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Patents Grants
last 30 patents
Information
Patent Grant
Method of producing an optical member
Patent number
7,007,510
Issue date
Mar 7, 2006
Heraeus Quarzglas GmbH Co. KG
Tetsuji Ueda
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Adjusting the hydrogen content of a preform for an UV-optical fiber
Patent number
6,622,527
Issue date
Sep 23, 2003
Heraeus Quarzglas GmbH
Gerhard Schötz
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Optical system for integrated circuit fabrication
Patent number
6,483,639
Issue date
Nov 19, 2002
Heraeus Quarzglas GmbH
Akira Fujinoki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Quartz glass component for a reactor housing a method of manufactur...
Patent number
6,306,489
Issue date
Oct 23, 2001
Heraeus Quarzglas GmbH
Dietmar Hellmann
B24 - GRINDING POLISHING
Information
Patent Grant
Method for producing synthetic quartz glass for use in ArF excimer...
Patent number
6,266,978
Issue date
Jul 31, 2001
Heraeus Quarzglas GmbH
Takayuki Oshima
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Method of coating a UV-fiber with blocking layers and charging the...
Patent number
6,220,059
Issue date
Apr 24, 2001
Heraeus Quarzglas GmbH
Karl-Friedrich Klein
G02 - OPTICS
Information
Patent Grant
Methods and apparatus for providing quartz glass connectors
Patent number
6,216,492
Issue date
Apr 17, 2001
Heraeus Quarzglas GmbH
Poul E. Breidenbach
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Synthetic silica glass used with uv-rays and method producing the same
Patent number
6,143,676
Issue date
Nov 7, 2000
Heraeus Quarzglas GmbH
Norio Ohashi
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Process for drawing glass fiber using prediction of future geometri...
Patent number
6,098,428
Issue date
Aug 8, 2000
Heraeus Quarzglas GmbH
Thomas Bogdahn
G05 - CONTROLLING REGULATING
Information
Patent Grant
Method of producing quartz glass bodies
Patent number
6,047,564
Issue date
Apr 11, 2000
Heraeus Quarzglas GmbH
Hartwig Schaper
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Projection aligner for integrated circuit fabrication
Patent number
6,031,238
Issue date
Feb 29, 2000
Heraeus Quarzglas GmbH
Akira Fujinoki
G02 - OPTICS
Information
Patent Grant
Quartz crucible with large diameter for pulling single crystal and...
Patent number
5,989,021
Issue date
Nov 23, 1999
Shin-Etsu Quartz Products Co., Ltd.
Tatsuhiro Sato
C30 - CRYSTAL GROWTH
Information
Patent Grant
Method for the manufacture of SiO.sub.2 granular material
Patent number
5,979,186
Issue date
Nov 9, 1999
Heraeus Quarzglas GmbH
Rainer Koppler
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Method of manufacturing crucible for double-crucible crystal growin...
Patent number
5,917,103
Issue date
Jun 29, 1999
Heraeus Quarzglas GmbH
Hiroyuki Watanabe
C30 - CRYSTAL GROWTH
Information
Patent Grant
Methods and apparatus for providing quartz glass connectors
Patent number
5,904,182
Issue date
May 18, 1999
Heraeus Quarzglas GmbH
Poul E. Breidenbach
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Process for producing shaped bodies of silicon dioxide
Patent number
5,866,062
Issue date
Feb 2, 1999
Heraeus Quarzglas GmbH
Stephan Moritz
C30 - CRYSTAL GROWTH
Information
Patent Grant
Process for the production of quartz glass bodies
Patent number
5,837,024
Issue date
Nov 17, 1998
Heraeus Quarzglas GmbH
Heinz Fabian
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Large sized quartz glass tube, large scale quartz glass preform, pr...
Patent number
5,837,334
Issue date
Nov 17, 1998
Heraeus Quarzglas GmbH
Kiyoshi Yokokawa
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Grant
Semiconductor element for an electronic or opto-electronic semicond...
