Jurgen Semmler

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Donauworth, DE

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Patents Grantslast 30 patents

Information Patent Grant
Cooled furnace head for heavy-current resistance furnaces
- Patent number 4,641,321
- Issue date Feb 3, 1987
- Sigri GmbH
- Jurgen Semmler
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Joint threads carbon on graphite electrode
- Patent number 4,629,280
- Issue date Dec 16, 1986
- Sigri GmbH
- Jurgen Semmler
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR