Patents by Inventor Thomas Flessner

Thomas Flessner 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 die casting of metal matrix composite materials from a self-supporting billet
    Patent number: 6098700
    Abstract: Apparatus for die casting a shape from a metal matrix composite billet composed essentially of a metal alloy matrix and dispersed ceramic particles, comprising heating means to soften the metal alloy; a horizontal plunger to drive and to compress the billet; a die through which the softened metal matrix and ceramic particles are formed into a shape defined by the interior surface of the die; and cooling means to maintain the temperature of the interior surface of the die at a predetermined temperature.
    Type: Grant
    Filed: February 1, 1999
    Date of Patent: August 8, 2000
    Assignee: Alyn Corporation
    Inventors: Robin A. Carden, Thomas Flessner
  • Process for die casting of metal matrix composite materials from a self-supporting billet
    Patent number: 5865238
    Abstract: A Billet formed of an aluminum alloy matrix and ceramic particles is heated in an oxygen-containing atmosphere, forming an aluminum oxide surface and softening the matrix alloy. The semi-solid billet then is compressed in a die casting sleeve and the softened matrix material is displaced into a die to form the shape.
    Type: Grant
    Filed: April 1, 1997
    Date of Patent: February 2, 1999
    Assignee: Alyn Corporation
    Inventors: Robin A. Carden, Thomas Flessner