CPC Subgroup
F27B 1/10 Details, accessories or equipment specially adapted for furnaces of these types
Full Title
Shaft or like vertical or substantially vertical furnaces > Details, accessories or equipment specially adapted for furnaces of these types
9 direct subcodes
Child Classifications
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- F27B 1/12 Shells or casings; Supports therefor
- F27B 1/16 Arrangements of tuyeres
- F27B 1/18 Arrangements of dust collectors
- F27B 1/20 Arrangements of devices for charging
- F27B 1/21 Arrangements of devices for discharging
- F27B 1/22 Arrangements of heat-exchange apparatus
- F27B 1/24 Cooling arrangements
- F27B 1/26 Arrangements of controlling devices
- F27B 1/28 Arrangements of monitoring devices, of indicators, of alarm devices
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