Patents by Inventor Joseph D. Gagel

Joseph D. Gagel 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 making fused-cast refractory products
    Patent number: 5738811
    Abstract: The melt produced in a furnace during the course of making a fused-cast refractory product is effectively treated with a beneficiating gas by injecting the gas in a substantially continuous manner through a tuyere extended beneath the surface of the melt throughout a production campaign and supporting the gas injection between campaigns.
    Type: Grant
    Filed: May 16, 1995
    Date of Patent: April 14, 1998
    Assignee: Monofrax Inc.
    Inventors: Joseph D. Gagel, William C. Parisi, Dean M. Thomas