IPC Main Group
F27D 25/00 Devices for removing incrustations
Introduced: January 2010
Classification Context
- Section:
- MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- Class:
- FURNACES; KILNS, OVENS OR RETORTS
- Subclass:
- DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
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