Inventor
DORN ALFRED
9 patents
⚠️ This page may combine multiple inventors who share the name “DORN ALFRED”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ROLAND OFFSETMASCHF
5 patentsUS4200932AApr 29, 1980
Means for the control and regulation of the printing process on printing presses
ROLAND OFFSETMASCHF66 citations94
US4193345AMar 18, 1980
Device for adjustment of the ink flow on printing press inking units
ROLAND OFFSETMASCHF35 citations90
US4000692AJan 4, 1977
Throw-off system for rotary offset printing press
ROLAND OFFSETMASCHF30 citations81
US4158799AJun 19, 1979
Screwing tool for printing presses
ROLAND OFFSETMASCHF8 citations73
US4149802AApr 17, 1979
Device for measuring ink film thickness
ROLAND OFFSETMASCHF8 citations71
ROLAND MAN DRUCKMASCH
4 patentsUS4648048AMar 3, 1987
Apparatus for determining and evaluating color measurement strips on a printed sheet
ROLAND MAN DRUCKMASCH26 citations92
US4518862AMay 21, 1985
System for detecting the position of a sheet on its support
ROLAND MAN DRUCKMASCH28 citations91
US4692739ASep 8, 1987
Control device using light-emitting diodes for both manual input and display of data
ROLAND MAN DRUCKMASCH20 citations81
US4963028AOct 16, 1990
Densitometric sensing device for use in printing presses
ROLAND MAN DRUCKMASCH11 citations72