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LTV Steel Company, Inc.
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Cleveland, OH, US
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Patents Grants
last 30 patents
Information
Patent Grant
High strength steel tubing
Patent number
6,518,533
Issue date
Feb 11, 2003
LTV Steel Company, Inc.
David S. Haghiri
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Steel with electrically insulating hematite layer
Patent number
6,284,388
Issue date
Sep 4, 2001
LTV Steel Company, Inc.
Richard J. Blotzer
C21 - METALLURGY OF IRON
Information
Patent Grant
Preventing air aspiration in slide gate plate throttling mechanisms
Patent number
6,250,521
Issue date
Jun 26, 2001
LTV Steel Company, Inc.
Mohammad Assar
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Electrical steel with improved magnetic properties in the rolling d...
Patent number
6,231,685
Issue date
May 15, 2001
LTV Steel Company, Inc.
Jeffrey P. Anderson
C21 - METALLURGY OF IRON
Information
Patent Grant
Formability of metal having a zinc layer
Patent number
6,231,686
Issue date
May 15, 2001
LTV Steel Company, Inc.
George R. Eierman
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Steel with electrically insulating hematite layer
Patent number
6,221,501
Issue date
Apr 24, 2001
LTV Steel Company, Inc.
Richard J. Blotzer
C21 - METALLURGY OF IRON
Information
Patent Grant
Process of making electrical steels
Patent number
6,217,673
Issue date
Apr 17, 2001
LTV Steel Company, Inc.
John F. Butler
C21 - METALLURGY OF IRON
Information
Patent Grant
Water driven roller for hot strip mill sideguides
Patent number
6,158,572
Issue date
Dec 12, 2000
LTV Steel Company, Inc.
Kirk C. Butler
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Treatment of steel mill waste metal oxides
Patent number
6,120,577
Issue date
Sep 19, 2000
LTV Steel Company, Inc.
Peter J. Koros
C21 - METALLURGY OF IRON
Information
Patent Grant
Submerged entry nozzle
Patent number
6,016,941
Issue date
Jan 25, 2000
LTV Steel Company, Inc.
Chandrashekhar S. Damle
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Basic oxygen process with iron oxide pellet addition
Patent number
5,897,684
Issue date
Apr 27, 1999
LTV Steel Company, Inc.
Chung S. Kim
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Foamy slag process using multi-circuit lance
Patent number
5,885,323
Issue date
Mar 23, 1999
LTV Steel Company, Inc.
Chung S. Kim
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of agglomerating oil-containing steel mill waste
Patent number
5,885,328
Issue date
Mar 23, 1999
LTV Steel Company, Inc.
Kegham M. Markarian
C21 - METALLURGY OF IRON
Information
Patent Grant
Process of making electrical steels
Patent number
RE35967
Issue date
Nov 24, 1998
LTV Steel Company, Inc.
Barry A. Lauer
148 - Metal treatment
Information
Patent Grant
Preventing skull accumulation on a steelmaking lance
Patent number
5,830,259
Issue date
Nov 3, 1998
LTV Steel Company, Inc.
Chung S. Kim
C21 - METALLURGY OF IRON
Information
Patent Grant
Electrical steel with improved magnetic properties in the rolling d...
Patent number
5,798,001
Issue date
Aug 25, 1998
LTV Steel Company, Inc.
Jeffrey P. Anderson
C21 - METALLURGY OF IRON
Information
Patent Grant
Nozzle assembly having inert gas distributor
Patent number
5,723,055
Issue date
Mar 3, 1998
Vesuvius Crucible Company
Dominique Janssen
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Process of making electrical steels
Patent number
5,609,696
Issue date
Mar 11, 1997
LTV Steel Company, Inc.
Barry A. Lauer
C21 - METALLURGY OF IRON
Information
Patent Grant
Controlled foamy slag process
Patent number
5,584,909
Issue date
Dec 17, 1996
LTV Steel Company, Inc.
Chung S. Kim
C21 - METALLURGY OF IRON
Information
Patent Grant
Electric arc furnace electrode consumption analyzer
Patent number
5,539,768
Issue date
Jul 23, 1996
LTV Steel Company, Inc.
