Inventor · disambiguated record
Steffen Schmalz
Also filed as: SCHMALZ STEFFEN
13 granted patents·1 pending application·43 citations·filing 2004–2021
87Inventor score
Files withGIESECKE & DEVRIENT CURRENCY TECHNOLOGY GMBH6GIESECKE & DEVRIENT GMBH5SCHMALZ STEFFEN2GIESECK DEVRIENT CURRENCY TECH GMBH1
Top patents by PatentIndex Score
14 records- 0185US7866545B2Method for identifying banknotes originGIESECKE & DEVRIENT GMBH·Filed 2005·Granted Jan 11, 2011·13 cites·20 claims
- 0283US10573113B2Device and method for checking value documents for marking inkGIESECKE & DEVRIENT CURRENCY TECHNOLOGY GMBH·Filed 2017·Granted Feb 25, 2020·2 cites·11 claims
- 0374US9001318B2Soiling check of the window of a measuring apparatus for checking sheet materialSCHMALZ STEFFEN·Filed 2011·Granted Apr 7, 2015·3 cites·15 claims
- 0473US9852568B2Apparatus and method for checking value documents, in particular bank notes, and value-document processing systemGIESECKE & DEVRIENT GMBH·Filed 2014·Granted Dec 26, 2017·2 cites·15 claims
- 0567US7699153B2Method for identifying counterfeit banknotesGIESECKE & DEVRIENT GMBH·Filed 2004·Granted Apr 20, 2010·12 cites·7 claims
- 0666US8077961B2Bank note processing machine and method for identifying forged bank notesSCHMALZ STEFFEN·Filed 2004·Granted Dec 13, 2011·9 cites·8 claims
- 0765US9171411B2Compensation of disturbances upon magnetic measurements on value documentsGIESECKE & DEVRIENT GMBH·Filed 2012·Granted Oct 27, 2015·2 cites·20 claims
- 0858US10347069B2Apparatus, method and assembly for checking value documents, in particular bank notes, and value-document processing systemGIESECKE & DEVRIENT CURRENCY TECHNOLOGY GMBH·Filed 2017·Granted Jul 9, 2019·0 cites·21 claims
- 0954US2024021037A1Sensor and method for verifying value documentsGIESECKE & DEVRIENT CURRENCY TECHNOLOGY GMBH·Filed 2021·Application pending·0 cites
- 1053US10922913B2Method and apparatus for detecting a security thread in a value documentGIESECKE & DEVRIENT CURRENCY TECHNOLOGY GMBH·Filed 2017·Granted Feb 16, 2021·0 cites·20 claims
- 1152US11263854B2Magnetic testing of valuable documentsGIESECKE & DEVRIENT CURRENCY TECHNOLOGY GMBH·Filed 2019·Granted Mar 1, 2022·0 cites·15 claims
- 1249US10262200B2Method for examining a value document, and means for carrying out the methodGIESECKE & DEVRIENT GMBH·Filed 2015·Granted Apr 16, 2019·0 cites·14 claims
- 1348US11610449B2Device and method for classifying value documents, in particular bank notes, and value document processing systemGIESECKE & DEVRIENT CURRENCY TECHNOLOGY GMBH·Filed 2017·Granted Mar 21, 2023·0 cites·19 claims
- 1447US11521451B2Method and apparatus for detecting a security thread in a value documentGIESECK DEVRIENT CURRENCY TECH GMBH·Filed 2017·Granted Dec 6, 2022·0 cites·21 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →