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For the Inventor, By the Inventor

Pittsburgh, PA, United States of America

United States Steel Corporation


USPTO Granted Patents = 534



Trademarks = 82

Forward Citations = 4,761

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548 inventors (with patents filed for the assignee):

goldMedal William L Pringle (26 out of 42 patents)

silverMedal Robert H Kachik (16 out of 16 patents)

bronzeMedal Arthur J Pignocco (14 out of 14 patents)

4.  Herbert W Galer (11 out of 19 patents)

5.  Wayne A Martin (10 out of 10 patents)

6.  Kenneth D Ives (8 out of 12 patents)

7.  William J Didycz (8 out of 8 patents)

8.  David Paul Hoydick (7 out of 7 patents)

9.  Alfred J Capriotti (7 out of 7 patents)

10.  Calvin E Kelly (7 out of 8 patents)

11.  Roger L Rueckl (7 out of 7 patents)

12.  John Edward Aiken (6 out of 20 patents)

13.  Donald Glassman (6 out of 8 patents)

14.  William A Kolb (6 out of 6 patents)

15.  Eduardo Augusto Silva (5 out of 5 patents)


Core Competencies:
High Strength Steel
Annealing Processes
Metallic Tubular Products
Degassing Method
Welded Advanced High Strength Steel
Thermal Treatment
Galvanization Coating
Compressive Forming Processes
Weldability Improvements
Dual Phase Steel
Electrocoating
Heat Input Control

534 patents:

1. 12404564 - Annealing processes for making high strength steel products (2025-09-02),
2. 12358038 - Metallic tubular products with enhanced collapse resistance (2025-07-15),
3. 12227813 - Degassing method for manufacturing steel (2025-02-18),
4. 12168808 - Degassing method for manufacturing ultra-low carbon, nitrogen, sulfur steel (2024-12-17),
5. 11993823 - High strength annealed steel products and annealing processes for making the same (2024-05-28),
6. 11965611 - Threaded pipe connections with improved leak tightness (2024-04-23),
7. 11607744 - Welded advanced high strength steel (2023-03-21),
8. 11602787 - Steel ladle taper plate assemblies (2023-03-14),
9. 11560606 - Methods of producing continuously cast hot rolled high strength steel sheet products (2023-01-24),
10. 11560605 - High yield strength steel with mechanical properties maintained or enhanced via thermal treatment optionally provided during galvanization coating operations (2023-01-24),
11. 11268162 - High strength annealed steel products (2022-03-08),
12. 11254996 - Delayed cracking prevention during drawing of high strength steel (2022-02-22),
13. 11179763 - Compressive forming processes for enhancing collapse resistance in metallic tubular products (2021-11-23),
14. 10975453 - Edge formability in metallic alloys (2021-04-13),
15. 10960487 - Weldability improvements in advanced high strength steel (2021-03-30),
Founded in 1901, United States Steel Corporation is an American integrated steel producer headquartered in Pittsburgh, Pennsylvania. With a rich history and a commitment to innovation, the company is a leading producer of high-quality steel products for various industries including automotive, construction, and energy. U.S. Steel operates in North America and Central Europe, serving customers worldwide with its diverse range of steel solutions.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 9 2025

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534 Patents

#6 in Pittsburgh, PA

#34 in Pennsylvania

#882 in US

#1,768 in the World

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Pittsburgh, PA, United States of America

United States Steel Corporation

Forward Citations = 4,761

548 inventors:

goldMedal William L Pringle (26 out of 42 patents)

silverMedal Robert H Kachik (16 out of 16 patents)

bronzeMedal Arthur J Pignocco (14 out of 14 patents)

4.  Herbert W Galer (11 out of 19 patents)

5.  Wayne A Martin (10 out of 10 patents)

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