(19)
(11) EP 2 521 798 B8

(12) CORRECTED EUROPEAN PATENT SPECIFICATION
Note: Bibliography reflects the latest situation

(15) Correction information:
Corrected version no 1 (W1 B1)

(48) Corrigendum issued on:
25.02.2015 Bulletin 2015/09

(45) Mention of the grant of the patent:
26.11.2014 Bulletin 2014/48

(21) Application number: 10740026.9

(22) Date of filing: 02.07.2010
(51) International Patent Classification (IPC): 
C21D 1/04(2006.01)
C21D 9/08(2006.01)
F28F 1/10(2006.01)
F28F 1/16(2006.01)
F28F 13/18(2006.01)
 C21D 8/10(2006.01)
B23K 26/00(2014.01)
F28F 1/12(2006.01)
F28F 1/26(2006.01)
(86) International application number:
PCT/PL2010/000054
(87) International publication number:
WO 2011/008114 (20.01.2011 Gazette 2011/03)

(54)

A METHOD OF INCREASING HEAT EXCHANGE SURFACES OF ELEMENTS MADE OF METAL OR METAL ALLOYS

VERFAHREN ZUR VERGRÖSSERUNG VON WÄRMETAUSCHERFLÄCHEN VON METALL- UND METALLEGIERUNGELEMENTEN

PROCÉDÉ D'AUGMENTATION DES SURFACES D'ÉCHANGE DE CHALEUR D'ÉLÉMENTS MÉTALLIQUES OU EN ALLIAGES MÉTALLIQUES

(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 SE SI SK SM TR

(30) Priority: 15.07.2009 PL 38855009
04.12.2009 PL 38976909

(43) Date of publication of application:
14.11.2012 Bulletin 2012/46

(73) Proprietor: Politechnika Swietokrzyska
25-314 Kielce (PL)

(72) Inventor:
  • GRABAS, Boguslaw
    31-964 Kraków (PL)

(74) Representative: Garstka, Antoni Czeslaw 
Tumlin-Wegle 87
26-050 Zagnansk
26-050 Zagnansk (PL)


(56) References cited: : 
EP-A1- 0 674 965
PL-B1- 201 106
US-A- 4 232 728
US-A1- 2008 308 750
 JP-A- 61 194 166
US-A- 3 622 403
US-A- 4 806 731
   
       
    Note: Within nine months from the publication of the mention of the grant of the European patent, any person may give notice to the European Patent Office of opposition to the European patent granted. Notice of opposition shall be filed in a written reasoned statement. It shall not be deemed to have been filed until the opposition fee has been paid. (Art. 99(1) European Patent Convention).