Patents by Inventor Douglas R. Luehrs

Douglas R. Luehrs 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).

  • Publication number: 20040187159
    Abstract: A video on demand (VOD) system (100) for use in a distributed network environment. The distributed network environment contains a number of geographic networks (400A-400N) that are divided into a plurality of tiers (305-1 to 305-N), which are allocated to content providers (225). A content provider (225) provides content to the network with a tier assignment. The content is received pursuant to the assigned tier. Identification information, such as Categorization Information, is provided with and/or associated with a content file. The identification information may be updated at any time, independently of the content.
    Type: Application
    Filed: March 19, 2003
    Publication date: September 23, 2004
    Applicant: Concurrent Computer Corporation, a Delaware Corporation
    Inventors: Robert C. Gaydos, Phillip A. Gabler, Fred J. Allegrezza, Douglas R. Luehrs