Patents by Inventor Anthony Robert Washer

Anthony Robert Washer 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).

  • Method and system for fault tolerant transaction-oriented data processing system
    Patent number: 6493826
    Abstract: A fault-tolerant transaction processing system and method stores records associated with operations of the system in order to permit recovery in the event of a need to roll back a transaction or to restart the system. At least some of the operational records are stored as a recovery log in low-speed non-volatile storage and at least some are stored as a recovery list in high speed volatile storage. Rollback of an individual transaction is effected by reference to the recovery list whereas restart of the system is effected by reference to the recovery log.
    Type: Grant
    Filed: July 12, 2000
    Date of Patent: December 10, 2002
    Assignee: International Business Machines Corporation
    Inventors: Andrew John Schofield, Anthony Robert Washer
  • Method and system for performing resource updates and recovering operational records within a fault-tolerant transaction-oriented data processing system
    Patent number: 6154847
    Abstract: A fault-tolerant transaction processing system and method stores records associated with operations of the system in order to permit recovery in the event of a need to roll back a transaction or to restart the system. At least some of the operational records are stored as a recovery log in low-speed non-volatile storage and at least some are stored as a recovery list in high speed volatile storage. Rollback of an individual transaction is effected by reference to the recovery list whereas restart of the system is effected by reference to the recovery log.
    Type: Grant
    Filed: September 1, 1994
    Date of Patent: November 28, 2000
    Assignee: International Business Machines Corporation
    Inventors: Andrew John Schofield, Anthony Robert Washer