Patents by Inventor Greg A. Prince

Greg A. Prince 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 and apparatus for injecting molten metal into a mold
    Patent number: 6651727
    Abstract: Air voids within a die casting may be minimized by controlling, during the shot process, the venting of gas from the shot tube through a shot tube opening with the proper size at a proper location, and the movement of metal within the shot tube to avoid entrapped gas and prematurely solidified aluminum particles in the molten metal being injected into the die cavity during the shot process.
    Type: Grant
    Filed: June 14, 2002
    Date of Patent: November 25, 2003
    Assignee: Delaware Machinery and Tool Co., Inc.
    Inventors: Greg A. Prince, Richard L. Smith, Harry Richey