Frank-Peter LUDWIG

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Erfurt, DE

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Patents Applicationslast 30 patents

Information Patent Application
HOLLOW CYLINDER OF CERAMIC MATERIAL, A METHOD FOR THE PRODUCTION TH...
- Publication number 20190263703
- Publication date Aug 29, 2019
- QSIL GMBH QUARZSCHMELZE ILMENAU
- Frank Peter Ludwig
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Application
METHOD FOR PRODUCING A HIGHLY PURE QUARTZ GRANULATE
- Publication number 20120103017
- Publication date May 3, 2012
- Frank-Peter LUDWIG
- C03 - GLASS MINERAL OR SLAG WOOL