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Extract from the Register of European Patents

EP About this file: EP3782719

EP3782719 - METHOD FOR MANUFACTURING AN EXCHANGE ELEMENT OF AN EXCHANGER WITH DOUBLE GAS FLOW [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  25.10.2024
Database last updated on 11.04.2026
FormerThe patent has been granted
Status updated on  17.11.2023
FormerGrant of patent is intended
Status updated on  08.11.2023
FormerRequest for examination was made
Status updated on  13.09.2023
FormerGrant of patent is intended
Status updated on  29.05.2023
FormerRequest for examination was made
Status updated on  22.01.2021
Most recent event   Tooltip13.03.2026Lapse of the patent in a contracting state
New state(s): HU		published on 15.04.2026 [2026/16]
Applicant(s)For all designated states
Commissariat à l'Energie Atomique et aux Energies Alternatives
25 Rue Leblanc
Bat Le Ponant
75015 Paris / FR
[2024/44]
Former [2021/08]For all designated states
COMMISSARIAT À L'ÉNERGIE ATOMIQUE ET AUX ÉNERGIES ALTERNATIVES
25, Rue Leblanc
Bâtiment "Le Ponant D"
75015 Paris / FR
Inventor(s)01 / MARIOTTO, Mathieu
c/o CEA GRENOBLE
17 rue des Martyrs
38054 Grenoble Cedex 09 / FR
02 / BIGARRE, Janick
c/o CEA GRENOBLE
17 rue des Martyrs
38054 Grenoble Cedex 09 / FR
 [2021/08]
Representative(s)Brevalex
Tour Trinity
1 B Place de la Défense
92400 Courbevoie / FR
[2023/51]
Former [2021/08]Brevalex
95, rue d'Amsterdam
75378 Paris Cedex 8 / FR
Application number, filing date20187828.727.07.2020
[2021/08]
Priority number, dateFR2019000882201.08.2019         Original published format: FR 1908822
[2021/08]
Filing languageFR
Procedural languageFR
PublicationType: A2 Application without search report 
No.:EP3782719
Date:24.02.2021
Language:FR
[2021/08]
Type: A3 Search report 
No.:EP3782719
Date:19.05.2021
Language:FR
[2021/20]
Type: B1 Patent specification 
No.:EP3782719
Date:20.12.2023
Language:FR
[2023/51]
Search report(s)(Supplementary) European search report - dispatched on:EP19.04.2021
ClassificationIPC:B01D63/08, B01D63/14, B01D67/00, F28D9/00, F28D21/00, F28F13/00, F28F3/00, F28F21/06
[2021/08]
CPC:
B01D63/081 (EP); B01D63/082 (EP,US); B01D63/14 (EP);
F28D21/0014 (EP); F28D21/0015 (EP); F28D9/0037 (EP);
F28F13/003 (EP); F28F21/06 (EP); B01D2315/22 (EP);
B01D2323/42 (EP); B01D2323/52 (EP); B01D63/085 (EP);
B01D67/006 (EP); F28F3/00 (EP); Y02B30/56 (EP) (-)
Designated contracting statesAL,   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 [2021/08]
TitleGerman:HERSTELLUNGSVERFAHREN EINES AUSTAUSCHELEMENTS EINES DOPPELGASSTROMTAUSCHERS[2021/08]
English:METHOD FOR MANUFACTURING AN EXCHANGE ELEMENT OF AN EXCHANGER WITH DOUBLE GAS FLOW[2021/08]
French:PROCÉDÉ DE FABRICATION D'UN ÉLÉMENT D'ÉCHANGE D'UN ÉCHANGEUR À DOUBLE FLUX DE GAZ[2021/08]
Examination procedure27.07.2020Examination requested  [2021/08]
12.08.2021Amendment by applicant (claims and/or description)
30.05.2023Communication of intention to grant the patent
13.09.2023Disapproval of the communication of intention to grant the patent by the applicant or resumption of examination proceedings by the EPO
09.11.2023Communication of intention to grant the patent
09.11.2023Fee for grant paid
09.11.2023Fee for publishing/printing paid
09.11.2023Receipt of the translation of the claim(s)
Opposition(s)23.09.2024No opposition filed within time limit [2024/48]
Fees paidRenewal fee
21.07.2022Renewal fee patent year 03
21.07.2023Renewal fee patent year 04
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Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court.
