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Bethlehem, PA, United States of America

Bethlehem Steel Corporation

USPTO Granted Patents = 370

% Expired Patents = 1.1

CIPO Patents = 3

Trademarks = 4

Forward Citations = 3,974

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391 inventors (with patents filed for the assignee):

John D Lynn (14 out of 20 patents)

Herbert E Townsend (12 out of 13 patents)

Daniel Kwasnoski (9 out of 10 patents)

4. Stewart T Herman (8 out of 9 patents)

5. Colvin W Smith (8 out of 8 patents)

6. John C Clymer (8 out of 8 patents)

7. Philip D Stelts (7 out of 8 patents)

8. Alvin M Nestler (6 out of 7 patents)

9. Richard L Bodnar (6 out of 9 patents)

10. Manfred Schmidt (6 out of 6 patents)

11. Richard N Steinbicker (6 out of 6 patents)

12. John P Hoffman (6 out of 6 patents)

13. Herbert L Gilles (6 out of 6 patents)

14. Tom L Galanis (6 out of 6 patents)

15. Thomas J Russo (5 out of 10 patents)

Core Competencies:

Steelmaking

Coating Composition

Slag Conditioning

Basic Oxygen Furnace

Molten Steel Treatment

Alloy Steel Production

Corrosion Resistance

Thermal Deposition

Wastewater Treatment

High Strength Steel

Galvanneal Induction

Dross Free Burning

370 patents: Sort by Forward Citations

1. 6543151 - Apparatus for determining diameter of an object and method thereof (2003-04-08),

2. 6528790 - Method and apparatus for detecting water on a surface of an object (2003-03-04),

3. 6514312 - Steelmaking slag conditioner and method (2003-02-04),

4. 6505492 - Method and apparatus for forming deep-drawn articles (2003-01-14),

5. 6500224 - Method for operating a steelmaking furnace during a steelmaking process (2002-12-31),

6. 6491761 - Process for removing stains from steel sheet in a continuous pickling line (2002-12-10),

7. 6468674 - Coating composition for steel—product, a coated steel product, and a steel product coating method (2002-10-22),

8. 6440582 - Coating composition for steel product, a coated steel product, and a steel product coating method (2002-08-27),

9. 6440355 - Apparatus for measuring bath level in a basic oxygen furnace to determine lance height adjustment (2002-08-27),

10. 6428851 - Method for continuous thermal deposition of a coating on a substrate (2002-08-06),

11. 6408667 - Four-high mill stand roll change device, a method of retrofit, and a roll change device therefrom (2002-06-25),

12. 6383250 - Steel making revert and process for preparing (2002-05-07),

13. 6270594 - Composition and method for producing an alloy steel and a product therefrom for structural applications (2001-08-07),

14. 6241805 - Method and system for improving the efficiency of a basic oxygen furnace (2001-06-05),

15. 6238493 - Method of making a weathering grade plate and product thereform (2001-05-29),

Company Overview

Bethlehem Steel Corporation, headquartered in Bethlehem, Pennsylvania, is a prominent player in the steel manufacturing industry. The company specializes in various aspects of steel production, including advanced steelmaking techniques, coating compositions, and slag conditioning. Its expertise extends to the operation of basic oxygen furnaces and the treatment of molten steel, focusing on the production of alloy steels with enhanced corrosion resistance. Bethlehem Steel is recognized for its commitment to innovation in thermal deposition processes, contributing significantly to the evolution of steel technology.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

370 Patents

#1 in

#1,241 in

#2,491 in the World

Bethlehem, PA, United States of America

Bethlehem Steel Corporation

Forward Citations = 3,974

391 inventors:

John D Lynn (14 out of 20 patents)

Herbert E Townsend (12 out of 13 patents)

Daniel Kwasnoski (9 out of 10 patents)

4. Stewart T Herman (8 out of 9 patents)

5. Colvin W Smith (8 out of 8 patents)

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