Walter Lehmann

Person

Leipzig, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Process for the preparation of synthetic quartz glass
- Patent number 12,060,293
- Issue date Aug 13, 2024
- Heraeus Quarzglas GmbH & Co. KG
- Martin Thürer
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Preparation of a quartz glass body in a multi-chamber oven
- Patent number 11,708,290
- Issue date Jul 25, 2023
- Heraeus Quarzglas GmbH & Co. KG
- Matthias Otter
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method and apparatus for producing a glass component
- Patent number 11,512,017
- Issue date Nov 29, 2022
- Heraeus Quarzglas GmbH & Co. KG
- Jacqueline Plass
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Preparation of quartz glass bodies from silicon dioxide granulate
- Patent number 11,492,285
- Issue date Nov 8, 2022
- Heraeus Quarzglas GmbH & Co. KG
- Matthias Otter
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method for homogenizing glass
- Patent number 11,485,671
- Issue date Nov 1, 2022
- Heraeus Quarzglas GmbH & Co. KG
- Stephan Thomas
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method and device for homogenizing glass
- Patent number 11,459,262
- Issue date Oct 4, 2022
- Heraeus Quarzglas GmbH & Co. KG
- Stephan Thomas
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Preparation of a quartz glass body in a melting crucible of refract...
- Patent number 11,299,417
- Issue date Apr 12, 2022
- Heraeus Quarzglas GmbH & Co. KG
- Matthias Otter
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method for producing a component of rare earth metal-doped quartz g...
- Patent number 10,851,008
- Issue date Dec 1, 2020
- Heraeus Quarzglas GmbH & Co. KG
- Walter Lehmann
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Preparation of a quartz glass body in a multi-chamber oven
- Patent number 10,730,780
- Issue date Aug 4, 2020
- Heraeus Quarzglas GmbH & Co. KG
- Matthias Otter
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Preparation of a synthetic quartz glass grain
- Patent number 10,618,833
- Issue date Apr 14, 2020
- Heraeus Quarzglas GmbH & Co. KG
- Martin Arndt
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Rare earth metal-doped quartz glass and method for producing the same
- Patent number 10,336,645
- Issue date Jul 2, 2019
- Heraeus Quarzglas GmbH & Co., KG
- Hardy Baierl
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Pulling a semiconductor single crystal according to the Czochralski...
- Patent number 10,287,705
- Issue date May 14, 2019
- Heraeus Quarzglas GmbH & Co. KG
- Michael Hünermann
- C30 - CRYSTAL GROWTH
Information Patent Grant
Pulling a semiconductor single crystal according to the Czochralski...
- Patent number 9,856,576
- Issue date Jan 2, 2018
- Heraeus Quarzglas GmbH & Co. KG
- Michael Hünermann
- C30 - CRYSTAL GROWTH
Information Patent Grant
Silicon block, method for producing the same, crucible of transpare...
- Patent number 9,828,691
- Issue date Nov 28, 2017
- Heraes Quarzglas GmbH & Co. KG
- Christian Schenk
- C30 - CRYSTAL GROWTH
Information Patent Grant
Method for producing synthetic quartz glass granules
- Patent number 9,580,348
- Issue date Feb 28, 2017
- Heraeus Quarzglas GmbH & Co. KG
- Walter Lehmann
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method for producing synthetic quartz glass granules
- Patent number 9,409,810
- Issue date Aug 9, 2016
- Heraeus Quarzglas GmbH & Co. KG
- Walter Lehmann
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method of making a silica crucible in a controlled atmosphere
- Patent number 9,003,832
- Issue date Apr 14, 2015
- Heraeus Shin-Etsu America, Inc.
- Katsuhiko Kemmochi
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method and apparatus for producing a crucible of quartz glass
- Patent number 8,789,391
- Issue date Jul 29, 2014
- Heraeus Quarzglas GmbH & Co. KG
- Thomas Kayser
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method for producing a component with a layer of transparent quartz...
- Patent number 8,387,413
- Issue date Mar 5, 2013
- Heraeus Quarzglas GmbH & Co. KG
- Walter Lehmann
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Method of producing a quartz glass crucible
- Patent number 8,347,650
- Issue date Jan 8, 2013
- Heraeus Quarzglas GmbH & Co. KG
- Walter Lehmann
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method for the production of laser-active quartz glass and use thereof
- Patent number 7,637,126
- Issue date Dec 29, 2009
- Heraeus Quarzglas GmbH & Co. KG
- Rainer Koeppler
- C03 - GLASS MINERAL OR SLAG WOOL

