(19)
(11) EP 4 259 997 A1

(12)

(43) Date of publication:
18.10.2023 Bulletin 2023/42

(21) Application number: 21835664.0

(22) Date of filing: 07.12.2021
(51) International Patent Classification (IPC): 
F41H 3/02(2006.01)
(52) Cooperative Patent Classification (CPC):
F41H 3/02
(86) International application number:
PCT/EP2021/084634
(87) International publication number:
WO 2022/122753 (16.06.2022 Gazette 2022/24)
(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 MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME
Designated Validation States:
KH MA MD TN

(30) Priority: 10.12.2020 EP 20213140

(71) Applicant: Centre de Recherches Métallurgiques ASBL - Centrum voor Research in de Metallurgie VZW
1000 Bruxelles (BE)

(72) Inventors:
  • GILON, Louis
    4800 VERVIERS (BE)
  • GUAINO, Philippe
    4000 LIEGE (BE)
  • FORTERRE, Jules
    4000 LIEGE (BE)

(74) Representative: AWA Benelux 
Parc d'affaires Zénobe Gramme - Bât. K Square des Conduites d'Eau 1-2
4020 Liège
4020 Liège (BE)

   


(54) MULTILAYER ULTRATHIN AND FLEXIBLE UNIT HEATER CELLS FOR INFRARED STEALTH