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HELL RUDOLF DR ING GMBH

Overview
  • Total Patents
    945
About

HELL RUDOLF DR ING GMBH has a total of 945 patent applications. Its first patent ever was published in 1967. It filed its patents most often in Germany, United States and Japan. Its main competitors in its focus markets audio-visual technology, optics and textiles and paper are HELL RUDOLF GMBH, HELL R GMBH and ONO SHUJI.

Patent filings per year

Chart showing HELL RUDOLF DR ING GMBHs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wellendorf Klaus 45
#2 Jung Eggert 38
#3 Knop Hans-Georg 38
#4 Gesell Reinhard 25
#5 Beisswenger Siegfried 20
#6 Penza Hans 19
#7 Hoffrichter Ingo 18
#8 Doelves Juergen 18
#9 Grieger Dieter 17
#10 Juergensen Heinrich 17

Latest patents

Publication Filing date Title
DE4031546A1 METHOD AND DEVICE FOR PRODUCING A TEXTURE ROLL
DE4031545A1 METHOD AND DEVICE FOR PRODUCING A TEXTURE ROLL
DE4031547A1 METHOD AND DEVICE FOR PRODUCING TEXTURE ROLLERS
DE4000166A1 METHOD AND DEVICE FOR CORRECTING POSITION ERRORS OF A DEFLECTED LIGHT BEAM
DE3938480A1 DEVICE FOR UNLOCKING SHEET RECORDING MATERIAL
DE3927162A1 DEVICE FOR AUTOMATICALLY CLAMPING AND RELEASING OF RECORDING MATERIAL AND OPERATING MODE OF THE DEVICE
DE3903019A1 OPTICAL COLOR DIVIDER ARRANGEMENT
DE3804941A1 METHOD AND DEVICE FOR DETECTING PRINT AREA COVERING DATA
DE3733874A1 PRINTING MANUFACTURING WITH A WASHABLE IMAGE CARRIER
US4803497A Laser diode output power stabilization in a laser imagesetter
DE3724256A1 FUNCTIONALITY OF A CIRCUIT ARRANGEMENT FOR THE OPERATION OF ENGRAVING SYSTEMS FOR THE ENGRAVING OF PRINTING FORMS
EP0281659A1 Method and apparatus for white-level adjustment
EP0279874A1 Picture drum clamping device
EP0276337A1 Aperture stop arrangement for the optoelectronic scanning of documents
US4794405A Circuit for modulating a scanning beam in a text and graphics image setting apparatus
US4792816A Device for transporting photosensitive material past an imaging line in text and graphics image setting apparatus
SU1463126A3 Hermetically sealed vacuum chamber for arranging printing cylinders in electron-beam engraving machine
DE3617714A1 VOLUME MEASUREMENT METHOD FOR SURFACE DEPTHS
CN1003167B Vacuum adsorption device
DE3614888A1 OPTICAL ARRANGEMENT FOR LINEAR LIGHTING OF SCAN TEMPLATES