Inventor · disambiguated record
Siegfried Schuhmann
Also filed as: DORN ALFRED · SCHUHMANN SIEGFRIED
9 granted patents·220 citations·filing 1974–1984
90Inventor score
Top patents by PatentIndex Score
9 records- 0196US4200932AMeans for the control and regulation of the printing process on printing pressesROLAND OFFSETMASCHF·Filed 1978·Granted Apr 29, 1980·66 cites·4 claims
- 0285US4648048AApparatus for determining and evaluating color measurement strips on a printed sheetROLAND MAN DRUCKMASCH·Filed 1984·Granted Mar 3, 1987·26 cites·3 claims
- 0379US3978788AInk metering assembly for printing pressROLAND OFFSETMASCHF·Filed 1975·Granted Sep 7, 1976·21 cites·9 claims
- 0478US4033259ADevice for adjusting printing plates on the plate cylinder of printing pressesROLAND OFFSETMASCHF·Filed 1976·Granted Jul 5, 1977·32 cites·6 claims
- 0577US4586148AArrangement for scanning printing platesROLAND MAN DRUCKMASCH·Filed 1983·Granted Apr 29, 1986·20 cites·17 claims
- 0677US4393775AArrangement for metering the ink quantity in inking units on printing pressesROLAND MAN DRUCKMASCH·Filed 1981·Granted Jul 19, 1983·21 cites·5 claims
- 0773US3933351ASheet delivery arrangement having an air-stream sheet retarderROLAND OFFSETMASCHF·Filed 1974·Granted Jan 20, 1976·17 cites·7 claims
- 0865US4502386AInk fountain having temperature responsive elementROLAND MAN DRUCKMASCH·Filed 1983·Granted Mar 5, 1985·13 cites·19 claims
- 0940US4559874AInk metering system in letterpress and offset printing machinesROLAND MAN DRUCKMASCH·Filed 1984·Granted Dec 24, 1985·4 cites·3 claims
Join the waitlist — get patent alerts
Get an alert when Siegfried Schuhmann files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →