Patents by Inventor Darrel W. Breitling

Darrel W. Breitling 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).

  • Production of copper rod by rolling
    Patent number: 4936127
    Abstract: The method of making copper rod by rolling is significantly improved by effectively controlling the water-soluble oil emulsion used to lubricate the rolls by employing a conductivity probe to maintain the conductivity of the emulsion within desired operating limits.
    Type: Grant
    Filed: May 25, 1989
    Date of Patent: June 26, 1990
    Assignee: Asarco Incorporated
    Inventor: Darrel W. Breitling