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Hamilton, Canada

Dofasco Inc.

USPTO Granted Patents = 28

% Expired Patents = 28.6

CIPO Patents = 2

Trademarks = 5

Forward Citations = 358

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50 inventors (with patents filed for the assignee):

David D'Arcy Clifford (7 out of 7 patents)

Vit Vaculik (3 out of 3 patents)

Michael S Dudzic (3 out of 3 patents)

4. Yale Zhang (2 out of 2 patents)

5. Nicholas Schillaci (2 out of 2 patents)

6. Henry Martin (2 out of 2 patents)

7. Timothy Lim (1 out of 3 patents)

8. Ivan P Miletic (1 out of 2 patents)

9. Robert Eric Mueller (1 out of 4 patents)

10. William Hill (1 out of 2 patents)

11. Aly Shivji (1 out of 3 patents)

12. Mohsin Choudhury (1 out of 1 patent)

13. William Lindsay (1 out of 1 patent)

14. Kevin G Hunt (1 out of 1 patent)

15. James F Stulen (1 out of 1 patent)

Core Competencies:

Composite Laminate

Vibration Damping Roll

Continuous Casting

Vehicle Safety Prop

Structural Panel

Railway Trucks

Maintenance Prediction

Desulphurization Reagent

Hot Rolled Steel

Monitoring Systems

Slag Coating Process

Fluid Suspension Systems

28 patents: Sort by Forward Citations

1. 7370803 - Remote crane bar code system (2008-05-13),

2. 7206719 - Diagnostic method for predicting maintenance requirements in rotating equipment (2007-04-17),

3. 7204906 - Method for laminating and forming a composite laminate in a single operation (2007-04-17),

4. 7138085 - Tuyere cooling system (2006-11-21),

5. 7039552 - Method and online system for monitoring continuous caster start-up operation and predicting start cast breakouts (2006-05-02),

6. 7005016 - Hot rolled steel having improved formability (2006-02-28),

7. 6949295 - Structural panel and method of manufacture (2005-09-27),

8. 6892843 - Vehicle hood safety prop (2005-05-17),

9. 6885907 - Real-time system and method of monitoring transient operations in continuous casting process for breakout prevention (2005-04-26),

10. 6866329 - Cargo vehicle wall (2005-03-15),

11. 6773383 - Vibration damping roll (2004-08-10),

12. 6696164 - Structural panel and method of manufacture (2004-02-24),

13. 6625515 - Roll defect management process (2003-09-23),

14. 6609583 - Vehicle hood safety prop (2003-08-26),

15. 6607577 - Desulphurization reagent control method and system (2003-08-19),

Dofasco Inc. is a prominent steel manufacturer based in Hamilton, Canada, specializing in the production of high-quality flat-rolled steel products. The company serves various industries, including automotive, construction, and energy, providing innovative solutions tailored to meet the evolving needs of its customers. Dofasco is committed to sustainability and employs advanced technologies in its manufacturing processes, focusing on reducing environmental impact while maintaining operational efficiency and product excellence.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

28 Patents

#5 in Hamilton

#504 in Canada

#23,262 in the World

Hamilton, Canada

Dofasco Inc.

Forward Citations = 358

50 inventors:

David D'Arcy Clifford (7 out of 7 patents)

Vit Vaculik (3 out of 3 patents)

Michael S Dudzic (3 out of 3 patents)

4. Yale Zhang (2 out of 2 patents)

5. Nicholas Schillaci (2 out of 2 patents)

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