4. Metal treatment
  5. Process of modifying or maintaining internal physical...
  6. Carburizing or nitriding using externally supplied carbon or...

Friedhelm Kuhn

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Hardening metal parts

Metal treatment – Compositions – Heat treating
Patent

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Method and device for exchanging the atmosphere in a hood-shaped

Metallurgical apparatus – Process
Patent

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Method and device for the heat treatment of workpieces

Metal treatment – Process of modifying or maintaining internal physical... – Carburizing or nitriding using externally supplied carbon or...
Patent

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Method for the heat treatment of workpieces

Metal treatment – Compositions – Heat treating
Patent

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Method of monitoring furnace installations

Combustion – Process of combustion or burner operation
Patent

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Profile ID: LFUS-PAI-P-905750

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