Patents by Inventor David V. Dougherty

David V. Dougherty 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).

  • Cassette configurations to support platters having different diameters
    Patent number: 9543174
    Abstract: A material handling apparatus adapted to support a plurality of disc-shaped platters, such as but not limited to a cassette assembly adapted to support data recording media or substrates during manufacturing. In some embodiments, a cassette assembly includes a base cassette with a base and opposing sidewalls configured to support an outermost perimeter of each of a first plurality of disc-shaped platters having a first diameter. An insert contactingly engages the base cassette. The insert has a plurality of spaced apart grooves to contactingly support an outermost perimeter of each of a second plurality of disc-shaped platters having a different, second diameter.
    Type: Grant
    Filed: August 24, 2015
    Date of Patent: January 10, 2017
    Assignee: Seagate Technology LLC
    Inventors: David V. Dougherty, Ian J. Beresford, Donald E. Curtiss, Thomas Y. Chang
  • Cassette configurations to support platters having different diameters
    Patent number: 9117863
    Abstract: A material handling apparatus adapted to support a plurality of disc-shaped platters, such as but not limited to a cassette assembly adapted to support data recording media or substrates during manufacturing. In some embodiments, a cassette assembly includes a base cassette with a base and opposing sidewalls configured to support an outermost perimeter of each of a first plurality of disc-shaped platters having a first diameter. An insert contactingly engages the base cassette. The insert has a plurality of spaced apart grooves to contactingly support an outermost perimeter of each of a second plurality of disc-shaped platters having a different, second diameter.
    Type: Grant
    Filed: May 1, 2014
    Date of Patent: August 25, 2015
    Assignee: Seagate Technology LLC
    Inventors: David V. Dougherty, Ian J. Beresford, Donald E. Curtiss, Thomas Y. Chang