• All sections
• C - Chemistry; metallurgy
• C21D - Modifying the physical structure of ferrous metals; general devices for heat treatment of ferrous or non-ferrous metals or alloys; making metal malleable, e.g. by decarburisation or tempering
• C21D 8/12 - Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties

Patent holdings for IPC class C21D 8/12

Total number of patents in this class: 1733

10-year publication summary

Principal owners for this class