Huibert Willem Den Hartog

Person

Noorwijkerhout, NL

People

Patents Grantslast 30 patents

Information Patent Grant
Process and device for producing a steel strip or sheet
- Patent number 6,533,876
- Issue date Mar 18, 2003
- Corus Staal
- Marcus Cornelis Maria Cornelissen
- C21 - METALLURGY OF IRON
Information Patent Grant
Method and apparatus for the manufacture of a steel strip
- Patent number 6,280,542
- Issue date Aug 28, 2001
- Corus Technology B.V.
- Marcus Cornelis Maria Cornelissen
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method and apparatus for the manufacture of formable steel
- Patent number 6,276,437
- Issue date Aug 21, 2001
- Corus Staal BV
- Huibert Willem Den Hartog
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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 and apparatus for producing pig iron by smelting reduction a...
- Patent number 5,989,307
- Issue date Nov 23, 1999
- Hoogovens Staal B.V.
- Huibert W. den Hartog
- C21 - METALLURGY OF IRON
Information Patent Grant
Process and apparatus for producing molten pig iron
- Patent number 5,968,448
- Issue date Oct 19, 1999
- Hoogovens Staal B.V.
- Huibert W. den Hartog
- C21 - METALLURGY OF IRON
Information Patent Grant
Method and apparatus for producing pig iron by smelting reduction a...
- Patent number 5,827,473
- Issue date Oct 27, 1998
- Hoogovens Staal B.V.
- Huibert W. den Hartog
- C21 - METALLURGY OF IRON
Information Patent Grant
Process for producing molten pig iron with melting cyclone
- Patent number 5,800,592
- Issue date Sep 1, 1998
- Hoogovens Staal B.V.
- Huibert W. den Hartog
- C21 - METALLURGY OF IRON
Information Patent Grant
Silicon-containing iron sheet for electrical applications and metho...
- Patent number 5,262,039
- Issue date Nov 16, 1993
- Hoogovens Groep B.V.
- Huibert W. den Hartog
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Method for the manufacture of formable steel
- Patent number 5,042,564
- Issue date Aug 27, 1991
- Hoogovens Groep B.V.
- Erik B. Van Perlstein
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method and apparatus for the manufacture of formable steel strip
- Patent number 5,009,396
- Issue date Apr 23, 1991
- Hoogovens Groep B.V.
- Huibert den Hartog
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Non-ageing low-alloy hot-rolled strip-form formable steel
- Patent number 4,985,090
- Issue date Jan 15, 1991
- Hoogovens Groep B.V.
- Erik B. Van Perlstein
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for the manufacture of formable steel strip
- Patent number 4,885,041
- Issue date Dec 5, 1989
- Hoogovens, Groep B.V.
- Huibert W. den Hartog
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Huibert Willem Den Hartog

Person

Patents Grantslast 30 patents

Process and device for producing a steel strip or sheet

Method and apparatus for the manufacture of a steel strip

Method and apparatus for the manufacture of formable steel

Method of manufacturing a deep-drawing steel strip or sheet

Method for the manufacture of a strip of formable steel

Method and apparatus for producing pig iron by smelting reduction a...

Process and apparatus for producing molten pig iron

Method and apparatus for producing pig iron by smelting reduction a...

Process for producing molten pig iron with melting cyclone

Silicon-containing iron sheet for electrical applications and metho...

Method for the manufacture of formable steel

Method and apparatus for the manufacture of formable steel strip

Non-ageing low-alloy hot-rolled strip-form formable steel

Method for the manufacture of formable steel strip