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Hamilton, Canada

The Steel Company of Canada, Limited

USPTO Granted Patents = 17

Forward Citations = 255

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19 inventors (with patents filed for the assignee):

Otto E Prenn (3 out of 4 patents)

William Smith (3 out of 3 patents)

Frank Markus (2 out of 2 patents)

4. Robert F Hunter (2 out of 3 patents)

5. John H Kelly (1 out of 7 patents)

6. Harold Z Cipywnyk (1 out of 1 patent)

7. Allan B Dove (1 out of 1 patent)

8. Allen C Hunsberger (1 out of 1 patent)

9. George K Masuda (1 out of 1 patent)

10. Paul H Hookings (1 out of 1 patent)

11. Harry C Wade (1 out of 1 patent)

12. Phillip Deijs (1 out of 1 patent)

13. Stephen R Koprich (1 out of 1 patent)

14. Daniel S Sakai (1 out of 1 patent)

15. Richard G Baird-Kerr (1 out of 1 patent)

17 patents: Sort by Forward Citations

1. 4306438 - Metal strip downcoilers-II (1981-12-22),

2. 4297865 - Metal strip downcoilers (1981-11-03),

3. 4168392 - Composite electrode with non-consumable upper section (1979-09-18),

4. 4150742 - Imbricating a group of flat bars (1979-04-24),

5. 4122823 - Tubeless heat recuperator (1978-10-31),

6. 4121042 - Composite electrode with non-consumable upper section (1978-10-17),

7. 4101345 - Galvanizing steel strip in selected areas thereof (1978-07-18),

8. 4085609 - Dropweight sample tester (1978-04-25),

9. 4050514 - Paraffin sucker rod scraper and rod centralizer (1977-09-27),

10. 4047419 - Method and apparatus for expanding spiralweld pipe (1977-09-13),

11. 4019359 - Method of hot rolling metal strip (1977-04-26),

12. 4018598 - Method for liquid mixing (1977-04-19),

13. 4005830 - Mandrelless downcoiler for coil box (1977-02-01),

14. 3979946 - Ultrasonic plate inspection system (1976-09-14),

15. 3977142 - Floor nail (1976-08-31),

The Steel Company of Canada, Limited is a leading manufacturer of high-quality steel products in Canada. With a history dating back over a century, we have established ourselves as a trusted provider of steel products for various industries including construction, automotive, and manufacturing. Our commitment to quality and innovation sets us apart in the industry, and we strive to exceed customer expectations with every product we deliver.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

17 Patents

#6 in Hamilton

#840 in Canada

#34,831 in the World

Hamilton, Canada

The Steel Company of Canada, Limited

Forward Citations = 255

19 inventors:

Otto E Prenn (3 out of 4 patents)

William Smith (3 out of 3 patents)

Frank Markus (2 out of 2 patents)

4. Robert F Hunter (2 out of 3 patents)

5. John H Kelly (1 out of 7 patents)

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