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For the Inventor, By the Inventor

DE

Dr. Ing. Rudolf Hell Gmbh


USPTO Granted Patents = 140

Forward Citations = 2,081

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113 inventors (with patents filed for the assignee):

goldMedal Klaus Wellendorf (16 out of 17 patents)

silverMedal Eggert Jung (14 out of 15 patents)

bronzeMedal Hans-Georg Knop (12 out of 13 patents)

4.  Ruediger Sommer (9 out of 9 patents)

5.  Uwe Gast (7 out of 7 patents)

6.  Heinz Taudt (7 out of 7 patents)

7.  Ingo Hoffrichter (6 out of 7 patents)

8.  Juergen Doelves (6 out of 6 patents)

9.  Siegfried Beisswenger (5 out of 11 patents)

10.  Reinhard Gesell (5 out of 7 patents)

11.  Rudiger Sommer (5 out of 7 patents)

12.  Siegfried Klopsch (5 out of 5 patents)

13.  Eberhard Hennig (5 out of 5 patents)

14.  Winrich Gall (4 out of 5 patents)

15.  Heinrich Juergensen (4 out of 5 patents)


Core Competencies:
Opto-Electronic Scanning
Color Separation Production
Laser Diode Stabilization
Acoustic Supervision
Half-Tone Printing Forms
Image Quality Checking
Electrically Controllable Scanning
Pressure-Tight Vacuum Chamber
Digital Processing Error Minimization
Surface Depression Measurement
Stepping Motor Driving
Photosensitive Material Transport

140 patents:

1. 5128879 - Method and apparatus for acquiring covering data of print areas (1992-07-07),
2. 5036403 - Mode of operating of a circuit arrangement for improving the bounce (1991-07-30),
3. 4975784 - Method for graving printing forms (1990-12-04),
4. 4944593 - Volume-measuring method for surface depressions (1990-07-31),
5. 4907077 - Method and apparatus for white balancing (1990-03-06),
6. 4849822 - Method and apparatus for electronic page combination for reproduction (1989-07-18),
7. 4821114 - Opto-electronic scanning arrangement (1989-04-11),
8. 4812913 - Diaphragm arrangement for opto-electronic scanning of originals (1989-03-14),
9. 4803497 - Laser diode output power stabilization in a laser imagesetter (1989-02-07),
10. 4794405 - Circuit for modulating a scanning beam in a text and graphics image (1988-12-27),
11. 4792816 - Device for transporting photosensitive material past an imaging line in (1988-12-20),
12. 4746180 - Device for light transmission (1988-05-24),
13. 4742401 - Opto-electronic scan head which has a housing portion and a housing (1988-05-03),
14. 4737700 - Method and circuit for driving a stepping motor (1988-04-12),
15. 4736099 - Scan device with light mixer and diffusing means for half-tone (1988-04-05),
Dr. Ing. Rudolf Hell GmbH is a renowned German company specializing in the development and manufacture of high-quality systems for gravure printing. With a rich history spanning over 100 years, the company has established itself as a leading provider of innovative solutions in the field. From prepress to printing and finishing, their comprehensive range of products caters to the diverse needs of the printing industry. With cutting-edge technology, exceptional quality, and a strong commitment to customer satisfaction, Dr. Ing. Rudolf Hell GmbH continues to be a trusted partner for gravure printing companies worldwide.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 9 2025

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140 Patents

#8 in

#470 in Germany

#5,633 in the World

...
DE

Dr. Ing. Rudolf Hell Gmbh

Forward Citations = 2,081

113 inventors:

goldMedal Klaus Wellendorf (16 out of 17 patents)

silverMedal Eggert Jung (14 out of 15 patents)

bronzeMedal Hans-Georg Knop (12 out of 13 patents)

4.  Ruediger Sommer (9 out of 9 patents)

5.  Uwe Gast (7 out of 7 patents)

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