Patents by Inventor David Shefferman

David Shefferman 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).

  • Verifying the validity and status of data from disparate sources
    Patent number: 10872100
    Abstract: Resolving a discrepancy between disparate data sources is disclosed. Listing data for an item for sale is received from a plurality of disparate data sources. The listing data is compared with reliable listing data from a reliable data source. It is determined whether there is a discrepancy between the listing data and the reliable listing data. In the event there is a discrepancy between the listing data and the reliable listing data, at least a portion of the listing data is filtered.
    Type: Grant
    Filed: August 13, 2018
    Date of Patent: December 22, 2020
    Assignee: Trulia, LLC
    Inventors: David Shefferman, Alex Parr
  • Verifying the validity and status of data from disparate sources
    Patent number: 10078679
    Abstract: Resolving a discrepancy between disparate data sources is disclosed. Listing data for an item for sale is received from a plurality of disparate data sources. The listing data is compared with reliable listing data from a reliable data source. It is determined whether there is a discrepancy between the listing data and the reliable listing data. In the event there is a discrepancy between the listing data and the reliable listing data, at least a portion of the listing data is filtered.
    Type: Grant
    Filed: September 26, 2011
    Date of Patent: September 18, 2018
    Assignee: Trulia, LLC
    Inventors: David Shefferman, Alex Parr