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Sault Ste. Marie, Canada

The Algoma Steel Corporation, Limited

USPTO Granted Patents = 14

Trademarks = 9

Forward Citations = 77

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24 inventors (with patents filed for the assignee):

Robert J Ackert (3 out of 3 patents)

Stephen Yue (2 out of 6 patents)

Murray A Nott (2 out of 2 patents)

4. John J Jonas (2 out of 5 patents)

5. Patrick J Hunt (2 out of 2 patents)

6. George E Ruddle (2 out of 2 patents)

7. Peter A Crozier (2 out of 2 patents)

8. Robert W Witty (2 out of 2 patents)

9. Louis E Franceschina (2 out of 3 patents)

10. Fred Haromy (2 out of 2 patents)

11. Frederick William Kruppert (2 out of 2 patents)

12. Barton A Thomson (1 out of 1 patent)

13. James W Johnston (1 out of 1 patent)

14. Kenneth Overman (1 out of 1 patent)

15. Lakshman N Pussegoda (1 out of 1 patent)

14 patents: Sort by Forward Citations

1. 11732322 - Cold rolled steel sheet (2023-08-22),

2. 7288158 - Manufacturing process for producing high strength steel product with improved formability (2007-10-30),

3. 5226978 - Steel tube alloy (1993-07-13),

4. 5186769 - Seamless steel tube manufacture (1993-02-16),

5. 5000798 - Method for shape control of rail during accelerated cooling (1991-03-19),

6. 4895605 - Method for the manufacture of hardened railroad rails (1990-01-23),

7. 4803037 - Pipe quenching apparatus (1989-02-07),

8. 4611789 - Apparatus for the production of improved railway rails by accelerated (1986-09-16),

9. 4486248 - Method for the production of improved railway rails by accelerated (1984-12-04),

10. 4279408 - Apparatus for changing tuyeres on a blast furnace (1981-07-21),

11. 4130924 - Removal and/or installation of top section of steelmaking vessel (1978-12-26),

12. 3997375 - Steel hardening method (1976-12-13),

13. 3997375 - Steel hardening method (1976-12-13),

14. 3955967 - Treatment of steel (1976-05-11),

Algoma Steel Inc. is a fully integrated steel producer based in Sault Ste. Marie, Ontario, Canada. The company produces hot and cold rolled steel products, including sheet and plate, for customers in various industries such as automotive, construction and manufacturing. With a focus on sustainability and innovation, Algoma Steel continues to be a leading supplier of quality steel products in North America.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

14 Patents

#1 in Sault Ste. Marie

#1,015 in Canada

#40,906 in the World

Sault Ste. Marie, Canada

The Algoma Steel Corporation, Limited

Forward Citations = 77

24 inventors:

Robert J Ackert (3 out of 3 patents)

Stephen Yue (2 out of 6 patents)

Murray A Nott (2 out of 2 patents)

4. John J Jonas (2 out of 5 patents)

5. Patrick J Hunt (2 out of 2 patents)

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