Patents by Inventor Alan L. Rowe

Alan L. Rowe 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).

  • Ordered and reliable maintenance of inter-process relationships in a distributed multiprocessor
    Patent number: 5794034
    Abstract: An apparatus and method, using an inter-processor lock to control access to inter-process relationship data structures in the memory of each processor in a multiprocessor system. The apparatus and method insure that each inter-process relationship is modified in the same sequence on each processor. The apparatus and method also insure that an inter-process relationship is maintained in a consistent state in the face of failure of any of the processors.
    Type: Grant
    Filed: September 23, 1997
    Date of Patent: August 11, 1998
    Assignee: Tandem Computers Incorporated
    Inventors: Venkatesh Harinarayan, Srinivasa D. Murthy, Alan L. Rowe
  • Ordered and reliable signal delivery in a distributed multiprocessor
    Patent number: 5630140
    Abstract: An apparatus and method, using an inter-processor lock to coordinate signal delivery to a process group whose member processes are distributed across multiple processors. The apparatus and method insure that each process group member process receives the same signals in the same order and that no signal is duplicated. The apparatus and method also insure that a partially completed signal delivery is completed even in the face of failure of the signalling processor.
    Type: Grant
    Filed: January 23, 1995
    Date of Patent: May 13, 1997
    Assignee: Tandem Computers Incorporated
    Inventors: Ramin Modiri, Srinivasa D. Murthy, Alan L. Rowe
  • Ordered and reliable maintenance of inter-process relationships in a distributed multiprocessor
    Patent number: 5577261
    Abstract: An apparatus and method, using an inter-processor lock to control access to inter-process relationship data structures in the memory of each processor in a multiprocessor system. The apparatus and method insure that each inter-process relationship is modified in the same sequence on each processor. The apparatus and method also insure that an inter-process relationship is maintained in a consistent state in the face of failure of any of the processors.
    Type: Grant
    Filed: January 23, 1995
    Date of Patent: November 19, 1996
    Assignee: Tandem Computers Incorporated
    Inventors: Venkatesh Harinarayan, Srinivasa D. Murthy, Alan L. Rowe