Inventor · disambiguated record
Frank Puttkammer
Also filed as: PUTTKAMMER FRANK
9 granted patents·3 pending applications·47 citations·filing 1996–2014
86Inventor score
Files withWHD ELEKTRON PRUEFTECH GMBH5WHD ELECTRONISCHE PRUEFTECHNIK3HERAEUS DEUTSCHLAND GMBH & CO KG2
Top patents by PatentIndex Score
12 records- 0177US9996787B2Layered structure with conductive polymer for recognition of manipulation and process for the production thereofHERAEUS DEUTSCHLAND GMBH & CO KG·Filed 2014·Granted Jun 12, 2018·2 cites·22 claims
- 0277US7301682B1Optically variable security attributeWHD ELEKTRON PRUEFTECH GMBH·Filed 2000·Granted Nov 27, 2007·12 cites·13 claims
- 0377US7133124B2Security element structure for documents, devices for checking documents with such security elements, method of the use thereofWHD ELECTRONISCHE PRUEFTECHNIK·Filed 2003·Granted Nov 7, 2006·16 cites·8 claims
- 0463US7090917B2Security stripsWHD ELEKTRON PRUEFTECH GMBH·Filed 2002·Granted Aug 15, 2006·4 cites·19 claims
- 0558US7262604B2Method of testing documents provided with optico-diffractively effective markingsWHD ELECTRONISCHE PRUEFTECHNIK·Filed 2006·Granted Aug 28, 2007·1 cites·2 claims
- 0653US7129709B2Method of testing documents provided with optico-diffractively effective markingsWHD ELECTRONISCHE PRUEFTECHNIK·Filed 2001·Granted Oct 31, 2006·3 cites·6 claims
- 0753US2016271996A1Security feature based on a polymer layer comprising a first area and a further areaHERAEUS DEUTSCHLAND GMBH & CO KG·Filed 2014·Application pending·0 cites
- 0847US2004105957A1Security featuresFiled 2002·Application pending·0 cites
- 0943US2004101664A1Security featuresFiled 2002·Application pending·0 cites
- 1030US7116406B1Security element structure for documents, devices for checking documents with such security elements, method for the use thereofWHD ELEKTRON PRUEFTECH GMBH·Filed 1998·Granted Oct 3, 2006·3 cites·8 claims
- 1129US5911298AMulti-compact-sensor adapted for mounting at an ascending angleWHD ELEKTRON PRUEFTECH GMBH·Filed 1996·Granted Jun 15, 1999·4 cites·20 claims
- 1219US7367592B1Marking substance and security markings for testing the authenticity of documentsWHD ELEKTRON PRUEFTECH GMBH·Filed 1999·Granted May 6, 2008·2 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →