Gerhart Vilsmeier

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Aschaffenburg, DE

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Patents Grantslast 30 patents

Information Patent Grant
Large sized quartz glass tube, large scale quartz glass preform, pr...
- Patent number 5,837,334
- Issue date Nov 17, 1998
- Heraeus Quarzglas GmbH
- Kiyoshi Yokokawa
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Method for manufacturing large-sized quartz glass tube
- Patent number 5,785,729
- Issue date Jul 28, 1998
- Heraeus Quarzglas GmbH
- Kiyoshi Yokokawa
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Method of partially introverting a multiple layer tube to form an o...
- Patent number 5,429,653
- Issue date Jul 4, 1995
- Heraeus Quarzglas GmbH
- Helmut Leber
- C03 - GLASS MINERAL OR SLAG WOOL