IPC Subgroup
F27B 14/08 Details specially adapted for crucible, pot or tank furnaces
Introduced: September 1968
Last revised: January 2006
Full Title
Crucible or pot furnaces; Tank furnaces > Details specially adapted for crucible, pot or tank furnaces
Classification Context
- Section:
- MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- Class:
- FURNACES; KILNS, OVENS OR RETORTS
- Subclass:
- FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
5 direct subcodes
Child Classifications
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- F27B 14/1 Crucibles
- F27B 14/14 Arrangements of heating devices
- F27B 14/16 Arrangement of devices for charging
- F27B 14/18 Arrangement of devices for discharging
- F27B 14/2 Arrangement of controlling, monitoring, alarm or like devices
Top Applicants
Top 10 applicants by patent filingsfor class F27, 2013–2023, worldwide · Source: EPO PATSTAT
- POSCO (POHANG IRON AND STEEL COMPANY) KR 885
- ZHONGYE CHANGTIAN INTERNATIONAL ENGINEERING COMPANY 670
- JFE STEEL 621
- JFE STEEL JP 492
- PAUL WURTH LU 418
- OUTOTEC (FINLAND) FI 346
- CHINA ENFI ENGINEERING CORPORATION 328
- THYSSEN KRUPP DE 310
- JINCHUAN GROUP 279
- NIPPON STEEL CORPORATION 262