Lapses during opposition  TooltipCY27.07.2020
HU27.07.2020
AT20.12.2023
CZ20.12.2023
DK20.12.2023
EE20.12.2023
ES20.12.2023
FI20.12.2023
HR20.12.2023
IT20.12.2023
LT20.12.2023
LV20.12.2023
MC20.12.2023
NL20.12.2023
PL20.12.2023
RO20.12.2023
RS20.12.2023
SI20.12.2023
SK20.12.2023
SM20.12.2023
BG20.03.2024
NO20.03.2024
GR21.03.2024
IS20.04.2024
PT22.04.2024
IE27.07.2024
LU27.07.2024
BE31.07.2024
CH31.07.2024
[2026/16]
Former [2026/10]CY27.07.2020
AT20.12.2023
CZ20.12.2023
DK20.12.2023
EE20.12.2023
ES20.12.2023
FI20.12.2023
HR20.12.2023
IT20.12.2023
LT20.12.2023
LV20.12.2023
MC20.12.2023
NL20.12.2023
PL20.12.2023
RO20.12.2023
RS20.12.2023
SI20.12.2023
SK20.12.2023
SM20.12.2023
BG20.03.2024
NO20.03.2024
GR21.03.2024
IS20.04.2024
PT22.04.2024
IE27.07.2024
LU27.07.2024
BE31.07.2024
CH31.07.2024
Former [2025/36]AT20.12.2023
CZ20.12.2023
DK20.12.2023
EE20.12.2023
ES20.12.2023
FI20.12.2023
HR20.12.2023
IT20.12.2023
LT20.12.2023
LV20.12.2023
MC20.12.2023
NL20.12.2023
PL20.12.2023
RO20.12.2023
RS20.12.2023
SI20.12.2023
SK20.12.2023
SM20.12.2023
BG20.03.2024
NO20.03.2024
GR21.03.2024
IS20.04.2024
PT22.04.2024
IE27.07.2024
LU27.07.2024
BE31.07.2024
CH31.07.2024
Former [2025/22]AT20.12.2023
CZ20.12.2023
DK20.12.2023
EE20.12.2023
ES20.12.2023
FI20.12.2023
HR20.12.2023
IT20.12.2023
LT20.12.2023
LV20.12.2023
MC20.12.2023
NL20.12.2023
PL20.12.2023
RO20.12.2023
RS20.12.2023
SI20.12.2023
SK20.12.2023
SM20.12.2023
BG20.03.2024
NO20.03.2024
GR21.03.2024
IS20.04.2024
PT22.04.2024
LU27.07.2024
BE31.07.2024
CH31.07.2024
Former [2025/17]AT20.12.2023
CZ20.12.2023
DK20.12.2023
EE20.12.2023
ES20.12.2023
FI20.12.2023
HR20.12.2023
IT20.12.2023
LT20.12.2023
LV20.12.2023
MC20.12.2023
NL20.12.2023
PL20.12.2023
RO20.12.2023
RS20.12.2023
SI20.12.2023
SK20.12.2023
SM20.12.2023
BG20.03.2024
NO20.03.2024
GR21.03.2024
IS20.04.2024
PT22.04.2024
LU27.07.2024
Former [2025/11]AT20.12.2023
CZ20.12.2023
DK20.12.2023
EE20.12.2023
ES20.12.2023
FI20.12.2023
HR20.12.2023
IT20.12.2023
LT20.12.2023
LV20.12.2023
MC20.12.2023
NL20.12.2023
PL20.12.2023
RO20.12.2023
RS20.12.2023
SI20.12.2023
SK20.12.2023
SM20.12.2023
BG20.03.2024
NO20.03.2024
GR21.03.2024
IS20.04.2024
PT22.04.2024
Former [2024/49]AT20.12.2023
CZ20.12.2023
DK20.12.2023
EE20.12.2023
ES20.12.2023
FI20.12.2023
HR20.12.2023
IT20.12.2023
LT20.12.2023
LV20.12.2023
NL20.12.2023
PL20.12.2023
RO20.12.2023
RS20.12.2023
SI20.12.2023
SK20.12.2023
SM20.12.2023
BG20.03.2024
NO20.03.2024
GR21.03.2024
IS20.04.2024
PT22.04.2024
Former [2024/47]AT20.12.2023
