Hermann Jacob

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2105 Seevetal 3, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for the selective reclamation treatment of used foundry sand
- Patent number 5,219,123
- Issue date Jun 15, 1993
- Georg Fischer A.G.
- Hermann Jacob
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Process for treating old foundry sand for reuse in place of core sand
- Patent number 5,163,496
- Issue date Nov 17, 1992
- Georg Fischer A.G.
- Hermann Jacob
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method for purifying particulate mould material
- Patent number 4,203,777
- Issue date May 20, 1980
- Hermann Jacob
- B22 - CASTING POWDER METALLURGY