Inventor · disambiguated record
Friedrich Kretschmar
Also filed as: KRETSCHMAR FRIEDRICH
9 granted patents·1 pending application·187 citations·filing 1998–2022
87Inventor score
Files withGIESECKE & DEVRIENT GMBH5Schützmann Jürgen2BURCHARD THEODOR1GIESECKE & DEVRIENT CURRENCY TECHNOLOGY GMBH1HEIM MANFRED1
Top patents by PatentIndex Score
10 records- 0191US6726813B2Security device and method for producing itGIESECKE & DEVRIENT GMBH·Filed 2002·Granted Apr 27, 2004·44 cites·13 claims
- 0290US6382677B1Security element and method for producing sameGIESECKE & DEVRIENT GMBH·Filed 1998·Granted May 7, 2002·61 cites·17 claims
- 0388US8276945B2Security element provided with an optically-variable layer and method for the production thereofHEIM MANFRED·Filed 2005·Granted Oct 2, 2012·8 cites·45 claims
- 0479US7849993B2Devices and method for the production of sheet materialGIESECKE & DEVRIENT GMBH·Filed 2002·Granted Dec 14, 2010·69 cites·87 claims
- 0570US9336640B2Security element for securing documents of valueSchützmann Jürgen·Filed 2008·Granted May 10, 2016·4 cites·20 claims
- 0665US8622435B2Security element and method for producing the sameBURCHARD THEODOR·Filed 2005·Granted Jan 7, 2014·1 cites·37 claims
- 0750US8382163B2Security paperGIESECKE & DEVRIENT GMBH·Filed 2002·Granted Feb 26, 2013·0 cites·26 claims
- 0844US12189157B2Semi-finished product, security element, methods of producing them and document of valueGIESECKE & DEVRIENT CURRENCY TECHNOLOGY GMBH·Filed 2022·Granted Jan 7, 2025·0 cites·15 claims
- 0943US8740094B2Security element for protecting documents of valueSchützmann Jürgen·Filed 2007·Granted Jun 3, 2014·0 cites·21 claims
- 1037US2009001709A1Multi-Ply Security PaperGIESECKE & DEVRIENT GMBH·Filed 2006·Application pending·0 cites
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