Jean-Christophe Hell — 7 Patents at Arcelormittal

Jean-Christophe Hell has been granted 7 US patents while listed as an inventor at Arcelormittal. The first was granted in 2019 and the most recent in November 2025. Jean-Christophe Hell ranks #680,018 of 4,157,543 US inventors in our database (top 16.4%). Patent records list Jean-Christophe Hell in Metz, FR.

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
12480173	Cold rolled annealed steel sheet with high hole expansion ratio and manufacturing process thereof	—	2025-11-25
12442055	Method for producing a coated steel sheet having improved strength, ductility and formability	Jean-Philippe MASSE	2025-10-14
12188102	Method for producing a TWIP steel sheet having an austenitic microstructure	Nicolas Charbonnier, Thierry Iung, Blandine REMY	2025-01-07
11987857	Cold rolled and annealed steel sheet, method of production thereof and use of such steel to produce vehicle parts	Irène DE DIEGO CALDERON	2024-05-21	$116,856,000
10995386	Double annealed steel sheet having high mechanical strength and ductility characteristics, method of manufacture and use of such sheets	Artem Arlazarov, Frédéric KEGEL	2021-05-04	$93,818,000
10472692	Method for manufacturing a high strength steel sheet having improved formability and ductility and sheet obtained	Gunhild Föjer, Michel SOLER	2019-11-12	$145,272,000
10308995	Steel sheet having very high mechanical properties of strength and ductility	Sebastien Allain	2019-06-04	$108,059,000

Jean-Christophe Hell — 7 Patents

Issued Patents All Time

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