Patents by Inventor Robb A. Warren

Robb A. Warren 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).

  • Patent number: 6142440
    Abstract: An improved roll support for stabilizing and storing large rolls of web material. The roll support is preferably an elongated molded pulp member. A roll of web material is generally supported by a roll supporting surface defined by a plurality of support wedges contained on a face side surface of the roll support. Each of the support wedges are spaced apart by generally rectangular depressions formed in the front face surface. A plurality of enlarged sidewall arches are formed in the sidewalls of the roll support. The roll support includes a reinforcement bridge formed on the back side surface between each sidewall arch and a protrusion on the back side of the large roll support which corresponds to one of the rectangular depressions on the face side of the large roll support. Preferably, a reinforcement bridge is formed from each corner of the protrusion to one of the sidewall arches.
    Type: Grant
    Filed: March 25, 1999
    Date of Patent: November 7, 2000
    Assignee: Great Northern Corporation
    Inventors: Jeffrey J. Gratz, Robert W. Swannell, Robb A. Warren
  • Patent number: D381180
    Type: Grant
    Filed: July 10, 1995
    Date of Patent: July 15, 1997
    Assignee: Great Northern Corporation
    Inventors: Herbert H. Schueneman, Robb A. Warren, Richard M. Butler, Cary M. Dean
  • Patent number: D385080
    Type: Grant
    Filed: September 5, 1996
    Date of Patent: October 14, 1997
    Assignee: Great Northern Corporation
    Inventors: Herbert H. Schueneman, Robb A. Warren, Richard M. Butler, Cary M. Dean
  • Patent number: D400441
    Type: Grant
    Filed: December 2, 1996
    Date of Patent: November 3, 1998
    Assignee: Great Northern Corporation
    Inventor: Robb A. Warren
  • Patent number: D403961
    Type: Grant
    Filed: December 2, 1996
    Date of Patent: January 12, 1999
    Assignee: Great Northern Corporation
    Inventor: Robb A. Warren