Patent number
5,831,309
Issue date
Nov 3, 1998
Heraeus Quarzglas GmbH
Wolfgang Englisch
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Silica glass member with glassy carbon coating method for producing...
Patent number
5,807,416
Issue date
Sep 15, 1998
Heraeus Quarzglas GmbH
Katsuhiko Kemmochi
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Quartz glass preform for optical waveguide
Patent number
5,790,736
Issue date
Aug 4, 1998
Heraeus Quarzglas GmbH
Heinz Fabian
G02 - OPTICS
Information
Patent Grant
Process and apparatus for the production of a quartz glass blank
Patent number
5,788,730
Issue date
Aug 4, 1998
Heraeus Quarzglas GmbH
Klaus Ruppert
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Method for manufacturing large-sized quartz glass tube
Patent number
5,785,729
Issue date
Jul 28, 1998
Heraeus Quarzglas GmbH
Kiyoshi Yokokawa
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Grant
Method of producing quartz glass body
Patent number
5,769,921
Issue date
Jun 23, 1998
Heraeus Quarzglas GmbH
Kiyoshi Yokokawa
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Method for producing heat-resistant synthetic quartz glass
Patent number
5,766,291
Issue date
Jun 16, 1998
Heraeus Quarzglas GmbH
Tatsuhiro Sato
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Method for producing a quartz glass crucible
Patent number
5,762,672
Issue date
Jun 9, 1998
Shin-Etsu Quartz Products, Ltd.
Tooru Ikeda
C30 - CRYSTAL GROWTH
Information
Patent Grant
Apparatus for holding a hollow cylinder of silicon dioxide soot
Patent number
5,738,702
Issue date
Apr 14, 1998
Heraeus Quarzglas GmbH
Klaus Ruppert
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Molded body of quartz glass and process for the production of a mol...
Patent number
5,736,206
Issue date
Apr 7, 1998
Heraeus Quarzglas GmbH
Wolfgang Englisch
C30 - CRYSTAL GROWTH
Information
Patent Grant
Shaped body having a high silicon dioxide content and a process for...
Patent number
5,674,792
Issue date
Oct 7, 1997
Heraeus Quarzglas GmbH
Stephan Moritz
C30 - CRYSTAL GROWTH
Information
Patent Grant
Process for the sintering of hollow cylinders of silicon dioxide soot
Patent number
5,665,132
Issue date
Sep 9, 1997
Heraeus Quarzglas GmbH
Klaus Ruppert
C03 - GLASS MINERAL OR SLAG WOOL
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
75340731 - F 300 S
Serial number
75340731
Registration number
2250909
Filing date
Aug 13, 1997
Heraeus Quarzglas GmbH
21 - Household or kitchen utensils and containers
Information
Trademark
75340732 - F 310
Serial number
75340732
Registration number
2250910
Filing date
Aug 13, 1997
Heraeus Quarzglas GmbH
21 - Household or kitchen utensils and containers
Information
Trademark
75340730 - F 300
Serial number
75340730
Registration number
2250908
Filing date
Aug 13, 1997
Heraeus Quarzglas GmbH
21 - Household or kitchen utensils and containers
Information
Trademark
75340733 - F 320
Serial number
75340733
Registration number
2250911
Filing date
Aug 13, 1997
Heraeus Quarzglas GmbH
21 - Household or kitchen utensils and containers
Information
Trademark
75336179 - HSQ
Serial number
75336179
Registration number
2320067
Filing date
Aug 5, 1997
Heraeus Quarzglas GmbH
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
75333431 - HOQ
Serial number
75333431
Registration number
2252567
Filing date
Jul 31, 1997
Heraeus Quarzglas GmbH
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
75333433 - OM
Serial number
75333433
Registration number
2303261
Filing date
Jul 31, 1997
Heraeus Quarzglas GmbH
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
75333432 - HLQ
Serial number
75333432
Registration number
2365560
Filing date
Jul 31, 1997
Heraeus Quarzglas GmbH
11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
Information
Trademark
74256462 - TWINTECH
Serial number
74256462
Filing date
Mar 17, 1992
Heraeus Quarzglas GmbH
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments