HELL RUDOLF GMBH has a total of 125 patent applications. Its first patent ever was published in 1972. It filed its patents most often in France, Italy and Australia. Its main competitors in its focus markets audio-visual technology, textiles and paper and optics are HELL RUDOLF DR ING GMBH, HELL R GMBH and MUSTEK SYSTEMS INC.
# | Country | Total Patents | |
---|---|---|---|
#1 | France | 55 | |
#2 | Italy | 21 | |
#3 | Australia | 14 | |
#4 | United States | 7 | |
#5 | Yugoslavia (Serbia and Montenegro) | 5 | |
#6 | Canada | 3 | |
#7 | German Democratic Republic | 3 | |
#8 | United Kingdom | 3 | |
#9 | Israel | 3 | |
#10 | USSR (Union of Socialist Soviet Republics) | 3 | |
#11 | WIPO (World Intellectual Property Organization) | 3 | |
#12 | Denmark | 2 | |
#13 | Brazil | 1 | |
#14 | Finland | 1 | |
#15 | Sweden | 1 |
# | Industry | |
---|---|---|
#1 | Audio-visual technology | |
#2 | Textiles and paper | |
#3 | Optics | |
#4 | Measurement | |
#5 | Electrical machinery and energy | |
#6 | Computer technology |
# | Name | Total Patents |
---|---|---|
#1 | Wellendorf Klaus | 6 |
#2 | Balzeit Ralf | 3 |
#3 | Hennig Eberhard | 3 |
#4 | Fels Werner | 3 |
#5 | Beisswenger Siegfried | 2 |
#6 | Jung Eggert | 2 |
#7 | Baar Valter | 2 |
#8 | Jurgensen Heinrich | 2 |
#9 | Gesell Reinhard | 2 |
#10 | Preub Dieter | 2 |
Publication | Filing date | Title |
---|---|---|
US4719474A | Apparatus for imaging text and graphics on photosensitive material | |
US4499489A | Production of screen printing blocks | |
DD204345A5 | High constant sprayer for loaded particles | |
WO8201802A1 | Device for controlling discharge lamps intended to the reading of documents | |
WO8201787A1 | Method for engraving by means of an electron beam | |
WO8201452A1 | Installation for regulating the speed of droplets in ink printers | |
US4255761A | Apparatus for mixing image signals to obtain a printing master | |
YU284677A | Electronic device for light matching | |
GB1578047A | Arrangement for the reproduction of screened continuous-toe pictures | |
DD129830A5 | Method for digital color correction in color recording | |
US3935584A | Device for handling photographic film between a cassette and an exposure reproduction apparatus |