Dirk Flottmann

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Patents Grantslast 30 patents

Information Patent Grant
Method for processing semiconductor material
- Patent number 6,360,755
- Issue date Mar 26, 2002
- Wacker-Chemie GmbH
- Matthäus Schantz
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Method and device for processing semiconductor material
- Patent number 6,313,013
- Issue date Nov 6, 2001
- Wacker-Chemie GmbH
- Dirk Flottmann
- C30 - CRYSTAL GROWTH
Information Patent Grant
Semiconductor material classification device
- Patent number 6,265,683
- Issue date Jul 24, 2001
- Wacker-Chemie GmbH
- Dirk Flottmann
- C30 - CRYSTAL GROWTH
Information Patent Grant
Air separation of polysilicon
- Patent number 6,260,712
- Issue date Jul 17, 2001
- Wacker-Chemie GmbH
- Dirk Flottmann
- B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information Patent Grant
Separation of semiconductor material
- Patent number 6,073,773
- Issue date Jun 13, 2000
- Wacker Chemie GmbH
- Reinhard Wolf
- B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information Patent Grant
Crushing of silicon on ultrapure ice
- Patent number 6,063,697
- Issue date May 16, 2000
- Wacker-Chemie GmbH
- Reinhard Wolf
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Optoelectronic separation apparatus
- Patent number 6,040,544
- Issue date Mar 21, 2000
- Wacker-Chemie GmbH
- Matthaus Schantz
- B07 - SEPARATING SOLIDS FROM SOLIDS SORTING