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR HOMOGENIZING GLASS
- Publication number 20230063663
- Publication date Mar 2, 2023
- Heraeus Quarzglas GmbH & Co. KG
- Stephan Thomas
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
PROCESS FOR THE PREPARATION OF SYNTHETIC QUARTZ GLASS
- Publication number 20220185715
- Publication date Jun 16, 2022
- Heraeus Quarzglas GmbH & Co. KG
- Martin THÜRER
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
PROCESS FOR THE PREPARATION OF SYNTHETIC QUARTZ GLASS
- Publication number 20220185720
- Publication date Jun 16, 2022
- Heraeus Quarzglas GmbH & Co. KG
- Martin THÜRER
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
PROCESS FOR THE PREPARATION OF SYNTHETIC QUARTZ GLASS
- Publication number 20220185716
- Publication date Jun 16, 2022
- Heraeus Quarzglas GmbH & Co. KG
- Martin THÜRER
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
PREPARATION OF A QUARTZ GLASS BODY IN A MULTI-CHAMBER OVEN
- Publication number 20200361806
- Publication date Nov 19, 2020
- Heraeus Quarzglas GmbH & Co. KG
- Matthias OTTER
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
METHOD AND APPARATUS FOR PRODUCING A GLASS COMPONENT
- Publication number 20200277217
- Publication date Sep 3, 2020
- Heraeus Quarzglas GmbH & Co. KG
- Jacqueline Plass
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
METHOD AND DEVICE FOR HOMOGENIZING GLASS
- Publication number 20200131069
- Publication date Apr 30, 2020
- Heraeus Quarzglas GmbH & Co. KG
- Stephan Thomas
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
METHOD FOR HOMOGENIZING GLASS
- Publication number 20200131071
- Publication date Apr 30, 2020
- Heraeus Quarzglas GmbH & Co. KG
- Stephan Thomas
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
PREPARATION OF QUARTZ GLASS BODIES FROM SILICON DIOXIDE POWDER
- Publication number 20190152827
- Publication date May 23, 2019
- Heraeus Quarzglas GmbH & Co. KG
- Matthias OTTER
- C01 - INORGANIC CHEMISTRY
Information Patent Application
PREPARATION OF A QUARTZ GLASS BODY IN A HANGING SINTER CRUCIBLE
- Publication number 20190092676
- Publication date Mar 28, 2019
- Heraeus Quarzglas GmbH & Co. KG
- Matthias OTTER
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
REDUCING CARBON CONTENT OF SILICON DIOXIDE GRANULATE AND THE PREPAR...
- Publication number 20190077672
- Publication date Mar 14, 2019
- Heraeus Quarzglas GmbH & Co. KG
- Matthias OTTER
- C01 - INORGANIC CHEMISTRY
Information Patent Application
PREPARATION OF A QUARTZ GLASS BODY IN A HANGING METAL SHEET CRUCIBLE
- Publication number 20190077688
- Publication date Mar 14, 2019
- Heraeus Quarzglas GmbH & Co. KG
- Matthias OTTER
- C01 - INORGANIC CHEMISTRY
Information Patent Application
PREPARATION AND POST-TREATMENT OF A QUARTZ GLASS BODY
- Publication number 20190071342
- Publication date Mar 7, 2019
- Heraeus Quarzglas GmbH & Co. KG
- Matthias OTTER
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
PREPARATION OF A QUARTZ GLASS BODY IN A MELTING CRUCIBLE OF REFRACT...
- Publication number 20190071344
- Publication date Mar 7, 2019
- Heraeus Quarzglas GmbH & Co. KG
- Matthias OTTER
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
STEAM TREATMENT OF SILICON DIOXIDE POWDER IN THE PREPARATION OF QUA...
- Publication number 20190062194
- Publication date Feb 28, 2019
- Heraeus Quarzglas GmbH & Co. KG
- Matthias OTTER
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
PREPARATION OF QUARTZ GLASS BODIES FROM SILICON DIOXIDE GRANULATE
