Company Filing History:

10 out of 399

Arcelormittal

Arcelormittal Atlantique Et Lorraine

patents

where one patent can have more than one assignee

Years Active: 1998-2025

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19 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12454737 - Method of forming a hot stamped coated steel product (2025-10-28),

2. 12012640 - Method of forming a hot stamped coated steel product (2024-06-18),

3. 11939643 - Coated steel strips, coated stamped products and methods (2024-03-26),

4. 11326227 - Coated steel strips, coated stamped products and methods (2022-05-10),

5. 11041226 - Coated steel strips, coated stamped products and methods (2021-06-22),

6. 10961602 - Coated steel strips, coated stamped products and methods (2021-03-30),

7. 10597747 - Coated steel strips, coated stamped products and methods (2020-03-24),

8. 10590507 - Coated steel strips, coated stamped products and methods (2020-03-17),

9. 10577674 - Coated steel strips, coated stamped products and methods (2020-03-03),

10. 10550447 - Coated steel strips, coated stamped products and methods (2020-02-04),

11. 9708683 - Coated steel strips, methods of making the same, methods of using the same, stamping blanks prepared from the same, stamped products prepared from the same, and articles of manufacture which contain such a stamped product (2017-07-18),

12. RE44940 - Coated hot- and cold-rolled steel sheet comprising a very high resistance after thermal treatment (2014-06-09),

13. 8733142 - Process for manufacturing stamped products, and stamped products prepared from the same (2014-05-27),

14. 8440323 - Coated steel stamped product (2013-05-14),

15. RE44153 - Coated hot- and cold-rolled steel sheet comprising a very high resistance after thermal treatment (2013-04-15),

Title: Innovations of Dominique Spehner in Coated Steel Technologies

Introduction

Dominique Spehner, an influential inventor based in Balan, France, has made notable contributions to the field of coated steel products. With a remarkable portfolio of 14 patents, Spehner has focused on enhancing the manufacturing processes and properties of hot stamped coated steel, which have significant implications for various industries, particularly automotive.

Latest Patents

Among his latest innovations, Spehner developed a patented method for forming a hot stamped coated steel product. This method involves using a precoated steel strip, which features aluminum or aluminum alloy coatings on at least one side. The process includes heating the precoated steel strip in a furnace at a specific temperature rise, followed by hot stamping to deform the strip into a product that consists of multiple layers: an interdiffusion layer, an intermediate layer, an intermetallic layer, and a superficial layer. Additionally, he has patented processes for coated steel strips and products that ensure the quality and durability of stamped products, emphasizing the significance of pre-coating thickness.

Career Highlights

Dominique Spehner has built a reputable career in the steel industry, prominently associated with ArcelorMittal and ArcelorMittal France. His work has centered around innovative methods for improving the properties of coated steel, which is crucial for the efficiency and safety of modern manufacturing processes. The practical applications of his inventions underscore the essential role innovative technologies play in evolving manufacturing practices.

Collaborations

Throughout his career, Spehner has had the opportunity to collaborate with skilled professionals in the field, including coworkers Pascal Drillet and Ronald Kefferstein. These collaborations have facilitated the exchange of ideas and expertise, further advancing the development and refinement of coated steel technologies.

Conclusion

Dominique Spehner’s contributions to the field of coated steel innovations exemplify the impact of inventive processes on industry standards. With 14 patents to his name, his work not only enhances manufacturing techniques but also sets a benchmark for future research in coated materials, demonstrating the importance of continual innovation in metallurgy and structural integrity.

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