ALLEGHENY LUDLUM STEEL CORPORATION

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PITTSBURGH, PA, US

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Patents Grantslast 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

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Trademarklast 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

ALLEGHENY LUDLUM STEEL CORPORATION

Organization

Patents Grantslast 30 patents

Method for refining molten metal bath to control nitrogen

Method of producing thin gauge oriented silicon steel

Method for improving the annealing separator coating on silicon ste...

Method for descaling metal strip

Reusable shipping container

Austenitic stainless steel for low temperature service

Method for producing cube-on-edge oriented silicon steel

Method for producing a weldable austenitic stainless steel in heavy...

Method and apparatus for reducing core losses of grain-oriented sil...

Work-hardenable substantially austenitic stainless steel and method

Replaceable seals for ladle heaters

Method for producing steel in a top oxygen blown vessel

System and method for producing steel in a top-blown vessel

Corrosion-resistant tube assembly

Method of welding ferritic and austenitic stainless steels and prod...

Metering system for corrosive liquids and method therefor

Method and apparatus for slitting metal strip

Method for producing steel in a top-blown vessel

Method for producing semiconductor devices

Method of casting amorphous metals

Method of welding steel strip

Coil winding apparatus

Apparatus for strip casting having a heated orifice

Rapidly cast alloy strip having dissimilar portions

Cathode for use in electrolytic processing solution

Method of and apparatus for strip casting

Method for improving the magnetic permeability of grain oriented si...

Method for producing cube-on-edge oriented silicon steel

Strip casting apparatus

Annular tuyere and method

Trademarklast 30 trademarks

73613080 - 409HP

73605494 - AL 29-4C

73603699 - DEDICATED TO QUALITY SPECIALTY STEEL

73603698 - AL-6XN

73577411 - 439HP

73362725 - AL 29-4-2

72292246 - TOOL WRAP

72276401 - REDI-FINISH

72259514 - INVACUTRODE

72197051 - ALLEGHENY

72176141 - EXOCUT

72167094 - ALMAR

72162061 - ALMOLD

72132432 - A-L ARNOLD

72132433 - AL ARNOLD

72113048 - ALTEMP

72090879 - SILECTCOR

72082948 - INVACUTRODE

72063390 - CARMET

72055560 - CONSUTRODE

71623790 - SILECTRON

71618669 - TELEMET

71595645 - UTICA

71595644 - HURON

71559485 - ONTARIO

71559486 - POTOMAC

71559483 - ALCARVAN

71559488 - SARATOGA

71518930 - AL

71513008 - ACD