Nucor Corporation
246Patents
198Active
246Granted
57Portfolio score
Filing activity: Sep 28, 1982 → May 9, 2025 · 72 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4575983A | Sliding hold-down clip for standing seam metal roof | Fixed Constructions | 57 | Expired |
| US8096084B2 | Balcony structure | Mechanical Engineering; Lighting; Heating | 35 | Active |
| US6669789B1 | Method for producing titanium-bearing microalloyed high-strength low-alloy steel | Chemistry; Metallurgy | 32 | Expired |
| US8621806B2 | Composite joist floor system | Mechanical Engineering; Lighting; Heating | 28 | Active |
| US4615157A | Floor joist damper | Mechanical Engineering; Lighting; Heating | 28 | Expired |
| US9045693B2 | Pyrolyzer furnace apparatus and method for operation thereof | Mechanical Engineering; Lighting; Heating | 26 | Active |
| US8337643B2 | Hot rolled dual phase steel sheet | Emerging Cross-Sectional Technologies | 24 | Active |
| US4497151A | Standing seam metal roof assembly | Fixed Constructions | 19 | Expired |
| US7442268B2 | Method of manufacturing cold rolled dual-phase steel sheet | Chemistry; Metallurgy | 18 | Expired |
| US7181822B2 | Method and apparatus for controlling strip shape in hot rolling mills | Emerging Cross-Sectional Technologies | 16 | Expired |
| US8444828B2 | Pyrolyzer furnace apparatus and method for operation thereof | Mechanical Engineering; Lighting; Heating | 15 | Active |
| US6547849B2 | Ladle refining of steel | Chemistry; Metallurgy | 14 | Expired |
| US8246013B2 | Cable guardrail system and hanger | Fixed Constructions | 14 | Active |
| US7879160B2 | Cold rolled dual-phase steel sheet | Chemistry; Metallurgy | 13 | Active |
| US7878485B2 | Roadway guardrail system | Fixed Constructions | 11 | Active |
| US5322544A | Melting a mixture of scrap metal using scrap rubber | Emerging Cross-Sectional Technologies | 11 | Expired |
| US6167076A | Electrode wrench | Emerging Cross-Sectional Technologies | 10 | Expired |
| US8353499B2 | Roadway guardrail system | Fixed Constructions | 10 | Active |
| US7608155B2 | High strength, hot dip coated, dual phase, steel sheet and method of manufacturing same | Emerging Cross-Sectional Technologies | 9 | Active |
| US7503375B2 | Method and apparatus for continuously casting thin strip | Performing Operations; Transporting | 9 | Expired |
| US8002472B2 | Slew bearing system | Mechanical Engineering; Lighting; Heating | 8 | Active |
| US10316519B2 | Structural panel systems with a nested sidelap and method of securing | Fixed Constructions | 8 | Active |
| US9845599B2 | Structural steel decking system and method of securing | Fixed Constructions | 8 | Active |
| US7296614B2 | Method and apparatus for controlling the formation of crocodile skin surface roughness on thin cast strip | Performing Operations; Transporting | 8 | Expired |
| US8529178B2 | Weldless building structures | Fixed Constructions | 8 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.