Patents by Inventor Tom Ritchford

Tom Ritchford 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).

  • Annotation Framework
    Publication number: 20120124053
    Abstract: A fact repository contains facts having attributes and values and further having associated annotations, which are used, among other things, to vet facts in the repository and which can be returned in response to a query.
    Type: Application
    Filed: November 8, 2011
    Publication date: May 17, 2012
    Inventors: Tom Ritchford, Jonathan Betz
  • Annotation Framework
    Publication number: 20120117077
    Abstract: A fact repository contains facts having attributes and values and further having associated annotations, which are used, among other things, to vet facts in the repository and which can be returned in response to a query.
    Type: Application
    Filed: November 8, 2011
    Publication date: May 10, 2012
    Inventors: Tom Ritchford, Jonathan Betz
  • Annotation framework
    Patent number: 8055674
    Abstract: A fact repository contains facts having attributes and values and further having associated annotations, which are used, among other things, to vet facts in the repository and which can be returned in response to a query.
    Type: Grant
    Filed: February 17, 2006
    Date of Patent: November 8, 2011
    Assignee: Google Inc.
    Inventors: Tom Ritchford, Jonathan Betz
  • Annotation framework
    Publication number: 20070198499
    Abstract: A fact repository contains facts having attributes and values and further having associated annotations, which are used, among other things, to vet facts in the repository and which can be returned in response to a query.
    Type: Application
    Filed: February 17, 2006
    Publication date: August 23, 2007
    Inventors: Tom Ritchford, Jonathan Betz