Patents by Inventor Edward W. SHILLING

Edward W. SHILLING 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).

  • Open exit molten metal gas injection pump
    Patent number: 11193492
    Abstract: A molten metal pump comprised of a base defining a pumping chamber, an impeller disposed within said pumping chamber, an outlet passage extending from said pumping chamber, said outlet passage being defined by opposed top and bottom walls and opposed side walls, wherein said top and side walls terminate at an intersection with a boundary of the base and said bottom wall terminates inward from said boundary.
    Type: Grant
    Filed: July 24, 2017
    Date of Patent: December 7, 2021
    Assignee: PYROTEK, INC.
    Inventors: Richard S. Henderson, Jason Tetkoskie, Edward W. Shilling
  • OPEN EXIT MOLTEN METAL GAS INJECTION PUMP
    Publication number: 20200182246
    Abstract: A molten metal pump comprised of a base defining a pumping chamber, an impeller disposed within said pumping chamber, an outlet passage extending from said pumping chamber, said outlet passage being defined by opposed top and bottom walls and opposed side walls, wherein said top and side walls terminate at an intersection with a boundary of the base and said bottom wall terminates inward from said boundary.
    Type: Application
    Filed: July 24, 2017
    Publication date: June 11, 2020
    Applicant: Pyrotek, Inc.
    Inventors: Richard S. HENDERSON, Jason TETKOSKIE, Edward W. SHILLING