Adolf Peeck

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D-4700 Hamm 1, DE

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Patents Grantslast 30 patents

Information Patent Grant
Gas-tight joint for pipe linings and risers
- Patent number 4,969,671
- Issue date Nov 13, 1990
- Hoechst Aktiengesellschaft
- Heinz Gross
- E21 - EARTH DRILLING MINING
Information Patent Grant
Multi-layer helical seam steel pipe
- Patent number 4,823,847
- Issue date Apr 25, 1989
- Hoesch Werke AG
- Heinz Grosse
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method for making steel tubes or pipes of increased acidic gas resi...
- Patent number 4,721,536
- Issue date Jan 26, 1988
- Hoesch Aktiengesellschaft
- Heinz Grob
- C21 - METALLURGY OF IRON
Information Patent Grant
Multi-layer helical seam steel pipe
- Patent number 4,688,319
- Issue date Aug 25, 1987
- Heinz Gross
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...