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ALLEGHENY LUDLUM STEEL CORPORATION
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PITTSBURGH, PA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Method for refining molten metal bath to control nitrogen
Patent number
4,615,730
Issue date
Oct 7, 1986
Allegheny Ludlum Steel Corporation
Joseph W. Tommaney
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of producing thin gauge oriented silicon steel
Patent number
4,608,100
Issue date
Aug 26, 1986
Allegheny Ludlum Steel Corporation
Frank A. Malagari
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for improving the annealing separator coating on silicon ste...
Patent number
4,582,547
Issue date
Apr 15, 1986
Allegheny Ludlum Steel Corporation
LeRoy R. Price
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for descaling metal strip
Patent number
4,581,073
Issue date
Apr 8, 1986
Allegheny Ludlum Steel Corporation
Nazmi Y. Toker
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Reusable shipping container
Patent number
4,576,300
Issue date
Mar 18, 1986
Allegheny Ludlum Steel Corporation
Edward S. Kedzior
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Austenitic stainless steel for low temperature service
Patent number
4,568,387
Issue date
Feb 4, 1986
Allegheny Ludlum Steel Corporation
John P. Ziemianski
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method for producing cube-on-edge oriented silicon steel
Patent number
4,548,655
Issue date
Oct 22, 1985
Allegheny Ludlum Steel Corporation
Robert F. Miller
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for producing a weldable austenitic stainless steel in heavy...
Patent number
4,545,826
Issue date
Oct 8, 1985
Allegheny Ludlum Steel Corporation
Thomas H. McCunn
C21 - METALLURGY OF IRON
Information
Patent Grant
Method and apparatus for reducing core losses of grain-oriented sil...
Patent number
4,533,409
Issue date
Aug 6, 1985
Allegheny Ludlum Steel Corporation
James G. Benford
C21 - METALLURGY OF IRON
Information
Patent Grant
Work-hardenable substantially austenitic stainless steel and method
Patent number
4,533,391
Issue date
Aug 6, 1985
Allegheny Ludlum Steel Corporation
Paul R. Borneman
C21 - METALLURGY OF IRON
Information
Patent Grant
Replaceable seals for ladle heaters
Patent number
4,529,176
Issue date
Jul 16, 1985
Allegheny Ludlum Steel Corporation
William M. Bloom
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Method for producing steel in a top oxygen blown vessel
Patent number
4,529,442
Issue date
Jul 16, 1985
Allegheny Ludlum Steel Corporation
Joseph W. Tommaney
C21 - METALLURGY OF IRON
Information
Patent Grant
System and method for producing steel in a top-blown vessel
Patent number
4,529,443
Issue date
Jul 16, 1985
Allegheny Ludlum Steel Corporation
Joseph W. Tommaney
C21 - METALLURGY OF IRON
Information
Patent Grant
Corrosion-resistant tube assembly
Patent number
4,524,996
Issue date
Jun 25, 1985
Allegheny Ludlum Steel Corporation
Joseph M. Hunt
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Method of welding ferritic and austenitic stainless steels and prod...
Patent number
4,525,620
Issue date
Jun 25, 1985
Allegheny Ludlum Steel Corporation
Harry E. Deverell
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Metering system for corrosive liquids and method therefor
Patent number
4,518,101
Issue date
May 21, 1985
Allegheny Ludlum Steel Corporation
Philip R. Robinson
G01 - MEASURING TESTING
Information
Patent Grant
Method and apparatus for slitting metal strip
Patent number
4,516,736
Issue date
May 14, 1985
Allegheny Ludlum Steel Corporation
Poul Andersen
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method for producing steel in a top-blown vessel
Patent number
4,514,220
Issue date
Apr 30, 1985
Allegheny Ludlum Steel Corporation
Joseph W. Tommaney
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for producing semiconductor devices
Patent number
4,503,089
Issue date
Mar 5, 1985
Allegheny Ludlum Steel Corporation
Joseph M. Hunt
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of casting amorphous metals
Patent number
4,501,316
Issue date
Feb 26, 1985
Allegheny Ludlum Steel Corporation
S. Leslie Ames
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method of welding steel strip
Patent number
4,492,849
Issue date
Jan 8, 1985
Allegheny Ludlum Steel Corporation
Jack M. Biegay
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Coil winding apparatus
Patent number
4,489,901
Issue date
Dec 25, 1984
Allegheny Ludlum Steel Corporation
Poul Andersen
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Apparatus for strip casting having a heated orifice
Patent number
4,488,590
Issue date
Dec 18, 1984
Allegheny Ludlum Steel Corporation
Nazmi Y. Toker
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Rapidly cast alloy strip having dissimilar portions
Patent number
4,485,839
Issue date
Dec 4, 1984
Allegheny Ludlum Steel Corporation
Brian L. Ward
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Cathode for use in electrolytic processing solution
Patent number
4,484,996
Issue date
Nov 27, 1984
Allegheny Ludlum Steel Corporation
Roy C. Bongartz
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Method of and apparatus for strip casting
Patent number
4,484,614
Issue date
Nov 27, 1984
Allegheny Ludlum Steel Corporation
Robert E. Maringer
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Method for improving the magnetic permeability of grain oriented si...
