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For the Inventor, By the Inventor

Charlotte, NC, United States of America

Nucor Corporation


USPTO Granted Patents = 248

% Expired Patents = 23.8



Trademarks = 38

Forward Citations = 891

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254 inventors (with patents filed for the assignee):

goldMedal Walter N Blejde (38 out of 38 patents)

silverMedal Rama Ballav Mahapatra (32 out of 37 patents)

bronzeMedal Lionel Edward Dayton (19 out of 22 patents)

4.  Weiping Sun (16 out of 16 patents)

5.  Mark Schlichting (16 out of 18 patents)

6.  Lazar Strezov (15 out of 34 patents)

7.  Harold Bradley Rees (12 out of 12 patents)

8.  Jay Jon Ondrovic (12 out of 12 patents)

9.  Glenn Wayne Studebaker (11 out of 12 patents)

10.  David Lee Samuelson (11 out of 12 patents)

11.  David John Sosinsky (10 out of 10 patents)

12.  Richard W Lukes (9 out of 21 patents)

13.  Mike Schueren (9 out of 9 patents)

14.  Christopher Ronald Killmore (9 out of 9 patents)

15.  Tao Wang (8 out of 8 patents)


Core Competencies:
Ultra-High Strength Steel
Zinc Alloy Coating
Weathering Steel
Twin Roll Casting
Electrical Steel Processing
Direct Reduced Iron
Structural Systems
Clean Power Generation
Casting Methods
Hot Rolled Steel
Material Handling
Joist Systems

248 patents:

1. 12703032 - Grating separation method and system for separating grating (2026-08-11),
2. 12686893 - Direct reduced iron system and method (2026-07-21),
3. 12637860 - Joist table systems and methods (2026-05-26),
4. 12630908 - Multiphase ultra-high strength hot rolled steel (2026-05-19),
5. 12447525 - Application of a learning agent to achieve autonomous operation of a twin roll casting machine (2025-10-21),
6. 12428296 - Process for generating clean power and hydrogen (2025-09-30),
7. 12359294 - Zinc alloy coated press-hardenable steels and method of manufacturing the same (2025-07-15),
8. 12325902 - Ultra-high strength weathering steel and high friction rolling of the same (2025-06-10),
9. 12320124 - Insulated roof systems, support members thereof, and method of installing (2025-06-03),
10. 12320117 - Joist table systems and methods (2025-06-03),
11. 12264620 - Attenuated combustion for clean power and hydrogen capture (2025-04-01),
12. 12162066 - Training-free data-driven method for input-output modeling of complex process (2024-12-10),
13. D1053389 - Support member for roof panel offset (2024-12-03),
14. 12076787 - Fault detection for iterative learning control of time-varying systems (2024-09-03),
15. 12068095 - Electrical steel processing without a post cold-rolling intermediate anneal (2024-08-20),
Nucor Corporation, headquartered in Charlotte, NC, is a leading player in the steel manufacturing industry, specializing in innovative steel products and processes. The company focuses on advanced technologies such as ultra-high strength steel, zinc alloy coating, and weathering steel, catering to diverse applications across construction, automotive, and energy sectors. Nucor is committed to sustainability, employing methods like direct reduced iron and clean power generation to enhance efficiency and reduce environmental impact in its operations.
Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

Nucor Corporation
248 Patents

#14 in Charlotte, NC

#51 in North Carolina

#1,717 in US

#3,499 in the World

Charlotte, NC (US)
Charlotte, NC, United States of America

Nucor Corporation

Forward Citations = 891

254 inventors:

goldMedal Walter N Blejde (38 out of 38 patents)

silverMedal Rama Ballav Mahapatra (32 out of 37 patents)

bronzeMedal Lionel Edward Dayton (19 out of 22 patents)

4.  Weiping Sun (16 out of 16 patents)

5.  Mark Schlichting (16 out of 18 patents)

Please report any incorrect information to [email protected]
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