Patents by Inventor C. Edward Warmington

C. Edward Warmington 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).

  • Casting operation emergency shut-off apparatus
    Patent number: 5105873
    Abstract: The apparatus for manually interrupting the flow of molten metal from the tundish includes a frame, and elements for removably securing the frame to the tundish adjacent the tundish orifice. The apparatus further includes a plug assembly for blocking the flow of the molten metal through the orifice. Linkage assembly is provided for moving the plug assembly between a flow permitting and a flow blocking position. The plug assembly is supported on the linkage assembly so that the plug assembly may seek a sealing seat in the orifice.
    Type: Grant
    Filed: September 6, 1991
    Date of Patent: April 21, 1992
    Inventors: C. Edward Warmington, Dennis L. Warmington