Dietmar Boenisch

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5100 Aachen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for regenerating foundry sand
- Patent number 5,520,341
- Issue date May 28, 1996
- Dietmar Boenisch
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method of and apparatus for regenerating foundry sand
- Patent number 5,515,907
- Issue date May 14, 1996
- Dietmar Boenisch
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method of regenerating foundry sand
- Patent number 5,439,044
- Issue date Aug 8, 1995
- Dietmar Boenisch
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Cold box process for producing mold parts
- Patent number 4,664,171
- Issue date May 12, 1987
- Dietmar Boenisch
- B22 - CASTING POWDER METALLURGY