Patents by Inventor Mary E. Brewster

Mary E. Brewster 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: 6070133
    Abstract: A method for automatically partitioning an unstructured electronically formatted natural language document into its sub-topic structure. Specifically, the document is converted to an electronic signal and a wavelet transform is then performed on the signal. The resultant signal may then be used to graphically display and interact with the sub-topic structure of the document.
    Type: Grant
    Filed: July 21, 1997
    Date of Patent: May 30, 2000
    Assignee: Battelle Memorial Institute
    Inventors: Mary E. Brewster, Nancy E. Miller
  • Patent number: 5204002
    Abstract: A filtration apparatus and method utilizes inner and outer walls of porous material which curve around an axis of curvature to define a narrow channel having a spiral shape. The curvature of the spiral and/or the gap width of the channel is selected to create and maintain Dean vortices within the flow of fluid along the channel to maintain good flux of filtrate through the porous walls.
    Type: Grant
    Filed: June 24, 1992
    Date of Patent: April 20, 1993
    Assignee: Rensselaer Polytechnic Institute
    Inventors: Georges Belfort, Mary E. Brewster, Kun-Yong Chung