Patents by Inventor Sandra S. Unger

Sandra S. Unger 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).

  • Relational database system containing a multidimensional hierachical model of interrelated subject categories with recognition capabilities
    Patent number: 5721910
    Abstract: The present invention is a database and a method of producing that database which can be used to determine the meaning of scientific or technical documents, such as patents and/or technical or scientific publications and/or abstracts of these patents or publications, and to assign the technical documents to one or more scientific or technical categories within a multidimensional hierarchical model which reflects the business, scientific or technical interests of a business, scientific or technical entity or specialty.
    Type: Grant
    Filed: June 4, 1996
    Date of Patent: February 24, 1998
    Assignee: Exxon Research and Engineering Company
    Inventors: Sandra S. Unger, Sibylle Pagnucco, Roger W. Cohen, Rocco A. Fiato