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Weirton, WV, United States of America

Weirton Steel Corporation

USPTO Granted Patents = 68

% Expired Patents = 2.9

Forward Citations = 678

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41 inventors (with patents filed for the assignee):

William T Saunders (32 out of 62 patents)

William H Dalrymple (9 out of 9 patents)

William T Saunders, Deceased (8 out of 8 patents)

4. James A Bray (7 out of 7 patents)

5. Kenneth R Olashuk (4 out of 5 patents)

6. John Lodewyk Loth (3 out of 18 patents)

7. John A Sinsel (3 out of 8 patents)

8. Lowell W Austin (3 out of 14 patents)

9. William L Johnston (3 out of 3 patents)

10. Jon F Grubbs (3 out of 3 patents)

11. Walter A Wilson (3 out of 6 patents)

12. Howard Snyder (3 out of 3 patents)

13. Anthony J Santilli (3 out of 3 patents)

14. Timothy L Cox (3 out of 4 patents)

15. Robert R Goodhart (3 out of 3 patents)

Core Competencies:

Polymeric Coating

Electrolytic Tinplating

Surface Cleansing

Can Body Fabrication

Sheet Metal Roofing

Rigid Packaging

Composite-Coated Steel

Continuous Strip Coating

Convenience-Feature End Closure

Draw-Processing

Flat-Rolled Steel Manufacture

Safety-Edge Design

68 patents: Sort by Forward Citations

1. 6773217 - Polymeric coating formulations and steel substrate composites (2004-08-10),

2. 6679273 - Surface cleansing of continuous-strip steel for hot-dip metal coating and apparatus for decreasing surface cleansing solution requirements (2004-01-20),

3. 6305210 - One-piece can bodies for pressure pack beverage cans (2001-10-23),

4. 6280596 - Electrolytic tinplating of steel substrate and apparatus (2001-08-28),

5. D425419 - Rigid sheet metal end closure with integral opener (2000-05-23),

6. D422911 - Rigid sheet metal end closure with integral opener (2000-04-18),

7. 6035689 - Rigid sheet metal rivet button fabrication for convenience-feature can (2000-03-14),

8. 5987951 - Fabricating one-piece can bodies with controlled side wall elongation (1999-11-23),

9. 5953810 - Weatherproofing for sheet metal roofing (1999-09-21),

10. 5941050 - Protecting flat-rolled sheet metal for shipment and storage (1999-08-24),

11. 5928487 - Electrolytic plating of steel substrate (1999-07-27),

12. 5887647 - Decreasing contamination of molten metal prior to solidification casting (1999-03-30),

13. 5861215 - Light-gage composite-coated flat-rolled steel manufacture and product (1999-01-19),

14. 5830282 - Continuous particle separation operation (1998-11-03),

15. 5813811 - Easy-access sheet metal container structures (1998-09-29),

Company Overview

Weirton Steel Corporation, headquartered in Weirton, West Virginia, specializes in the production of flat-rolled steel products. The company is recognized for its expertise in various core technology areas, including polymeric coating, electrolytic tinplating, and surface cleansing. Weirton Steel plays a significant role in the manufacturing of can body fabrication, sheet metal roofing, rigid packaging, and composite-coated steel. Its continuous strip coating processes further enhance the quality and durability of its steel offerings, catering to diverse industrial applications.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

68 Patents

#1 in Weirton, WV

#4 in West Virginia

#5,377 in US

#10,894 in the World

Weirton, WV, United States of America

Weirton Steel Corporation

Forward Citations = 678

41 inventors:

William T Saunders (32 out of 62 patents)

William H Dalrymple (9 out of 9 patents)

William T Saunders, Deceased (8 out of 8 patents)

4. James A Bray (7 out of 7 patents)

5. Kenneth R Olashuk (4 out of 5 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Weirton Steel Corporation. Retrieved from https://idiyas.com/company/weirton-steel

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

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