Patents by Inventor James R. Schmahl

James R. Schmahl 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).

  • Matrix Riser Breaker Insert
    Publication number: 20140348693
    Abstract: A casting system for molding metal. The casting system has a mold comprising a cavity in a predefined shape. A riser in flow communication with the mold wherein the riser provides molten metal to said cavity as the molten metal freezes. A riser breaker insert is between the mold and the riser wherein the riser breaker insert comprises voids. A molten metal supply is provided which is capable of filling the mold and the voids of said riser breaker insert and at least partially filling the riser.
    Type: Application
    Filed: May 16, 2014
    Publication date: November 27, 2014
    Applicant: Porvair PLC
    Inventors: Donald B. Craig, Christopher J. Mann, David P. Haack, James R. Schmahl