Cornelis Pronk

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Castricum, NL

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Patents Grantslast 30 patents

Information Patent Grant
Method of manufacturing a deep-drawing steel strip or sheet
- Patent number 6,109,336
- Issue date Aug 29, 2000
- Hoogovens Staal B.V.
- Cornelis Pronk
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method for the manufacture of a strip of formable steel
- Patent number 6,053,996
- Issue date Apr 25, 2000
- Hoogovens Staal B.V.
- Cornelis Pronk
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method of tinning metal strip
- Patent number 4,711,704
- Issue date Dec 8, 1987
- Hoogovens Groep B.V.
- Jacques van Breda
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR