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Pittsburgh, PA, United States of America

Allegheny Ludlum Industries, Inc.

USPTO Granted Patents = 81

Trademarks = 1

Forward Citations = 584

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60 inventors (with patents filed for the assignee):

Orville W Reen (6 out of 11 patents)

Frank A Malagari, Jr (6 out of 10 patents)

Edward G Choby, Jr (6 out of 6 patents)

4. Amitava Datta (6 out of 6 patents)

5. Clarence L Miller, Jr (5 out of 6 patents)

6. Thomas H Gray (4 out of 7 patents)

7. Albert G Hartline, Iii (4 out of 6 patents)

8. Harry E Deverell (4 out of 8 patents)

9. Jack W Shilling (4 out of 5 patents)

10. Frederick S Lukac (4 out of 4 patents)

11. William P Zbryski (4 out of 4 patents)

12. Raymond L Southern (4 out of 4 patents)

13. Donald R Zaremski (3 out of 10 patents)

14. William M Bloom (3 out of 6 patents)

15. Edward C Falkowski (3 out of 3 patents)

Core Competencies:

Silicon Steel

Electromagnetic Silicon Steel

Austenitic Stainless Steel

Soft Magnetic Material

Soldering Techniques

Metal Processing

Copper-Nickel Alloys

Ingot Mold Technology

Boron-Bearing Steel

Grain-Oriented Steel

Descaling Systems

Nitrogen-Bearing Coatings

81 patents: Sort by Forward Citations

1. 4239263 - Spherical connector having integrally formed outlets (1980-12-16),

2. 4231818 - Methods of producing silicon steel strip (1980-11-04),

3. 4213804 - Processing for cube-on-edge oriented silicon steel (1980-07-22),

4. 4200477 - Processing for electromagnetic silicon steel (1980-04-29),

5. 4197028 - Integral connector for tubular structures (1980-04-08),

6. 4179315 - Silicon steel and processing therefore (1979-12-18),

7. 4175921 - Apparatus for removing gases from particles (1979-11-27),

8. 4171994 - Use of nitrogen-bearing base coatings in the manufacture of high (1979-10-23),

9. 4167426 - Method for annealing silicon steel (1979-09-11),

10. 4166836 - Rendering apparatus (1979-09-04),

11. 4165868 - Method and apparatus for heating coils of strip (1979-08-28),

12. 4161399 - Method for electroslag remelting of a manganese-copper-nickel alloy (1979-07-17),

13. 4161398 - Method for electroslag remelting of a copper-nickel alloy (1979-07-17),

14. 4160681 - Silicon steel and processing therefore (1979-07-10),

15. 4160677 - Method of processing alloy steel strip (1979-07-10),

Allegheny Ludlum Industries, Inc. is a leading manufacturer of specialty materials such as stainless steel, titanium, and nickel alloys. With over 100 years of experience, the company offers a wide range of products to various industries including aerospace, automotive, construction, and electronics. Their commitment to quality and innovation has made them a trusted partner for many global customers.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

81 Patents

#27 in Pittsburgh, PA

#168 in Pennsylvania

#4,398 in US

#8,989 in the World

Pittsburgh, PA, United States of America

Allegheny Ludlum Industries, Inc.

Forward Citations = 584

60 inventors:

Orville W Reen (6 out of 11 patents)

Frank A Malagari, Jr (6 out of 10 patents)

Edward G Choby, Jr (6 out of 6 patents)

4. Amitava Datta (6 out of 6 patents)

5. Clarence L Miller, Jr (5 out of 6 patents)

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