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Kiel, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Method and apparatus for acquiring covering data of print areas
Patent number
5,128,879
Issue date
Jul 7, 1992
Dr. Ing. Rudolf Hell GmbH
Helmut Greve
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Mode of operating of a circuit arrangement for improving the bounce...
Patent number
5,036,403
Issue date
Jul 30, 1991
Dr. Ing. Rudolf Hell GmbH
Rolf Hupka
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Method for graving printing forms
Patent number
4,975,784
Issue date
Dec 4, 1990
Dr. Ing. Rudolf Hell GmbH
Benito Sciarretta
B44 - DECORATIVE ARTS
Information
Patent Grant
Volume-measuring method for surface depressions
Patent number
4,944,593
Issue date
Jul 31, 1990
Dr. Ing. Rudolf Hell GmbH
Reiner Kalstroem
G01 - MEASURING TESTING
Information
Patent Grant
Method and apparatus for white balancing
Patent number
4,907,077
Issue date
Mar 6, 1990
Dr. Ing. Rudolf Hell GmbH
Joerg Schulz-Hennig
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for electronic page combination for reproducti...
Patent number
4,849,822
Issue date
Jul 18, 1989
Dr.-Ing. Rudolf Hell GmbH
Gerhard Sing
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Opto-electronic scanning arrangement
Patent number
4,821,114
Issue date
Apr 11, 1989
Dr. Ing. Rudolf Hell GmbH
Axel Gebhardt
G02 - OPTICS
Information
Patent Grant
Diaphragm arrangement for opto-electronic scanning of originals
Patent number
4,812,913
Issue date
Mar 14, 1989
Dr. Ing. Rudolf Hell GmbH
Hans-Georg Knop
G02 - OPTICS
Information
Patent Grant
Laser diode output power stabilization in a laser imagesetter
Patent number
4,803,497
Issue date
Feb 7, 1989
Dr.-Ing. Rudolf Hell GmbH
John A. Kennedy
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Circuit for modulating a scanning beam in a text and graphics image...
Patent number
4,794,405
Issue date
Dec 27, 1988
Dr.-Ing. Rudolf Hell GmbH
John A. Kennedy
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Device for transporting photosensitive material past an imaging lin...
Patent number
4,792,816
Issue date
Dec 20, 1988
Dr.-Ing. Rudolf Hell GmbH
John A. Kennedy
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Device for light transmission
Patent number
4,746,180
Issue date
May 24, 1988
Dr.-Ing. Rudolf Hell GmbH
Manfred Deisler
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Opto-electronic scan head which has a housing portion and a housing...
Patent number
4,742,401
Issue date
May 3, 1988
Dr. Ing. Rudolf Hell GmbH
Klaus Andree
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and circuit for driving a stepping motor
Patent number
4,737,700
Issue date
Apr 12, 1988
Dr. Ing. Rudolf Hell GmbH
Juergen Doelves
G05 - CONTROLLING REGULATING
Information
Patent Grant
Scan device with light mixer and diffusing means for half-tone tran...
Patent number
4,736,099
Issue date
Apr 5, 1988
Dr. Ing. Rudolf Hell GmbH
Thomas Zelenka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Aerostatic bearing
Patent number
4,735,862
Issue date
Apr 5, 1988
Dr. Ing. Rudolf Hell GmbH
Joachim Heinzl
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Pressure-tight vacuum chamber of an electron beam engraving machine...
Patent number
4,733,046
Issue date
Mar 22, 1988
Dr. Ing. Rudolf Hell GmbH
Rolf Angelbeck
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Method for recording printing forms
Patent number
4,729,037
Issue date
Mar 1, 1988
Dr. Ing. Rudolf Hell GmbH
Juergen Doelves
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Vacuum holding device
Patent number
4,718,629
Issue date
Jan 12, 1988
Dr. Ing. Rudolf Hell GmbH
Dieter Block
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Method and apparatus for minimizing errors in the digital processin...
Patent number
4,709,395
Issue date
Nov 24, 1987
Dr. Ing. Rudolf Hell GmbH
Gerhard Fischer
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for producing half-tone printing forms with ro...
Patent number
4,700,235
Issue date
Oct 13, 1987
Dr. Ing. Rudolf Hell GmbH
Winrich Gall
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for acoustic supervision of adjustment operati...
Patent number
4,694,150
Issue date
Sep 15, 1987
Dr. Ing. Rudolf Hell GmbH
Joerg Schulz-Hennig
G01 - MEASURING TESTING
Information
Patent Grant
Method and apparatus for acoustic supervision of adjustment operati...
Patent number
4,694,152
Issue date
Sep 15, 1987
Dr. Ing. Rudolf Hell GmbH
Joerg Schulz-Hennig
G02 - OPTICS
Information
Patent Grant
Apparatus for checking color pictures on a color monitor
Patent number
4,691,229
Issue date
Sep 1, 1987
Dr. Ing. Rudolf Hell GmbH
Armin Colditz
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method for engraving printing cylinders having seamless joints with...
Patent number
4,688,101
Issue date
Aug 18, 1987
Dr. Ing. Rudolf Hell GmbH
Juergen Doelves
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Production of color separations for single color printing in which...
Patent number
4,668,979
Issue date
May 26, 1987
Dr. Ing. Rudolf Hell GmbH
Eggert J/u/ ng
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Apparatus for isolating offset printing plates and removing interme...
Patent number
4,667,948
Issue date
May 26, 1987
Dr. Ing. Rudolf Hell GmbH
Rolf Angelbeck
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Method and apparatus for checking the quality of composings for pri...
