Patents by Inventor Paul R. Haldemann

Paul R. Haldemann 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).

  • Method and apparatus for non-destructively detecting flaws in a carbon andode
    Patent number: 5473248
    Abstract: A system and method of automatic, in-line electrical quality control of a carbon anode including detecting internal flaws in the carbon anode by measuring an eddy-current loss of the carbon anode and determining intrinsic resistivity of the carbon anode by measuring resistivity of the carbon anode and determining the electrical quality of the carbon anode according to the measured eddy-current loss and the measured resistivity.
    Type: Grant
    Filed: April 3, 1995
    Date of Patent: December 5, 1995
    Assignee: The University of Maryland at College Park
    Inventors: Paul R. Haldemann, Eman P. Fawzi