- Publication number 20190062197
- Publication date Feb 28, 2019
- Heraeus Quarzglas GmbH & Co. KG
- Matthias OTTER
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
PREPARATION OF A QUARTZ GLASS BODY IN A MULTI-CHAMBER OVEN
- Publication number 20190062193
- Publication date Feb 28, 2019
- Heraeus Quarzglas GmbH & Co. KG
- Matthias OTTER
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
PREPARATION OF A QUARTZ GLASS BODY IN A STANDING SINTER CRUCIBLE
- Publication number 20190031554
- Publication date Jan 31, 2019
- Heraeus Quarzglas GmbH & Co. KG
- Matthias OTTER
- C01 - INORGANIC CHEMISTRY
Information Patent Application
AMMONIA TREATMENT OF SILICON DIOXIDE POWDER IN THE PREPARATION OF Q...
- Publication number 20180370838
- Publication date Dec 27, 2018
- Heraeus Quarzglas GmbH & Co. KG
- Matthias OTTER
- C01 - INORGANIC CHEMISTRY
Information Patent Application
PREPARATION OF A SYNTHETIC QUARTZ GLASS GRAIN
- Publication number 20180362385
- Publication date Dec 20, 2018
- Heraeus Quarzglas GmbH & Co. KG
- Martin ARNDT
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
METHOD FOR PRODUCING A COMPONENT OF RARE EARTH METAL-DOPED QUARTZ G...
- Publication number 20180282196
- Publication date Oct 4, 2018
- Heraeus Quarzglas GmbH & Co. KG
- Walter Lehmann
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
PULLING A SEMICONDUCTOR SINGLE CRYSTAL ACCORDING TO THE CZOCHRALSKI...
- Publication number 20180112327
- Publication date Apr 26, 2018
- Heraeus Quarzglas GmbH & Co. KG
- Michael Hünermann
- C30 - CRYSTAL GROWTH
Information Patent Application
RARE EARTH METAL-DOPED QUARTZ GLASS AND METHOD FOR PRODUCING THE SAME
- Publication number 20170369359
- Publication date Dec 28, 2017
- Heraeus Quarzglas GmbH & Co. KG
- Hardy BAIERL
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
SILICON BLOCK, METHOD FOR PRODUCING THE SAME, CRUCIBLE OF TRANSPARE...
- Publication number 20160032483
- Publication date Feb 4, 2016
- Heraeus Quarzglas GmbH & Co. KG
- Christian SCHENK
- C30 - CRYSTAL GROWTH
Information Patent Application
PULLING A SEMICONDUCTOR SINGLE CRYSTAL ACCORDING TO THE CZOCHRALSKI...
- Publication number 20150267318
- Publication date Sep 24, 2015
- Heraeus Quarzglas GmbH & Co. KG
- Michael Hünermann
- C30 - CRYSTAL GROWTH
Information Patent Application
METHOD FOR PRODUCING SYNTHETIC QUARTZ GLASS GRANULES
- Publication number 20150107301
- Publication date Apr 23, 2015
- Heraeus Quarzglas GmbH & Co. KG
- Walter Lehmann
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
METHOD FOR PRODUCING SYNTHETIC QUARTZ GLASS GRANULES
- Publication number 20150059407
- Publication date Mar 5, 2015
- Heraeus Quarzglas GmbH & Co. KG
- Walter Lehmann
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
METHOD FOR PRODUCING A MOLDED BODY FROM AN ELECTRICALLY MELTED SYNT...
- Publication number 20150052948
- Publication date Feb 26, 2015
- Heraeus Quarzglas GmbH & Co KG
- Walter Lehmann
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
METHOD FOR PRODUCING SYNTHETIC QUARTZ GLASS GRANULES
- Publication number 20130219963
- Publication date Aug 29, 2013
- Heraeus Quarzglas GmbH & Co. KG
- Walter Lehmann
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
Method for producing a component with a layer of transparent quartz...
- Publication number 20110120189
- Publication date May 26, 2011
- Heraeus Quarzglas GmbH & Co. KG
- Walter Lehmann
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...

