P
PatentIndex
Search
Landscape
Sign in
Inventor
EHRL HANS-PETER
DE
4 patents
⚠️ This page may combine multiple inventors who share the name “EHRL HANS-PETER”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
GIESECKE & DEVRIENT
1 patent
US7737417B2
Jun 15, 2010
Device and method for verifying value documents
GIESECKE & DEVRIENT
32 citations
90
BLOSS MICHAEL
1 patent
US9310231B2
Apr 12, 2016
Checking unit and method for calibrating a checking unit
BLOSS MICHAEL
30 citations
89
LEYBOLD HERAEUS GMBH & CO KG
1 patent
US4207835A
Jun 17, 1980
Arrangement and photometer for measuring and controlling the thickness of optically active thin layers
LEYBOLD HERAEUS GMBH & CO KG
11 citations
70
GIESECKE & DEVRIENT GMBH
1 patent
US9460579B2
Oct 4, 2016
Sensor for checking value documents
GIESECKE & DEVRIENT GMBH
1 citations
49