Patents by Inventor Steven M. Denzer

Steven M. Denzer 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).

  • Differential optical interferometric profilomenty for real time manufacturing control
    Patent number: 5523839
    Abstract: The present invention is an on-line manufacturing process control system and method using a twin or dual beam heterodyned optical interferometer as the monitor of changes in the surface characteristics of an object while the object is being manufactured. The changes in the surface characteristics can then be used as data by automated equipment either to determine whether the manufactured object monitored at a given time meets predetermined quality standards or to automatically alter various individual phases of the manufacturing process in order for the surface characteristics of the manufactured object to conform to predetermined quality standards.
    Type: Grant
    Filed: February 28, 1994
    Date of Patent: June 4, 1996
    Assignee: Minnesota Mining & Manufacturing
    Inventors: Glen M. Robinson, Timothy B. Carlson, Richard W. Peterson, Steven M. Denzer, Robert P. Groschen, Jr., Michael J. Schmainda