Patents by Inventor David Edward Caldwell

David Edward Caldwell 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).

  • Natural language product comparison guide synthesizer
    Patent number: 7418447
    Abstract: A Natural Language Product Comparison Guide Synthesizer that lets developers easily create web-based comparison guides for a given type of product. Each comparison guide will solicit users' product requirements, let them compare different products, and recommend one or more products based on their preferences. The guide uses automatically generated natural language to facilitate the comparison of products, and to convey and explain its recommendations.
    Type: Grant
    Filed: January 16, 2001
    Date of Patent: August 26, 2008
    Assignee: CoGenTex, Inc.
    Inventors: David Edward Caldwell, Michael White, Tanya Korelsky
  • Natural language product comparison guide synthesizer
    Publication number: 20020095411
    Abstract: A Natural Language Product Comparison Guide Synthesizer that lets developers easily create web-based comparison guides for a given type of product. Each comparison guide will solicit users' product requirements, let them compare different products, and recommend one or more products based on their preferences. The guide uses automatically generated natural language to facilitate the comparison of products, and to convey and explain its recommendations.
    Type: Application
    Filed: January 16, 2001
    Publication date: July 18, 2002
    Inventors: David Edward Caldwell, Michael White, Tanya Korelsky