Patents by Inventor Alexander Johannes Gerardus Degen

Alexander Johannes Gerardus Degen 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).

  • Computer network protection
    Patent number: 7788481
    Abstract: The computer system comprises a local network domain of communicating computers and a connection for communication with an external network. A gate device coupled between the local network and the connection is arranged to check files sent from the local network to the connection for the presence of a security tag in the file, and to send or not send on each file to the connection depending on detection of the presence or absence of the security tag in the file.
    Type: Grant
    Filed: August 15, 2003
    Date of Patent: August 31, 2010
    Assignee: Nederlandse Organisatie voor toegepastnatuurweterns chappelijk Onderzoek TNO
    Inventors: Albert Louis Ceasar Christophorus Matthias Bik, Alexander Johannes Gerardus Degen, Coenraad Leo Siman Visser, Rajesh Lachman, Franciscus Hendrikus Nielen