Patents by Inventor Hartwig Benzler

Hartwig Benzler 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: 20020162000
    Abstract: In a method concerning the verification of the integrity and authorship of a text is revealed based on the use of a tripartite electronic signature: 1 &AutoLeftMatch; K = 72085 ⁢   ⁢ 33172 S = 04381 ⁢   ⁢ 80478 U = 42866 ⁢   ⁢ 39105
    Type: Application
    Filed: September 10, 2001
    Publication date: October 31, 2002
    Inventor: Hartwig Benzler
  • Patent number: 5821871
    Abstract: An authentifying method is revealed which uses as an identification feature images, tokens, texts or sounds which are based on individual knowledges and experiences of a person (PSPI) and which consist of a principal part and a complement or of associated notions, with that person performing the following steps with regard to a plurality of these PSPI: first register them within a memory and keep them inaccessible to other people, secondly make them visible or audible without the complement and in a sequence which other persons cannot foresee, thirdly restore them with the missing complement or verify them; or first subdivide them into their associated elements and assemble and register the latter ones within a plurality of element groups according to superordinated categories of these associated elements, whereby the elements may be accompanied by tokens like numbers or letters, secondly make them visible, audible or available in their subdivided form according to the groups, for the elements of one category
    Type: Grant
    Filed: June 25, 1996
    Date of Patent: October 13, 1998
    Assignee: SC-Info+Inno Technologie Informationen+Innovationen GMBH CC
    Inventor: Hartwig Benzler