors: William Jandeska, James Hetzner