Richard E. Kracich
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Method of making ultra-low carbon and sulfur steel
Patent number
5,472,479
Issue date
Dec 5, 1995
LTV Steel Company, Inc.
Kevin C. Ahlborg
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of making high nitrogen content steel
Patent number
5,417,739
Issue date
May 23, 1995
LTV Steel Company, Inc.
Richard R. Watkins
C21 - METALLURGY OF IRON
Information
Patent Grant
Method and apparatus for slag free casting
Patent number
5,203,909
Issue date
Apr 20, 1993
LTV Steel Company, Inc.
Robert G. Petrushka
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Continuous casting apparatus and method
Patent number
5,137,075
Issue date
Aug 11, 1992
LTV Steel Company, Inc.
Charles C. Gerding
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Shrouding for top pouring of ingots
Patent number
5,067,552
Issue date
Nov 26, 1991
LTV Steel Company, Inc.
Robert G. Petrushka
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
As-hot rolled bar steel
Patent number
4,806,177
Issue date
Feb 21, 1989
LTV Steel Company, Inc.
John F. Held
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Electronically scanned eddy current flaw inspection
Patent number
4,785,243
Issue date
Nov 15, 1988
LTV Steel Company
Richard F. Abramczyk
G01 - MEASURING TESTING
Information
Patent Grant
Method for removing certain of the corrugations in a helically corr...
Patent number
4,751,839
Issue date
Jun 21, 1988
LTV Steel Company, Inc.
Albert M. Thomas
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method and apparatus for examining a workpiece
Patent number
4,644,271
Issue date
Feb 17, 1987
LTV Steel Company, Inc.
James M. Toth
G01 - MEASURING TESTING
Information
Patent Grant
Top pour shroud
Patent number
4,589,465
Issue date
May 20, 1986
LTV Steel Company, Inc.
Charles C. Gerding
B22 - CASTING POWDER METALLURGY
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
75179513 - GALVITE
Serial number
75179513
Registration number
2132097
Filing date
Oct 9, 1996
LTV STEEL COMPANY, INC.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
74530309 - LTV
Serial number
74530309
Registration number
1981925
Filing date
May 27, 1994
LTV STEEL COMPANY, INC.
6 - Common metals and their alloys
Information
Trademark
74530380 - LTV
Serial number
74530380
Registration number
1934904
Filing date
May 27, 1994
LTV STEEL COMPANY, INC.
6 - Common metals and their alloys
Information
Trademark
74229867 - LOC
Serial number
74229867
Registration number
1711154
Filing date
Dec 12, 1991
LTV STEEL COMPANY, INC.
6 - Common metals and their alloys
Information
Trademark
74056301 - LOC
Serial number
74056301
Filing date
May 7, 1990
LTV STEEL COMPANY, INC.
6 - Common metals and their alloys
Information
Trademark
73812876 - ELECTRO FLASHCOTE
Serial number
73812876
Registration number
1615421
Filing date
Jul 17, 1989
LTV STEEL COMPANY, INC.
6 - Common metals and their alloys
Information
Trademark
73781351 - JALLOY
Serial number
73781351
Registration number
1597154
Filing date
Feb 17, 1989
LTV STEEL COMPANY, INC.
6 - Common metals and their alloys
Information
Trademark
73781394 - IMP
Serial number
73781394
Registration number
1597155
Filing date
Feb 17, 1989
LTV STEEL COMPANY, INC.
6 - Common metals and their alloys
Information
Trademark
73775439 - INCH-MARKED
Serial number
73775439
Registration number
1657128
Filing date
Jan 19, 1989
LTV STEEL COMPANY, INC.
6 - Common metals and their alloys
Information
Trademark
73775440 - ELECTRUNITE
Serial number
73775440
Registration number
1647178
Filing date
Jan 19, 1989
LTV STEEL COMPANY, INC.
6 - Common metals and their alloys
Information
Trademark
73775438 - SILVERSLICK
Serial number
73775438
Registration number
1618408
Filing date
Jan 19, 1989
LTV STEEL COMPANY, INC.
6 - Common metals and their alloys
Information
Trademark
73639287 - INCH-MARKED
Serial number
73639287
Registration number
1480444
Filing date
Jan 12, 1987
LTV STEEL COMPANY, INC.
6 - Common metals and their alloys