Patents by Inventor Barry C. Wingfield

Barry C. Wingfield 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).

  • Vertically parted mould having a feeder unit therein
    Patent number: 5291938
    Abstract: A mould for metal casting which is vertically parted into two parts, comprises one or more mould cavities and a plurality of feeder cavities each communicating with a mould cavity, and has a feeder unit comprising a plurality of interconnected feeder sleeves therein, each of the feeder sleeves surrounding one of the feeder cavities. The mould may be a vertically parted permanent mould or die, or particularly a vertically parted sand mould.
    Type: Grant
    Filed: May 29, 1992
    Date of Patent: March 8, 1994
    Assignee: Foseco International Limited
    Inventors: D. George Metevelis, Barry C. Wingfield