Andre Kleinwechter

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Freiberg, DE

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Patents Grantslast 30 patents

Information Patent Grant
Gallium arsenide substrate comprising a surface oxide layer with im...
- Patent number 12,205,815
- Issue date Jan 21, 2025
- Freiberger Compound Materials GmbH
- Wolfram Fliegel
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Gallium arsenide substrate comprising a surface oxide layer with im...
- Patent number 11,170,989
- Issue date Nov 9, 2021
- Freiberger Compound Materials GmbH
- Wolfram Fliegel
- G01 - MEASURING TESTING
Information Patent Grant
Process for producing a gallium arsenide substrate which includes m...
- Patent number 10,460,924
- Issue date Oct 29, 2019
- Freiberger Compound Materials GmbH
- Wolfram Fliegel
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Process, apparatus and slurry for wire sawing
- Patent number 7,195,542
- Issue date Mar 27, 2007
- Freiberger Compound Materials GmbH
- Ralf Hammer
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method and device for cutting single crystals, in addition to an ad...
- Patent number 7,137,865
- Issue date Nov 21, 2006
- Freiberger Compound Materials GmbH
- Ralf Hammer
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Device and method for determining the orientation of a crystallogra...
- Patent number 6,923,171
- Issue date Aug 2, 2005
- Freiberger Compound Materials GmbH
- Ralf Hammer
- B28 - WORKING CEMENT, CLAY, OR STONE

Patents Applicationslast 30 patents

Information Patent Application
GALLIUM ARSENIDE SUBSTRATE AND USE THEREOF
- Publication number 20180158673
- Publication date Jun 7, 2018
- FREIBERGER COMPOUND MATERIALS GMBH
- Wolfram FLIEGEL
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
PROCESS FOR PRODUCING A GALLIUM ARSENIDE SUBSTRATE, GALLIUM ARSENID...
- Publication number 20150371844
- Publication date Dec 24, 2015
- FREIBERGER COMPOUND MATERIALS GMBH
- Wolfram FLIEGEL
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
PROCESS, APPARATUS AND SLURRY FOR WIRE SAWING
- Publication number 20070049173
- Publication date Mar 1, 2007
- FREIBERGER COMPOUND MATERIALS GmbH
- Ralf Hammer
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Device and method for determining the orientation of a crystallogra...
- Publication number 20040168682
- Publication date Sep 2, 2004
- Ralph Hammer
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Application
Method and device for cutting single crystals, in addition to an ad...
- Publication number 20040118338
- Publication date Jun 24, 2004
- Ralf Hammer
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Application
Device and method for separating materials
- Publication number 20030005919
- Publication date Jan 9, 2003
- Ralf Hammer
- B28 - WORKING CEMENT, CLAY, OR STONE