Inventor

STENZEL GERHARD

DE57 patents

⚠️ This page may combine multiple inventors who share the name “STENZEL GERHARD”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

STENZEL GERHARD

GAO GES AUTOMATION ORG

Security paper with authenticity features in the form of substances luminescing only in the invisible region of the optical spectrum and process for testing the same

Data carrier having an optically variable element and methods for producing it

Antifalsification document having a security thread embedded therein and a method for producing the same

Security document having a security thread embedded therein and methods for producing and testing the authenticity of the security document

Security paper with authenticity features in the form of substances luminescing only in the invisible region of the optical spectrum and process for testing the same

Process for authenticity determination of security documents with security features in the form of luminescing substances

Security paper

Security paper with authenticity features in the form of luminescing substances

Security document with security features in the form of luminescing substances

Data carrier having an optically variable element and methods for producing it

Method of producing a document with an unforgeable surface relief

Document with an unforgeable surface

Paper secured against forgery and device for checking the authenticity of such papers

Safeguard against falsification of securities and the like which is suitable for automatic machines

Method and apparatus for detecting printed images on documents by testing for the presence in the images of structural elements having defined regularities which are recognizable by the eye and common to a variety of documents

Examining method for the wear-condition of data carriers

Token such as credit or identification card and an apparatus for testing the token or card

Security paper having camouflage materials to protect its authenticity features

Security paper with authenticity features

Security element in the form of threads or strips to be embedded in security documents and a method for producing and testing the same

Security document having a security thread embedded therein

Security document having an electrically conductive security element embedded therein

Token such as a credit or identification card and an apparatus for testing the token or card

Token such as credit or identification card and an apparatus for testing the token or card

Method of determining the degree of wear of bank-notes and a device for carrying out this method

Method of identifying fluorescent materials

GIESECKE & DEVRIENT GMBH

Printed document having a value and comprising a luminescent authenticity feature based on a host lattice

Machine detectable document of value

Printed document having a value and comprising a luminescent authenticity feature

Document having a value

Security document with a security component and method for the production thereof

Method for equipping papers of value with authenticity features

Apparatus and method for processing thin sheet material such as bank notes

Value document

Method and apparatus for determining the state of bank notes

Security document with a security component and method for the production thereof

Apparatus for incorporating feature substances into a paper web

IBM

Method and system for the automatic generation of multi-lingual synchronized sub-titles for audiovisual data

Method and system for generating a characteristic identifier for digital data and for detecting identical digital data

Method and apparatus for linking representation and realization data

Method and system for the automatic amendment of speech recognition vocabularies

Method and apparatus for the automatic separating and indexing of multi-speaker conversations

Method and system for the automatic segmentation of an audio stream into semantic or syntactic units

GAO AUTOMATION GMBH

Data carrier having an optically variable element and methods for producing it

GAO GESSELLSCHAFT FUR AUTOMATI

Printed security with hallmarks

GLESECKE & DEVRIENT GMBH

Printed document having a value, with luminescent authenticity feature

(unassigned)

Printed document comprising a luminescent authenticity feature

RUHRGAS AG

A burner with a flame retention device

GIESECK & DEVRIENT GMBH

Apparatus for sorting and stacking sheet material

GIESECKE & DE VRIENT GMBH

Machine detectable document of value