Patent number
4,482,397
Issue date
Nov 13, 1984
Allegheny Ludlum Steel Corporation
Amitava Datta
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for producing cube-on-edge oriented silicon steel
Patent number
4,482,401
Issue date
Nov 13, 1984
Allegheny Ludlum Steel Corporation
Robert F. Miller
C21 - METALLURGY OF IRON
Information
Patent Grant
Strip casting apparatus
Patent number
4,479,528
Issue date
Oct 30, 1984
Allegheny Ludlum Steel Corporation
Robert E. Maringer
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Annular tuyere and method
Patent number
4,477,279
Issue date
Oct 16, 1984
Allegheny Ludlum Steel Corporation
John D. Nauman
B22 - CASTING POWDER METALLURGY
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
73613080 - 409HP
Serial number
73613080
Filing date
Jul 31, 1986
Allegheny Ludlum Steel Corporation
6 - Common metals and their alloys
Information
Trademark
73605494 - AL 29-4C
Serial number
73605494
Registration number
1427193
Filing date
Jun 20, 1986
Allegheny Ludlum Steel Corporation
6 - Common metals and their alloys
Information
Trademark
73603699 - DEDICATED TO QUALITY SPECIALTY STEEL
Serial number
73603699
Registration number
1427188
Filing date
Jun 11, 1986
Allegheny Ludlum Steel Corporation
6 - Common metals and their alloys
Information
Trademark
73603698 - AL-6XN
Serial number
73603698
Registration number
1427187
Filing date
Jun 11, 1986
Allegheny Ludlum Steel Corporation
6 - Common metals and their alloys
Information
Trademark
73577411 - 439HP
Serial number
73577411
Filing date
Jan 13, 1986
Allegheny Ludlum Steel Corporation
6 - Common metals and their alloys
Information
Trademark
73362725 - AL 29-4-2
Serial number
73362725
Registration number
1288629
Filing date
May 3, 1982
Allegheny Ludlum Steel Corporation
6 - Common metals and their alloys
Information
Trademark
72292246 - TOOL WRAP
Serial number
72292246
Registration number
908286
Filing date
Mar 1, 1968
ALLEGHENY LUDLUM STEEL CORPORATION
6 - Common metals and their alloys
Information
Trademark
72276401 - REDI-FINISH
Serial number
72276401
Registration number
858186
Filing date
Jul 20, 1967
ALLEGHENY LUDLUM STEEL CORPORATION
6 - Common metals and their alloys
Information
Trademark
72259514 - INVACUTRODE
Serial number
72259514
Registration number
840299
Filing date
Nov 28, 1966
ALLEGHENY LUDLUM STEEL CORPORATION
6 - Common metals and their alloys
Information
Trademark
72197051 - ALLEGHENY
Serial number
72197051
Registration number
783892
Filing date
Jul 6, 1964
ALLEGHENY LUDLUM STEEL CORPORATION
6 - Common metals and their alloys
Information
Trademark
72176141 - EXOCUT
Serial number
72176141
Registration number
771398
Filing date
Sep 3, 1963
ALLEGHENY LUDLUM STEEL CORPORATION
6 - Common metals and their alloys
Information
Trademark
72167094 - ALMAR
Serial number
72167094
Registration number
764940
Filing date
Apr 19, 1963
ALLEGHENY LUDLUM STEEL CORPORATION
6 - Common metals and their alloys
Information
Trademark
72162061 - ALMOLD
Serial number
72162061
Registration number
768622
Filing date
Feb 5, 1963
ALLEGHENY LUDLUM STEEL CORPORATION
6 - Common metals and their alloys
Information
Trademark