CZ20.12.2023
DK20.12.2023
EE20.12.2023
ES20.12.2023
FI20.12.2023
HR20.12.2023
IT20.12.2023
LT20.12.2023
LV20.12.2023
NL20.12.2023
PL20.12.2023
RO20.12.2023
RS20.12.2023
SK20.12.2023
SM20.12.2023
BG20.03.2024
NO20.03.2024
GR21.03.2024
IS20.04.2024
PT22.04.2024
Former [2024/36]AT20.12.2023
CZ20.12.2023
EE20.12.2023
ES20.12.2023
FI20.12.2023
HR20.12.2023
IT20.12.2023
LT20.12.2023
LV20.12.2023
NL20.12.2023
PL20.12.2023
RO20.12.2023
RS20.12.2023
SK20.12.2023
SM20.12.2023
BG20.03.2024
NO20.03.2024
GR21.03.2024
IS20.04.2024
PT22.04.2024
Former [2024/35]AT20.12.2023
CZ20.12.2023
EE20.12.2023
ES20.12.2023
FI20.12.2023
HR20.12.2023
LT20.12.2023
LV20.12.2023
NL20.12.2023
RO20.12.2023
RS20.12.2023
SM20.12.2023
BG20.03.2024
NO20.03.2024
GR21.03.2024
IS20.04.2024
Former [2024/34]EE20.12.2023
ES20.12.2023
FI20.12.2023
HR20.12.2023
LT20.12.2023
LV20.12.2023
NL20.12.2023
RS20.12.2023
SM20.12.2023
BG20.03.2024
NO20.03.2024
GR21.03.2024
IS20.04.2024
Former [2024/33]ES20.12.2023
FI20.12.2023
HR20.12.2023
LT20.12.2023
LV20.12.2023
NL20.12.2023
RS20.12.2023
SM20.12.2023
BG20.03.2024
NO20.03.2024
GR21.03.2024
IS20.04.2024
Former [2024/32]ES20.12.2023
FI20.12.2023
HR20.12.2023
LT20.12.2023
LV20.12.2023
NL20.12.2023
RS20.12.2023
BG20.03.2024
NO20.03.2024
GR21.03.2024
IS20.04.2024
Former [2024/26]ES20.12.2023
FI20.12.2023
HR20.12.2023
LT20.12.2023
LV20.12.2023
NL20.12.2023
RS20.12.2023
BG20.03.2024
NO20.03.2024
GR21.03.2024
Former [2024/21]FI20.12.2023
LT20.12.2023
BG20.03.2024
GR21.03.2024
Former [2024/20]GR21.03.2024
Documents cited:Search[I] US2018292146  (FURRER DAVID ULRICH et al.)
 [I] EP3296678  (COMMISSARIAT ENERGIE ATOMIQUE et al.) [I] 1,2,7-10 * paragraphs [0042] , [0029] - [0036]; figures 2,3,6 *
 [A] US2016121005  (NAKAHARA TAKAHIRO et al.)
 [A] JPH0418923  (DAICEL CHEM et al.) [A] 1,2,7-10 * the whole document *
 [I]   SCHEITHAUER UWE ET AL: "Additive Manufacturing of Ceramic Heat Exchanger: Opportunities and Limits of the Lithography-Based Ceramic Manufacturing (LCM)", JOURNAL OF MATERIALS ENGINEERING AND PERFORMANCE, ASM INTERNATIONAL, MATERIALS PARK, OH, US, vol. 27, no. 1, 1 August 2017 (2017-08-01), pages 14 - 20, XP036409288, ISSN: 1059-9495, [retrieved on 20170801], DOI: 10.1007/S11665-017-2843-Z

DOI:   http://dx.doi.org/10.1007/s11665-017-2843-z
by applicantEP3296678
The EPO accepts no responsibility for the accuracy of data originating from other authorities; in particular, it does not guarantee that it is complete, up to date or fit for specific purposes.