Inventor
KOEHLER HANS
DE12 patents
⚠️ This page may combine multiple inventors who share the name “KOEHLER HANS”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HEIDELBERGER DRUCKMASCH AG
8 patentsUS10214017B2Feb 26, 2019
Method for detecting and compensating for failed printing nozzles in an inkjet printing machine
HEIDELBERGER DRUCKMASCH AG4 citations72
US10603923B2Mar 31, 2020
Method for detecting defective printing nozzles in an inkjet printing machine
HEIDELBERGER DRUCKMASCH AG4 citations68
US9539803B2Jan 10, 2017
Method for detecting failed printing nozzles in inkjet printing systems and inkjet printing machine
HEIDELBERGER DRUCKMASCH AG5 citations68
US9375964B2Jun 28, 2016
Method for compensating for failed printing nozzles in inkjet printing systems
HEIDELBERGER DRUCKMASCH AG6 citations68
US11198288B2Dec 14, 2021
Method for assessing the condition and improving the printing quality of printing nozzles in printheads of an inkjet printing machine and improved printing nozzle test chart
HEIDELBERGER DRUCKMASCH AG1 citations59
US10647110B2May 12, 2020
Determination of thresholds to detect missing printing nozzles
HEIDELBERGER DRUCKMASCH AG1 citations56
US10906296B2Feb 2, 2021
Density fluctuation compensation during print head replacement
HEIDELBERGER DRUCKMASCH AG0 citations52
US10207518B2Feb 19, 2019
Method for compensating for failed printing nozzles in an inkjet printing machine by using deviating nozzles
HEIDELBERGER DRUCKMASCH AG0 citations37