(19)
(11) EP 4 824 489 A1

(12)

(43) Date of publication:
21.10.2026 Bulletin 2026/43

(21) Application number: 24837223.7

(22) Date of filing: 03.12.2024
(51) International Patent Classification (IPC): 
F27B 5/04(2006.01)
F27D 11/02(2006.01)
F27D 99/00(2010.01)
C21B 13/00(2006.01)
C21B 13/12(2006.01)
 F27B 5/16(2006.01)
F27D 19/00(2006.01)
F27B 11/00(2006.01)
C21B 13/02(2006.01)
(52) Cooperative Patent Classification (CPC):
C21B 13/02; C21B 13/0073; C21B 13/12; C21B 2100/44; C21B 2100/64; F27B 5/04; F27B 2005/161; F27B 2005/162; F27D 99/0073; F27D 19/00; F27D 11/02; F27B 5/16; F27B 11/00; Y02P 10/134
(86) International application number:
PCT/PL2024/000058
(87) International publication number:
WO 2025/127947 (19.06.2025 Gazette 2025/25)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA
Designated Validation States:
GE KH MA MD TN

(30) Priority: 12.12.2023 PL 44707323

(71) Applicant: Seco/Warwick S.A.
66-200 Swiebodzin (PL)

(72) Inventors:
  • WIECHCZYNSKI, Artur
    66-200 Swiebodzin (PL)
  • PRZYGONSKI, Tomasz
    66-200 Swiebodzin (PL)
  • ZIELINSKI, Maciej
    62-051 Wiry (PL)
  • PAZDERSKI, Jonasz
    61-245 Poznan (PL)
  • GALEWSKI, Piotr
    62-025 Kostrzyn (PL)
  • JEREMINOWICZ, Piotr
    66-200 Swiebodzin (PL)
  • PIECHOWICZ, Lukasz
    66-200 Swiebodzin (PL)
  • MILISZEWSKI, Andrzej
    66-200 Swiebodzin (PL)
  • SZYC, Marcin
    66-110 Babimost (PL)

(74) Representative: Gornicki, Pawel 
Biuro Ochrony Wlasnosci Intelektualnej Patent-Service ul. Rybojadzka 16
60-443 Poznan
60-443 Poznan (PL)

   


(54) DEVICE FOR THE THERMAL-GAS REDUCTION OF METAL OXIDES UTILIZING HYDROGEN AS THE PROCESS GAS