Skip to content
Search Classifications
Search for IPC and CPC classification codes or keywords
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

Navigate with arrow keys, Enter to open

  • 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

  1. POSCO (POHANG IRON AND STEEL COMPANY) KR 930
  2. JFE STEEL JP 771
  3. PAUL WURTH LU 518
  4. OUTOTEC (FINLAND) FI 436
  5. THYSSEN KRUPP DE 422
  6. REFRACTORY INTELLECTUAL PROPERTY & COMPANY AT 370
  7. THYSSENKRUPP INDUSTRIAL SOLUTIONS DE 341
  8. JFE STEEL 323
  9. PRIMETALS TECHNOLOGIES AUSTRIA AT 310
  10. ZHONGYE CHANGTIAN INTERNATIONAL ENGINEERING COMPANY 299