For the Inventor, By the Inventor

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Pittsburgh, PA, United States of America

Wean United, Inc.

USPTO Granted Patents = 59

Forward Citations = 373

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46 inventors (with patents filed for the assignee):

Joseph I Greenberger (9 out of 9 patents)

Vladimir B Ginzburg (4 out of 60 patents)

Harry Calhoon Ledebur (4 out of 4 patents)

4. Klaus Rehag (4 out of 9 patents)

5. Raymond F Boshold (4 out of 5 patents)

6. Robert L Kerr (3 out of 3 patents)

7. David W George (3 out of 3 patents)

8. Oscar Lewis Yeager (2 out of 2 patents)

9. Hans Meurer (2 out of 5 patents)

10. James F Deffenbaugh (2 out of 2 patents)

11. Francis J Kent (2 out of 2 patents)

12. Paul W Miller (2 out of 2 patents)

13. Heinrich Steinbrecher (2 out of 4 patents)

14. John H Miles (2 out of 2 patents)

15. Horst Stinnertz (1 out of 12 patents)

Core Competencies:

Particleboard Compression

Rolling Mill Technology

Electric Arc Furnace

Hot Strip Descaling

Laminates Formation

Continuous Hot Rolling

Extrusion Production

Flash Welding

Pipe Testing

Heat Shielding

Workpiece Transport

Torque Limiting Drive

59 patents: Sort by Forward Citations

1. 4724757 - Press control and arrangement for compressing particleboard (1988-02-16),

2. 4656905 - Shearing apparatus (1987-04-14),

3. 4656859 - Rolling mill stand employing variable crown rolls and associated method (1987-04-14),

4. 4644558 - Roof assembly for an electric arc furnace (1987-02-17),

5. 4638492 - Roof assembly for an electric arc furnace (1987-01-20),

6. 4617815 - Apparatus for descaling hot strip in a rolling mill (1986-10-21),

7. 4599883 - Tandem rolling mill (1986-07-15),

8. 4597521 - Rotary notcher for a joined metallic strip (1986-07-01),

9. 4595358 - Re-radiating heat shield (1986-06-17),

10. 4577482 - Method and apparatus for treating work rolls in a rolling mill (1986-03-25),

11. 4553245 - Roof assembly for an electric arc furnace (1985-11-12),

12. 4505771 - Arrangement, apparatus, and method to form laminates, and the like such (1985-03-19),

13. 4488710 - Apparatus for optimizing the cooling of a generally circular (1984-12-18),

14. 4425928 - Liquid discharge apparatus (1984-01-17),

15. 4411713 - Shell for a composite roll (1983-10-25),

Wean United, Inc. is a leading global provider of engineered equipment solutions for the metals industry. With over 100 years of experience, Wean United is known for its innovation and expertise in designing, manufacturing, and servicing rolling mills, mill automation, and processing equipment. As a trusted partner to steel producers worldwide, the company strives to deliver high-quality products and exceptional customer service for optimizing productivity and improving efficiency.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

59 Patents

#38 in Pittsburgh, PA

#225 in Pennsylvania

#5,862 in US

#11,820 in the World

Pittsburgh, PA, United States of America

Wean United, Inc.

Forward Citations = 373

46 inventors:

Joseph I Greenberger (9 out of 9 patents)

Vladimir B Ginzburg (4 out of 60 patents)

Harry Calhoon Ledebur (4 out of 4 patents)

4. Klaus Rehag (4 out of 9 patents)

5. Raymond F Boshold (4 out of 5 patents)

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