Patents by Inventor William E. Mangan

William E. Mangan 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).

  • Computerized process and apparatus for use with a submerged arc electric furnace to produce metallurgical products
    Patent number: 4213955
    Abstract: The invention relates to a computerized process and apparatus for automatically regulating the power, feed rate and electrode position of hollow or solid electrodes in submerged arc electric furnaces used for the production of quality-controlled metallurgical products such as calcium carbide.
    Type: Grant
    Filed: November 23, 1977
    Date of Patent: July 22, 1980
    Assignee: Union Carbide Corporation
    Inventors: Ralph A. Casciani, Wilmer L. Wilbern, William E. Mangan, Paul D. Franson