Hans-Gunther Fellmann

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Blankenbach, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process and apparatus for producing precision castings
- Patent number 6,725,902
- Issue date Apr 27, 2004
- ALD Vacuum Technologies AG
- Matthias Blum
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method and apparatus for the production of precision castings by ce...
- Patent number 6,443,212
- Issue date Sep 3, 2002
- Ald Vacuum Technologies AG
- Alok Choudhury
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Sealed evacuatable crucible for inductive melting or superheating
- Patent number 6,101,212
- Issue date Aug 8, 2000
- Ald Vacuum Technologies AG
- Franz Hugo
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Apparatus for fusing a solid layer of electrically conductive material
- Patent number 5,479,438
- Issue date Dec 26, 1995
- Leybold Durferrit GmbH
- Mathias Blum
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Induction melting apparatus sealed against the atmosphere
- Patent number 5,416,793
- Issue date May 16, 1995
- Leybold Durferrit GmbH
- Franz Hugo
- B22 - CASTING POWDER METALLURGY

Patents Applicationslast 30 patents

Information Patent Application
Process and apparatus for producing precision castings
- Publication number 20020179275
- Publication date Dec 5, 2002
- Matthias Blum
- B22 - CASTING POWDER METALLURGY