Patents by Inventor Elpidio C. Arruda

Elpidio C. Arruda 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).

  • Patent number: 4737255
    Abstract: A dissolving cell for the continuous processing of a sample, having a dissolving chamber enclosed by the sample, a seal and the body of the cell in combination with an anode. The cell includes a cathode and a D.C. power source for effecting the dissolution of the sample through an electrolyte conveyed to the chamber by an inlet terminal in open communication therewith. The dissolving cell includes a degasing shaft positioned between the dissolving chamber and outlet pipe. A first outlet pipe at the top of the degaser vents gases to a drain and a second outlet pipe communicating with the bottom of the degasser conveys electrolyte with sample to additional processing equipment.
    Type: Grant
    Filed: December 19, 1986
    Date of Patent: April 12, 1988
    Assignee: 501 Usinas Siderugicas de Minas Gerais S/A
    Inventors: Elpidio C. Arruda, Carlos A. Coutinho