Patents by Inventor Jeffery A. J. Sumner

Jeffery A. J. Sumner 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).

  • Replication horizon determination with an independent distributed database system
    Patent number: 8909814
    Abstract: In a preferred embodiment of the present invention, the replication horizon and other data propagation-related information is tracked through the use of a “pulse” and “echo” approach.
    Type: Grant
    Filed: July 12, 2012
    Date of Patent: December 9, 2014
    Assignee: Progress Software Corporation
    Inventors: Jeffery A. J. Sumner, Morgan W. Jones, Peter G. Stachowski
  • Replication horizon determination with an independent distributed database system
    Patent number: 8244913
    Abstract: In a preferred embodiment of the present invention, the replication horizon and other data propagation-related information is tracked through the use of a “pulse” and “echo” approach.
    Type: Grant
    Filed: March 18, 2005
    Date of Patent: August 14, 2012
    Assignee: Progress Software Corporation
    Inventors: Jeffery A. J. Sumner, Morgan W. Jones, Peter G. Stachowski