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Patents Grants
last 30 patents
Information
Patent Grant
Apparatus and method for the manufacture of DR steel strip
Patent number
5,833,778
Issue date
Nov 10, 1998
Hoogovens Groep B.V.
Herman C. P. van Kuijeren
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method and apparatus for continuous treatment of a strip of hot dip...
Patent number
5,628,842
Issue date
May 13, 1997
Centre de Recherches Metallurgiques-Centrum voor Research in de Metallurgie
Stephan Wilmotte
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Shaft furnace
Patent number
5,503,373
Issue date
Apr 2, 1996
Hoogovens Groep B.V.
Gijsbertus Schellingerhout
C21 - METALLURGY OF IRON
Information
Patent Grant
Ceramic burner for a hot-blast stove of a blast furnace
Patent number
5,433,599
Issue date
Jul 18, 1995
Hoogovens Groep B.V.
Jacobus Van Laar
C21 - METALLURGY OF IRON
Information
Patent Grant
Instrument for a centrifugal separator for detecting the presence o...
Patent number
5,408,096
Issue date
Apr 18, 1995
Hoogovens Groep B.V.
Richard W. Lea
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Welding joint and backing sleeve therefore
Patent number
5,395,142
Issue date
Mar 7, 1995
HMC H. Meyer & Co. Spezialstahl GmbH
Joachim Horn
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Apparatus for loop binding an article or bundle of articles with an...
Patent number
5,388,505
Issue date
Feb 14, 1995
Hoogovens Groep B.V.
Willem J. Verhart
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Hot blast stove and method for constructing a hot blast stove
Patent number
5,375,817
Issue date
Dec 27, 1994
Hoogovens Groep B.V.
Nicolaas G. J. Bleijendaal
C21 - METALLURGY OF IRON
Information
Patent Grant
Method and apparatus for determining the image clarity of a surface
Patent number
5,359,668
Issue date
Oct 25, 1994
Hoogovens Groep B.V.
Christiaan T. W. Lahaije
G01 - MEASURING TESTING
Information
Patent Grant
Hot-blast main for hot-blast stove system of a blast furnace
Patent number
5,358,223
Issue date
Oct 25, 1994
Hoogovens Groep B.V.
Nicolaas G. J. Bleijendaal
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of bending a laminate having a thermoplastic core layer and...
Patent number
5,354,522
Issue date
Oct 11, 1994
Hoogovens Groep B.V.
Reinier Baartman
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Marking powder for and method of marking a metallic article
Patent number
5,352,278
Issue date
Oct 4, 1994
Hoogovens Groep B.V.
Johannes C. Korver
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Wire transport apparatus
Patent number
5,350,102
Issue date
Sep 27, 1994
Hoogovens Groep B.V.
Andries C. de Muijnck
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Process and plant for obtaining steel strip coils having cold-rolle...
Patent number
5,329,688
Issue date
Jul 19, 1994
Arvedi; Giovanni
Giovanni Arvedi
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method of inhibiting the reduction of the bond strength by water of...
Patent number
5,306,566
Issue date
Apr 26, 1994
Hoogovens Groep B.V.
Jan Bottema
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Apparatus and method for the manufacture of hot-rolled steel
Patent number
5,303,766
Issue date
Apr 19, 1994
Hoogovens Groep B.V.
Pieter J. Kreijger
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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
Process for the removal of sulfur oxide constituents from a waste gas
Patent number
5,225,176
Issue date
Jul 6, 1993
Hoogovens Groep B.V.
Johannes Greefkes
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Cooling system for cooling a moving metal strip
Patent number
5,186,018
Issue date
Feb 16, 1993
Hoogovens Groep B.V.
Gustaaf A. J. M. van Ditzhuijzen
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method of making iron foil by electrodeposition
Patent number
5,173,168
Issue date
Dec 22, 1992
Hoogovens Groep B.V.
Gijsbertus C. van Haastrecht
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Coating thickness gauge using linearly polarized light
Patent number
5,170,049
Issue date
Dec 8, 1992
Hoogovens Groep B.V.
Marinus W. C. De Jonge
G01 - MEASURING TESTING
Information
Patent Grant
Body panel for a vehicle
Patent number
5,149,167
Issue date
Sep 22, 1992
Hoogovens Groep B.V.
Frank G. Rieck
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information
Patent Grant
Sintering machine
Patent number
5,143,356
Issue date
Sep 1, 1992
Hoogovens Groep B.V.
Hubertus A. J. Wittebrood
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Handling molten materials
Patent number
5,129,631
Issue date
Jul 14, 1992
Hoogovens Groep B.V.
Jacobus Van Laar
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Apparatus for manipulating a pallet
Patent number
5,127,695
Issue date
Jul 7, 1992
Hoogovens Groep B.V.
Elbert Zoeten
B66 - HOISTING LIFTING HAULING
Information
Patent Grant
Method for selectively separating a non-ferrous metal
Patent number
5,089,242
Issue date
Feb 18, 1992
Hoogovens Groep B.V.
Job Dijkhuis
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Iron runner
Patent number
5,088,695
Issue date
Feb 18, 1992
Hoogovens Groep BV
Jacobus Van Laar
C21 - METALLURGY OF IRON
Information
Patent Grant
Composite ceramic micropermeable membrane, process and apparatus fo...
Patent number
5,089,299
Issue date
Feb 18, 1992
Hoogovens Groep B.V.
Willem H. Van 'T Veen
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Temper mill installation and shearing machine for use in such an in...
Patent number
5,079,941
Issue date
Jan 14, 1992
Hoogovens Groep B.V.
Jan F. De Blok
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Method of manufacture of pig iron using hollow tube to reseal tap role
Patent number
5,058,864
Issue date
Oct 22, 1991
Hoogovens Groep B.V.
Ronald N. Molenaar
C21 - METALLURGY OF IRON
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
73501055 - CETCO
Serial number
73501055
Registration number
1389643
Filing date
Sep 25, 1984
HOOGOVENS GROEP B.V.
4 - Industrial oils and greases