Patents by Inventor Craig Pinhey

Craig Pinhey 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).

  • Process for stabilizing and reusing ladle slag
    Patent number: 6189818
    Abstract: Molten ladle metallurgy furnace (LMF) slag is chilled on a chill plate comprising a number of steel slabs disposed side by side. The slag is poured onto the chill plate and allowed to solidify without the application of any water. Solid slag is removed from the chill plate by mechanical means and is eventually reused to make synthetic slag after further cooling, crushing and screening.
    Type: Grant
    Filed: July 14, 1999
    Date of Patent: February 20, 2001
    Assignee: BPI, Inc.
    Inventors: Keith Kunz, Craig Pinhey, Jim Manning