Hans-Joachim Gretzschel

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Dresden, DE

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Patents Grantslast 30 patents

Information Patent Grant
Wafer catching device
- Patent number 8,201,814
- Issue date Jun 19, 2012
- Deutsche Solar GmbH
- Jürgen Döpping
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Apparatus and method for the removal of pellicles from masks
- Patent number 8,168,036
- Issue date May 1, 2012
- HAP Handhabungs-, Automatisierungs- und Präzisionstechnik GmbH
- Lothar Andritzke
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Wafer manufacturing method and device
- Patent number 8,123,866
- Issue date Feb 28, 2012
- Deutsche Solar GmbH
- Jürgen Döpping
- B28 - WORKING CEMENT, CLAY, OR STONE

Patents Applicationslast 30 patents

Information Patent Application
Apparatus and Method for the Removal of Pellicles from Masks
- Publication number 20090239156
- Publication date Sep 24, 2009
- Lothar Andritzke
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
WAFER CATCHING DEVICE
- Publication number 20080295662
- Publication date Dec 4, 2008
- Jurgen Dopping
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Application
WAFER MANUFACTURING METHOD AND DEVICE
- Publication number 20080105247
- Publication date May 8, 2008
- Jurgen Dopping
- B28 - WORKING CEMENT, CLAY, OR STONE