Patents by Inventor Charles E. Van Buren

Charles E. Van Buren 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).

  • Fabrication of small dense silicon carbide spheres
    Patent number: 4551436
    Abstract: Spherical particles of polycrystalline silicon carbide having a density greater than 80% of the theoretical density for silicon carbide and having an average diameter ranging from about 10 microns to about 5000 microns are produced by forming spherical agglomerates of a sinterable silicon carbide powder and sintering the agglomerates at a temperature ranging from about 1900.degree. C. to about 2300.degree. C.
    Type: Grant
    Filed: April 11, 1984
    Date of Patent: November 5, 1985
    Assignee: General Electric Company
    Inventors: Curtis A. Johnson, Gary M. Renlund, Charles E. Van Buren, Svante Prochazka