CPC Main Group Additional Only
F27M 2001/00 Composition, conformation or state of the charge
15 direct subcodes
Child Classifications
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- F27M 2001/01 Charges containing mainly non-ferrous metals
- F27M 2001/02 Charges containing ferrous elements
- F27M 2001/03 Charges containing minerals
- F27M 2001/04 Carbon-containing material
- F27M 2001/05 Waste materials, refuse
- F27M 2001/06 Plastics
- F27M 2001/07 Glass
- F27M 2001/08 Food
- F27M 2001/10 Scrap material used as charge
- F27M 2001/15 characterised by the form of the articles
- F27M 2001/16 Particulate material, e.g. comminuted scrap
- F27M 2001/17 in the form of a blanket, e.g. mineral wool
- F27M 2001/18 in the form of pellets
- F27M 2001/21 Briquettes
- F27M 2001/22 Ingots
Top Applicants
Top 10 applicants by patent filingsfor class F27, 2013–2023, worldwide · Source: EPO PATSTAT
- POSCO (POHANG IRON AND STEEL COMPANY) KR 930
- JFE STEEL JP 771
- PAUL WURTH LU 518
- OUTOTEC (FINLAND) FI 436
- THYSSEN KRUPP DE 422
- REFRACTORY INTELLECTUAL PROPERTY & COMPANY AT 370
- THYSSENKRUPP INDUSTRIAL SOLUTIONS DE 341
- JFE STEEL 323
- PRIMETALS TECHNOLOGIES AUSTRIA AT 310
- ZHONGYE CHANGTIAN INTERNATIONAL ENGINEERING COMPANY 299