72132432 - A-L ARNOLD
Serial number
72132432
Registration number
738491
Filing date
Nov 21, 1961
ALLEGHENY LUDLUM STEEL CORPORATION
6 - Common metals and their alloys
Information
Trademark
72132433 - AL ARNOLD
Serial number
72132433
Registration number
738192
Filing date
Nov 21, 1961
ALLEGHENY LUDLUM STEEL CORPORATION
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
72113048 - ALTEMP
Serial number
72113048
Registration number
733271
Filing date
Feb 6, 1961
ALLEGHENY LUDLUM STEEL CORPORATION
6 - Common metals and their alloys
Information
Trademark
72090879 - SILECTCOR
Serial number
72090879
Registration number
703801
Filing date
Feb 15, 1960
ALLEGHENY LUDLUM STEEL CORPORATION
6 - Common metals and their alloys
Information
Trademark
72082948 - INVACUTRODE
Serial number
72082948
Registration number
701208
Filing date
Oct 9, 1959
ALLEGHENY LUDLUM STEEL CORPORATION
6 - Common metals and their alloys
Information
Trademark
72063390 - CARMET
Serial number
72063390
Registration number
702198
Filing date
Dec 1, 1958
ALLEGHENY LUDLUM STEEL CORPORATION
7 - Machines and machine tools
Information
Trademark
72055560 - CONSUTRODE
Serial number
72055560
Registration number
678742
Filing date
Jul 18, 1958
ALLEGHENY LUDLUM STEEL CORPORATION
6 - Common metals and their alloys
Information
Trademark
71623790 - SILECTRON
Serial number
71623790
Registration number
576277
Filing date
Jan 19, 1952
ALLEGHENY LUDLUM STEEL CORPORATION
6 - Common metals and their alloys
Information
Trademark
71618669 - TELEMET
Serial number
71618669
Registration number
561622
Filing date
Sep 12, 1951
ALLEGHENY LUDLUM STEEL CORPORATION
6 - Common metals and their alloys
Information
Trademark
71595645 - UTICA
Serial number
71595645
Registration number
551946
Filing date
Apr 13, 1950
ALLEGHENY LUDLUM STEEL CORPORATION
6 - Common metals and their alloys
Information
Trademark
71595644 - HURON
Serial number
71595644
Registration number
546654
Filing date
Apr 13, 1950
ALLEGHENY LUDLUM STEEL CORPORATION
6 - Common metals and their alloys
Information
Trademark
71559485 - ONTARIO
Serial number
71559485
Registration number
547733
Filing date
Jun 17, 1948
ALLEGHENY LUDLUM STEEL CORPORATION
6 - Common metals and their alloys
Information
Trademark
71559486 - POTOMAC
Serial number
71559486
Registration number
513178
Filing date
Jun 17, 1948
ALLEGHENY LUDLUM STEEL CORPORATION
6 - Common metals and their alloys
Information
Trademark
71559483 - ALCARVAN
Serial number
71559483
Registration number
513176
Filing date
Jun 17, 1948
ALLEGHENY LUDLUM STEEL CORPORATION
6 - Common metals and their alloys
Information
Trademark
71559488 - SARATOGA
Serial number
71559488
Registration number
513180
Filing date
Jun 17, 1948
ALLEGHENY LUDLUM STEEL CORPORATION
6 - Common metals and their alloys
Information
Trademark
71518930 - AL
Serial number
71518930
Registration number
435539
Filing date
Mar 13, 1947
ALLEGHENY LUDLUM STEEL CORPORATION
6 - Common metals and their alloys
Information
Trademark
71513008 - ACD
Serial number
71513008
Registration number
433780
Filing date
Nov 22, 1946
ALLEGHENY LUDLUM STEEL CORPORATION
6 - Common metals and their alloys