Inventor

STEIDL HELMUT

DE6 patents

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

GIESECKE & DEVRIENT GMBH

2 patents

US7866545B2Jan 11, 2011

Method for identifying banknotes origin

GIESECKE & DEVRIENT GMBH13 citations82

US7699153B2Apr 20, 2010

Method for identifying counterfeit banknotes

GIESECKE & DEVRIENT GMBH12 citations78

SU SHANCHUAN

1 patent

US8837804B2Sep 16, 2014

Method and device for testing value documents

SU SHANCHUAN6 citations67

GIERING THOMAS

1 patent

US8212205B2Jul 3, 2012

Device and method for verifying valuable documents

GIERING THOMAS4 citations60

STEIDL HELMUT

1 patent

US8976420B2Mar 10, 2015

Method and device for processing value documents

STEIDL HELMUT2 citations53

ROEHRL WOLFGANG

1 patent

US10043334B2Aug 7, 2018

Sensor for checking value documents

ROEHRL WOLFGANG0 citations25