Patents by Inventor Robert B. Burkhart

Robert B. Burkhart 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).

  • Disk drive having a base with a protruding peripheral metal flange that is folded over a top cover to enclose helium
    Patent number: 8451559
    Abstract: A novel disk drive enclosure includes a disk drive base having a bottom portion and four side walls that define a cavity therebetween. At least one disk is mounted in the cavity. The disk drive also includes a top seal that includes a peripheral portion that overlies each of the four side walls and a central portion that spans the cavity. A metal flange protrudes from all four side walls of the disk drive base, and is folded over the peripheral portion of the top seal along all four side walls. The top seal is continuously adhered to the metal flange along an entire length of all four side walls. The disk drive enclosure encloses helium gas.
    Type: Grant
    Filed: January 25, 2012
    Date of Patent: May 28, 2013
    Assignee: Western Digital Technologies, Inc.
    Inventors: Keith R. Berding, Sudha Narayan, Robert B. Burkhart, Thomas J. Hitchner