Inventor
HANK DIETRICH
DD9 patents
⚠️ This page may combine multiple inventors who share the name “HANK DIETRICH”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
POLYGRAPH LEIPZIG
7 patentsUS4793564ADec 27, 1988
Device for controlling unwinding in a web-feeding device of a printing machine
POLYGRAPH LEIPZIG27 citations91
US5024156AJun 18, 1991
Safety device for the control of web-fed rotary printing machines
POLYGRAPH LEIPZIG24 citations85
US4049213ASep 20, 1977
Automatic regulation of the position of the lateral edge of a travelling web
POLYGRAPH LEIPZIG45 citations84
US4881182ANov 14, 1989
Method for controlling ink density
POLYGRAPH LEIPZIG17 citations66
US4785223ANov 15, 1988
Method of and an apparatus for generating a pulse train
POLYGRAPH LEIPZIG3 citations62
US4765241AAug 23, 1988
Arrangement for normalized indication of printing ink supply having roller with adjustable speed
POLYGRAPH LEIPZIG2 citations60
US4693126ASep 15, 1987
Feed roll for material web transporting and measuring web tension
POLYGRAPH LEIPZIG1 citations45