Patent number
4,667,247
Issue date
May 19, 1987
Dr. Ing. Rudolf Hell GmbH
Peter Karow
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Mounting device for reproduction apparatus
Patent number
4,657,381
Issue date
Apr 14, 1987
Dr. Ing. Rudolf Hell GmbH
Wolfgang Dinse
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Method and circuit arrangement for selective correction of hues and...
Patent number
4,649,423
Issue date
Mar 10, 1987
Dr. Ing. Rudolf Hell GmbH
Ingo Hoffrichter
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
74127758 - DIGINET
Serial number
74127758
Filing date
Jan 3, 1991
Dr. Ing. Rudolf Hell GmbH
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
74114424 - HELIOSCAN
Serial number
74114424
Registration number
1736136
Filing date
Nov 13, 1990
DR. ING. RUDOLF HELL GMBH
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
74114739 - CHROMASCALE
Serial number
74114739
Registration number
1822396
Filing date
Nov 13, 1990
DR. ING. RUDOLF HELL GMBH
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
74114740 - CHROMATRONIC
Serial number
74114740
Registration number
1745569
Filing date
Nov 13, 1990
DR. ING. RUDOLF HELL GMBH
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
74114742 - BRIDGIT
Serial number
74114742
Filing date
Nov 13, 1990
Dr. Ing. Rudolf Hell GMBH
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
74114741 - PRESSWAY
Serial number
74114741
Registration number
1719895
Filing date
Nov 13, 1990
DR. ING. RUDOLF HELL GMBH
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
74084507 - HIDOT
Serial number
74084507
Registration number
1736125
Filing date
Aug 3, 1990
DR. ING. RUDOLF HELL GMBH
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
74084587 - VIGNET
Serial number
74084587
Registration number
1683620
Filing date
Aug 3, 1990
DR. ING. RUDOLF HELL GMBH
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
74073390 - COMPETENCE IN COLOR SCRIPTMASTER HELL
Serial number
74073390
Registration number
1727111
Filing date
Jun 28, 1990
DR. ING. RUDOLF HELL GMBH
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
74073389 - COMPETENCE IN COLOR SCRIPTMASTER HELL
Serial number
74073389
Registration number
1675724
Filing date
Jun 28, 1990
DR. ING. RUDOLF HELL GMBH
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
74067996 - CHROMALIGHT
Serial number
74067996
Registration number
1732547
Filing date
Jun 11, 1990
DR. ING. RUDOLF HELL GMBH
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
74800099 - PRESSFAX
Serial number
74800099
Registration number
1746969
Filing date
May 18, 1990
DR. ING. RUDOLF HELL GMBH
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73780216 - SCRIPTMASTER
Serial number
73780216
Filing date
Feb 13, 1989
DR. - ING. RUDOLF HELL GMBH
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73771063 - LACY
Serial number
73771063
Registration number
1579837
Filing date
Dec 22, 1988
DR. - ING. RUDOLF HELL GMBH
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73770719 - CCPAGE
Serial number
73770719
Filing date
Dec 21, 1988
DR. - ING. RUDOLF HELL GMBH
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73763702 - PRECOM
Serial number
73763702
Registration number
1559633
Filing date
Nov 14, 1988
DR. - ING. RUDOLF HELL GMBH
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73763701 - DISTEP
Serial number
73763701
Registration number
1573026
Filing date
Nov 14, 1988
DR. - ING. RUDOLF HELL GMBH
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73763703 - CHROMALIGHT
Serial number
73763703
Filing date
Nov 14, 1988
DR. - ING. RUDOLF HELL GMBH
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73761443 - MANI
Serial number
73761443
Registration number
1548073
Filing date
Nov 2, 1988
DR. - ING. RUDOLF HELL GMBH
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73745994 - PAGICOM
Serial number
73745994
Registration number
1560582
Filing date
Aug 15, 1988
DR. - ING. RUDOLF HELL GMBH
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73745993 - REDU
Serial number
73745993
Registration number
1536232
Filing date
Aug 15, 1988
DR. - ING. RUDOLF HELL GMBH
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73632376 - HELL
Serial number
73632376
Registration number
1489873
Filing date
Nov 21, 1986
DR. - ING. RUDOLF HELL GMBH
7 - Machines and machine tools
Information
Trademark
73626701 - SIZEMASTER
Serial number
73626701
Registration number
1494864
Filing date
Oct 24, 1986
DR. - ING. RUDOLF HELL GMBH
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73626702 - CHROMACOM
Serial number
73626702
Registration number
1485092
Filing date
Oct 24, 1986
DR.-ING. RUDOLF HELL GMBH
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73619568 - PIXON
Serial number
73619568
Registration number
1455002
Filing date
Sep 11, 1986
DR. - ING. RUDOLF HELL GMBH
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73619569 - DIFU
Serial number
73619569
Registration number
1471240
Filing date
Sep 11, 1986
DR.-ING. RUDOLF HELL GMBH
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73591217 - SCANSKOP
Serial number
73591217
Registration number
1412150
Filing date
Apr 3, 1986
DR. - ING. RUDOLF HELL GMBH
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
72433319 - DIGISET
Serial number
72433319
Registration number
994664
Filing date
Aug 21, 1972
DR.-ING. RUDOLF HELL GMBH
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
72082827 - HELLFAX
Serial number
72082827
Registration number
712823
Filing date
Oct 7, 1959
DR. ING, RUDOLF HELL
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments