Inventor · disambiguated record
Gerhard Schwenk
Also filed as: SCHWENK GERHARD
25 granted patents·3 pending applications·1,259 citations·filing 1981–2005
97Inventor score
Files withGIESECKE & DEVRIENT GMBH12GAO GES AUTOMATION ORG11SCHWENK GERHARD2GIERING THOMAS1GLESECKE & DEVRIENT GMBH1
Top patents by PatentIndex Score
28 records- 0198US4892336AAntifalsification document having a security thread embedded therein and a method for producing the sameGAO GES AUTOMATION ORG·Filed 1987·Granted Jan 9, 1990·284 cites·22 claims
- 0294US4756557ASecurity document having a security thread embedded therein and methods for producing and testing the authenticity of the security documentGAO GES AUTOMATION ORG·Filed 1985·Granted Jul 12, 1988·138 cites·28 claims
- 0390US4442170ASecurity document with security features in the form of luminescing substancesGAO GES AUTOMATION ORG·Filed 1981·Granted Apr 10, 1984·71 cites·16 claims
- 0488US4451530ASecurity paper with authenticity features in the form of luminescing substancesGAO GES AUTOMATION ORG·Filed 1981·Granted May 29, 1984·114 cites·22 claims
- 0587US4452843ASecurity paperGAO GES AUTOMATION ORG·Filed 1981·Granted Jun 5, 1984·105 cites·33 claims
- 0685US4533244AProcess for authenticity determination of security documents with security features in the form of luminescing substancesGAO GES AUTOMATION ORG·Filed 1984·Granted Aug 6, 1985·47 cites·12 claims
- 0785US4463970ASecurity paper having camouflage materials to protect its authenticity featuresGAO GES AUTOMATION ORG·Filed 1981·Granted Aug 7, 1984·37 cites·21 claims
- 0883US7487919B2System for checking the security features of documents of valueGIESECKE & DEVRIENT GMBH·Filed 2004·Granted Feb 10, 2009·26 cites·18 claims
- 0983US6383618B1Printed document comprising a luminescent authenticity featureFiled 1999·Granted May 7, 2002·46 cites·25 claims
- 1083US6344261B1Printed document having a value and comprising a luminescent authenticity feature based on a host latticeGIESECKE & DEVRIENT GMBH·Filed 1999·Granted Feb 5, 2002·71 cites·39 claims
- 1182US7999237B2Valuable documentGIESECKE & DEVRIENT GMBH·Filed 2005·Granted Aug 16, 2011·4 cites·46 claims
- 1282US6506476B1Printed document having a value, with luminescent authenticity featureGLESECKE & DEVRIENT GMBH·Filed 1999·Granted Jan 14, 2003·58 cites·26 claims
- 1381US6974623B2Antifalsification paper provided with applied coding consisting of luminescent mottled fibersGIESECKE & DEVRIENT GMBH·Filed 2000·Granted Dec 13, 2005·14 cites·13 claims
- 1479US5112672ASecurity document having an electrically conductive security element embedded thereinGAO GES AUTOMATION ORG·Filed 1989·Granted May 12, 1992·41 cites·19 claims
- 1574US6503603B1Printed document having a value and comprising a luminescent authenticity featureGIESECKE & DEVRIENT GMBH·Filed 1999·Granted Jan 7, 2003·32 cites·32 claims
- 1672US7845570B2Value documentGIESECKE & DEVRIENT GMBH·Filed 2004·Granted Dec 7, 2010·11 cites·40 claims
- 1772US4446204ASecurity paper with authenticity featuresGAO GES AUTOMATION ORG·Filed 1981·Granted May 1, 1984·39 cites·14 claims
- 1869US5509691ASecurity element in the form of threads or strips to be embedded in security documents and a method for producing and testing the sameGAO GES AUTOMATION ORG·Filed 1994·Granted Apr 23, 1996·44 cites·5 claims
- 1967US5795379APigments and a method for producing themGIESECKE & DEVRIENT GMBH·Filed 1996·Granted Aug 18, 1998·31 cites·21 claims
- 2062US8262134B2Value documentSCHWENK GERHARD·Filed 2004·Granted Sep 11, 2012·5 cites·31 claims
- 2160US5324079ASecurity document having a security thread embedded thereinGAO GES AUTOMATION ORG·Filed 1992·Granted Jun 28, 1994·27 cites·10 claims
- 2253US2008116272A1Value Document with Luminescent PropertiesGIERING THOMAS·Filed 2005·Application pending·0 cites
- 2352US2007257481A1Value DocumentSCHWENK GERHARD·Filed 2004·Application pending·0 cites
- 2451US7790056B2Coding system for value documentsGIESECKE & DEVRIENT GMBH·Filed 2004·Granted Sep 7, 2010·1 cites·24 claims
- 2544US2006131425A1Value document comprising a machine-readable authenticity markGIESECKE & DEVRIENT GMBH·Filed 2004·Application pending·0 cites
- 2642US7906201B2Value documentGIESECKE & DEVRIENT GMBH·Filed 2004·Granted Mar 15, 2011·4 cites·22 claims
- 2742US7819434B2Value documentGIESECKE & DEVRIENT GMBH·Filed 2004·Granted Oct 26, 2010·4 cites·32 claims
- 2835US5935693AData carrierGIESECKE & DEVRIENT GMBH·Filed 1998·Granted Aug 10, 1999·5 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →