Patents by Inventor Herbert William Knapp

Herbert William Knapp 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).

  • Bidirectional database replication scheme for controlling ping-ponging
    Patent number: 6122630
    Abstract: Transaction ping-pong is selectively prevented in a bidirectional database replication system. The system has a plurality of nodes connected via communication media in a topology. Each node includes a database and a transaction transmitter or collector which sends transactions posted to the database to a database at one or more other nodes for replication in the databases of the one or more other nodes. All transactions to be posted to databases in remote nodes that were sent by a local node are detected, and the database at the local node is inhibited from posting selective transactions which were detected as being originally sent by the local node.
    Type: Grant
    Filed: June 8, 1999
    Date of Patent: September 19, 2000
    Assignee: ITI, Inc.
    Inventors: Gary E. Strickler, Herbert William Knapp, Bruce D. Holenstein, Paul J. Holenstein