Walter Lehmann

Person

Patents Grantslast 30 patents

Process for the preparation of synthetic quartz glass

Preparation of a quartz glass body in a multi-chamber oven

Method and apparatus for producing a glass component

Preparation of quartz glass bodies from silicon dioxide granulate

Method for homogenizing glass

Method and device for homogenizing glass

Preparation of a quartz glass body in a melting crucible of refract...

Method for producing a component of rare earth metal-doped quartz g...

Preparation of a quartz glass body in a multi-chamber oven

Preparation of a synthetic quartz glass grain

Rare earth metal-doped quartz glass and method for producing the same

Pulling a semiconductor single crystal according to the Czochralski...

Pulling a semiconductor single crystal according to the Czochralski...

Silicon block, method for producing the same, crucible of transpare...

Method for producing synthetic quartz glass granules

Method for producing synthetic quartz glass granules

Method of making a silica crucible in a controlled atmosphere

Method and apparatus for producing a crucible of quartz glass

Method for producing a component with a layer of transparent quartz...

Method of producing a quartz glass crucible

Method for the production of laser-active quartz glass and use thereof

Patents Applicationslast 30 patents

METHOD FOR HOMOGENIZING GLASS

PROCESS FOR THE PREPARATION OF SYNTHETIC QUARTZ GLASS

PROCESS FOR THE PREPARATION OF SYNTHETIC QUARTZ GLASS

PROCESS FOR THE PREPARATION OF SYNTHETIC QUARTZ GLASS

PREPARATION OF A QUARTZ GLASS BODY IN A MULTI-CHAMBER OVEN

METHOD AND APPARATUS FOR PRODUCING A GLASS COMPONENT

METHOD AND DEVICE FOR HOMOGENIZING GLASS

METHOD FOR HOMOGENIZING GLASS

PREPARATION OF QUARTZ GLASS BODIES FROM SILICON DIOXIDE POWDER

PREPARATION OF A QUARTZ GLASS BODY IN A HANGING SINTER CRUCIBLE

REDUCING CARBON CONTENT OF SILICON DIOXIDE GRANULATE AND THE PREPAR...

PREPARATION OF A QUARTZ GLASS BODY IN A HANGING METAL SHEET CRUCIBLE

PREPARATION AND POST-TREATMENT OF A QUARTZ GLASS BODY

PREPARATION OF A QUARTZ GLASS BODY IN A MELTING CRUCIBLE OF REFRACT...

STEAM TREATMENT OF SILICON DIOXIDE POWDER IN THE PREPARATION OF QUA...

PREPARATION OF QUARTZ GLASS BODIES FROM SILICON DIOXIDE GRANULATE

PREPARATION OF A QUARTZ GLASS BODY IN A MULTI-CHAMBER OVEN

PREPARATION OF A QUARTZ GLASS BODY IN A STANDING SINTER CRUCIBLE

AMMONIA TREATMENT OF SILICON DIOXIDE POWDER IN THE PREPARATION OF Q...

PREPARATION OF A SYNTHETIC QUARTZ GLASS GRAIN

METHOD FOR PRODUCING A COMPONENT OF RARE EARTH METAL-DOPED QUARTZ G...

PULLING A SEMICONDUCTOR SINGLE CRYSTAL ACCORDING TO THE CZOCHRALSKI...

RARE EARTH METAL-DOPED QUARTZ GLASS AND METHOD FOR PRODUCING THE SAME

SILICON BLOCK, METHOD FOR PRODUCING THE SAME, CRUCIBLE OF TRANSPARE...

PULLING A SEMICONDUCTOR SINGLE CRYSTAL ACCORDING TO THE CZOCHRALSKI...

METHOD FOR PRODUCING SYNTHETIC QUARTZ GLASS GRANULES

METHOD FOR PRODUCING SYNTHETIC QUARTZ GLASS GRANULES

METHOD FOR PRODUCING A MOLDED BODY FROM AN ELECTRICALLY MELTED SYNT...

METHOD FOR PRODUCING SYNTHETIC QUARTZ GLASS GRANULES

Method for producing a component with a layer of transparent quartz...