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Heraeus Quarzschmelze G.m.b.H.
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Hanau am Main, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Method of manufacturing a glass body having a non-uniform refractiv...
Patent number
5,049,175
Issue date
Sep 17, 1991
Heraeus Quarzschmelze GmbH
Dieter Ross
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Infrared radiator
Patent number
5,003,284
Issue date
Mar 26, 1991
Heraeus Quarzschmelze GmbH
Walter Dieudonne
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Continuous oven
Patent number
4,978,836
Issue date
Dec 18, 1990
Heraeus Quarzschmelze GmbH
Walter Dieudonne
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Apparatus for drying finely divided solids
Patent number
4,964,227
Issue date
Oct 23, 1990
Heraeus Quarzschmelze GmbH
Uwe Christiansen
F26 - DRYING
Information
Patent Grant
Radiant unit
Patent number
4,962,310
Issue date
Oct 9, 1990
Heraeus Quarzschmelze GmbH
Udo Hennecke
F26 - DRYING
Information
Patent Grant
Process for the purification of granular silicon dioxide
Patent number
4,956,059
Issue date
Sep 11, 1990
Heraeus Quarzschmelze GmbH
Wolfgang Englisch
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Continuous oven for soldering electronic components
Patent number
4,915,624
Issue date
Apr 10, 1990
Heraeus Quarzschmelze GmbH
Norbert Mittelstadt
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Transmission line for optical radiation and applications thereof
Patent number
4,915,474
Issue date
Apr 10, 1990
Heraeus Quarzschmelze GmbH
Karl F. Klein
G02 - OPTICS
Information
Patent Grant
Method of manufacturing a blank for a light-weight mirror with a su...
Patent number
4,898,604
Issue date
Feb 6, 1990
Heraeus Quarzschmelze GmbH
Paul Sauerwein
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Method of verifying a porous article made out of glass soot and fur...
Patent number
4,842,628
Issue date
Jun 27, 1989
Heraeus Quarzschmelze GmbH
Karl Kreutzer
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Method of manufacturing articles of extremely pure synthetic partic...
Patent number
4,826,521
Issue date
May 2, 1989
Heraeus Quarzschmelze GmbH
Uwe Wiechmann
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Oven for the heat treatment of semiconductor substrates
Patent number
4,775,317
Issue date
Oct 4, 1988
Heraeus Quarzschmelze GmbH
Karl A. Schulke
C30 - CRYSTAL GROWTH
Information
Patent Grant
Double-walled quartz-glass tube for semiconductor-technology processes
Patent number
4,720,407
Issue date
Jan 19, 1988
Heraeus Quarzschmelze GmbH
Karl-Albert Schulke
C30 - CRYSTAL GROWTH
Information
Patent Grant
Method for the continuous building of a hollow cylindrical soot bod...
Patent number
4,676,814
Issue date
Jun 30, 1987
Heraeus Quarzschmelze GmbH
Dieter Ross
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Apparatus for automatically loading a furnace with semiconductor wa...
Patent number
4,669,938
Issue date
Jun 2, 1987
Heraeus Quarzschmelze GmbH
Geoffrey Hayward
C30 - CRYSTAL GROWTH
Information
Patent Grant
Apparatus for manufacturing stria-free, bubble-free and homogeneous...
Patent number
4,666,495
Issue date
May 19, 1987
Heraeus Quarzschmelze GmbH
Karl Kreutzer
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Radiant unit in the form of a portal, particularly for use as a dry...
Patent number
4,662,086
Issue date
May 5, 1987
Heraeus Quarzschmelze GmbH
Udo Hennecke
F26 - DRYING
Information
Patent Grant
Rack for supporting wafers for treatment
Patent number
4,653,650
Issue date
Mar 31, 1987
Heraeus Quarzschmelze GmbH
Karl A. Schulke
F27 - FURNACES KILNS OVENS RETORTS
Information
Patent Grant
Method of manufacturing stria-free, bubble-free and homogeneous qua...
Patent number
4,612,023
Issue date
Sep 16, 1986
Heraeus Quarzschmelze GmbH
Karl Kreutzer
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Silica glass tray made for wafers
Patent number
4,569,452
Issue date
Feb 11, 1986
Heraeus Quarzschmelze GmbH
Karl-Albert Schulke
C30 - CRYSTAL GROWTH
Information
Patent Grant
Composite tubular body
Patent number
4,530,378
Issue date
Jul 23, 1985
Heraeus Quarzschmelze GmbH
Manfred Boog
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Transparent fused silica bell for purposes relating to semiconducto...
Patent number
4,530,818
Issue date
Jul 23, 1985
Heraeus Quarzschmelze GmbH
Alfons Gutermann
C30 - CRYSTAL GROWTH
Information
Patent Grant
Crucible for semiconductor manufacturing purposes and a process for...
Patent number
4,528,163
Issue date
Jul 9, 1985
Heraeus Quarzschmelze GmbH
Horst Albrecht
C30 - CRYSTAL GROWTH
Information
Patent Grant
Apparatus for loading magazines into furnaces
Patent number
4,523,885
Issue date
Jun 18, 1985
Heraeus Quarzschmelze GmbH
Christopher J. Bayne
C30 - CRYSTAL GROWTH
Information
Patent Grant
Method and apparatus for the decomposition of specimens of solid or...
Patent number
4,499,191
Issue date
Feb 12, 1985
Heraeus Quarzschmelze GmbH
Rolf Bruning
G01 - MEASURING TESTING
Information
Patent Grant
Bell of opaque fused silica
Patent number
4,497,277
Issue date
Feb 5, 1985
Heraeus-Quarzschmelze
Karl A. Schulke
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Flange connection for quartz tubes
Patent number
4,488,743
Issue date
Dec 18, 1984
Heraeus Quarzschmelze GmbH
Karl A. Schulke
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Semiconductor substrate handling tray
Patent number
4,477,112
Issue date
Oct 16, 1984
Heraeus Quarzschmelze GmbH
Karl A. Schulke
C30 - CRYSTAL GROWTH
Information
Patent Grant
Method and apparatus for the production of flat, transparent vitreo...
Patent number
4,475,204
Issue date
Oct 2, 1984
Heraeus Quarzschmelze GmbH
Lutz Brandt
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Lightweight mirror especially for astronomical purposes
Patent number
4,466,700
Issue date
Aug 21, 1984
Heraeus Quarzschmelze GmbH
Uwe Christiansen
G02 - OPTICS
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
73744956 - HERAEUS
Serial number
73744956
Registration number
1570696
Filing date
Aug 5, 1988
HERAEUS QUARZSCHMELZE GMBH
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73111517 - FLUOSIL
Serial number
73111517
Registration number
1152181
Filing date
Jan 5, 1977
Heraeus Quarzschmelze GmbH
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
72103784 - INFRASIL
Serial number
72103784
Registration number
724795
Filing date
Sep 1, 1960
Heraeus Quarzschmelze G.m.b.H.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
72103785 - SUPRASIL
Serial number
72103785
Registration number
724478
Filing date
Sep 1, 1960
Heraeus Quarzschmelze G.m.b.H.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
72103786 - HERALUX
Serial number
72103786
Registration number
724796
Filing date
Sep 1, 1960
Heraeus Quarzschmelze G.m.b.H.
1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry