Inventor

DERKS HENDRIK

DE4 patents

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

GIESECKE & DEVRIENT GMBH

2 patents

US7607528B2Oct 27, 2009

Method and device for checking banknotes

GIESECKE & DEVRIENT GMBH13 citations80

US7829869B2Nov 9, 2010

Method and apparatus for checking documents of value

GIESECKE & DEVRIENT GMBH1 citations48

GIESECKE & DEVRIENT CURRENCY TECHNOLOGY GMBH

2 patents

US10573113B2Feb 25, 2020

Device and method for checking value documents for marking ink

GIESECKE & DEVRIENT CURRENCY TECHNOLOGY GMBH2 citations70

US10017341B2Jul 10, 2018

Device for processing sheet material

GIESECKE & DEVRIENT CURRENCY TECHNOLOGY GMBH0 citations37