CPC Main Group
F27B 14/00 Crucible or pot furnaces
6 direct subcodes
Child Classifications
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- F27B 14/02 with tilting or rocking arrangements (F27B14/04 takes precedence)
- F27B 14/04 adapted for treating the charge in vacuum or special atmosphere
- F27B 14/06 heated electrically, e.g. induction crucible furnaces with or without any other source of heat (F27B14/04 takes precedence)
- F27B 14/08 Details specially adapted for crucible or pot furnaces
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