Patents by Inventor Dennis T. Duprey

Dennis T. Duprey 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).

  • Managing compression in data storage systems
    Patent number: 8478731
    Abstract: A method is used in managing compression in data storage systems. A data temperature is determined for a set of data in a block-based data storage system. Based on the data temperature, data compression is applied to the set of data.
    Type: Grant
    Filed: March 31, 2010
    Date of Patent: July 2, 2013
    Assignee: EMC Corporation
    Inventors: Dean D. Throop, Dennis T. Duprey, Karl M. Owen
  • Enhancing access to data storage
    Patent number: 7865677
    Abstract: Access to data storage is enhanced. A logical volume defines a set of block based data storage resources and is presented as a first volume. A virtual LUN portal mechanism serves as an alias for the first volume and is presented as a second volume. A block based data manipulation mechanism is configured to apply to a first I/O request directed to the second volume and not to a second I/O request directed to the first volume.
    Type: Grant
    Filed: June 29, 2006
    Date of Patent: January 4, 2011
    Assignee: EMC Corporation
    Inventors: Dennis T. Duprey, Earle T. MacHardy, Jr.