Christian Andrae

Follow

Person

Tussling, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Sawing wire and method for the cutting and lapping of hard brittle...
- Patent number 6,554,686
- Issue date Apr 29, 2003
- Wacker Siltronic Gesellschaft fur Halbleitermaterialien AG
- Maximilian Kaeser
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method and device for simultaneously cutting off a multiplicity of...
- Patent number 6,295,977
- Issue date Oct 2, 2001
- Wacker-Chemie GmbH
- Bert Ripper
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Process and device for producing a cylindrical single crystal and p...
- Patent number 6,159,284
- Issue date Dec 12, 2000
- Wacker Siltronic Gesellschaft fur Halbleitermaterialien AG
- Hans Olkrug
- B28 - WORKING CEMENT, CLAY, OR STONE