Patents by Inventor Walter E. Wahnsiedler

Walter E. Wahnsiedler 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).

  • Vacuum die casting machine having improved siphon tube and associated method
    Patent number: 5429174
    Abstract: Vacuum die casting machine including an improved siphon tube for transporting molten metal from a reservoir to a shot cylinder. The siphon tube defines a passageway having a first end portion which is adapted to communicate with a shot cylinder and a second end portion opposite the first end portion which defines a molten metal entry portion. The passageway tapers from the first end portion to the second end portion which reduces jetting in the shot cylinder. An associated method is also disclosed.
    Type: Grant
    Filed: April 22, 1994
    Date of Patent: July 4, 1995
    Assignee: Aluminum Company of America
    Inventor: Walter E. Wahnsiedler