Patents by Inventor Phillip S. Wilhelm

Phillip S. Wilhelm 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: 6959586
    Abstract: The present invention is a method for evaluating a multiplicity of data handling devices each having a sealed chamber with several interior surfaces. It uses an impurity chamber containing thousands of dispersed gas-borne particles that each contain a marker impurity that is substantially absent from all of the interior surfaces of at least one of the devices. That device is tested for vulnerability to external dust using the marker impurity.
    Type: Grant
    Filed: November 30, 2001
    Date of Patent: November 1, 2005
    Assignee: Seagate Technology LLC
    Inventors: Ronald Lee Watts, Kenneth J. Altshuler, John Douglas Deibert, Phillip S. Wilhelm, Jonathan E. Olson
  • Publication number: 20030103283
    Abstract: The present invention is a method for evaluating a multiplicity of data handling devices each having a sealed chamber with several interior surfaces. It uses an impurity chamber containing thousands of dispersed gas-borne particles that each contain a marker impurity that is substantially absent from all of the interior surfaces of at least one of the devices. That device is tested for vulnerability to external dust using the marker impurity.
    Type: Application
    Filed: November 30, 2001
    Publication date: June 5, 2003
    Inventors: Ronald Lee Watts, Kenneth J. Altshuler, John Douglas Deibert, Phillip S. Wilhelm, Jonathan E. Olson