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DIFF Main Group
F27B 19/00

Combinations of different kinds of furnaces that are not all covered by any single one of main groups F27B1/00 - F27B17/00

Introduced: September 1968

Title

Titles differ between systems:

IPC: Combinations of different kinds of furnaces that are not all covered by any single one of main groups

CPC: Combinations of different kinds of furnaces that are not all covered by any single one of main groups F27B1/00 - F27B17/00

Full Title

Full titles differ between systems:

IPC:

Combinations of different kinds of furnaces that are not all covered by any single one of main groups

CPC:

Combinations of different kinds of furnaces that are not all covered by any single one of main groups F27B1/00 - F27B17/00

IPC and CPC are identically structured here. All 2 subcodes exist in both systems.

Child Classifications

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  • F27B 19/02 combined in one structure IPC+CPC Available in IPC and CPC
  • F27B 19/04 arranged for associated working IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class F27,2013–2023, worldwide · Source: EPO PATSTAT

  1. POSCO (POHANG IRON AND STEEL COMPANY) KR 885
  2. ZHONGYE CHANGTIAN INTERNATIONAL ENGINEERING COMPANY 670
  3. JFE STEEL 621
  4. JFE STEEL JP 492
  5. PAUL WURTH LU 418
  6. OUTOTEC (FINLAND) FI 346
  7. CHINA ENFI ENGINEERING CORPORATION 328
  8. THYSSEN KRUPP DE 310
  9. JINCHUAN GROUP 279
  10. NIPPON STEEL CORPORATION 262

Top Applicants (CPC)

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