Helmut Perktold

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Patents Grantslast 30 patents

Information Patent Grant
Glass-melting electrode with cooling device and cooling device for...
- Patent number 9,686,822
- Issue date Jun 20, 2017
- Plansee SE
- Helmut Perktold
- C03 - GLASS MINERAL OR SLAG WOOL

Patents Applicationslast 30 patents

Information Patent Application
GLASS-MELTING ELECTRODE WITH COOLING DEVICE AND COOLING DEVICE FOR...
- Publication number 20150245413
- Publication date Aug 27, 2015
- PLANSEE SE
- Helmut Perktold
- C03 - GLASS MINERAL OR SLAG WOOL