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Extract from the Register of European Patents

EP About this file: EP3728977

EP3728977 - HEAT EXCHANGER COMPRISING ELEMENTS AND PLATES WITH SURFACE TEXTURING [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  10.06.2022
Database last updated on 28.09.2024
FormerThe patent has been granted
Status updated on  02.07.2021
FormerGrant of patent is intended
Status updated on  18.04.2021
FormerRequest for examination was made
Status updated on  25.09.2020
FormerThe international publication has been made
Status updated on  29.06.2019
Formerunknown
Status updated on  25.01.2019
Most recent event   Tooltip13.09.2024Lapse of the patent in a contracting state
New state(s): MT		published on 16.10.2024 [2024/42]
Applicant(s)For all designated states
L'AIR LIQUIDE, SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEORGES CLAUDE
75, Quai d'Orsay
75007 Paris / FR
[2021/31]
Former [2020/44]For all designated states
L'AIR LIQUIDE, SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEORGES CLAUDE
75, Quai d'Orsay
75007 Paris / FR
Inventor(s)01 / CRAYSSAC, Frédéric
c/o L'Air Liquide, Societe Anonyme pour l'Etude
et l'Exploitation des Procedes Georges Claude
1, Chemin de la Porte des Loges
78350 Les Loges-en-Josas / FR
02 / WAGNER, Marc
c/o L'Air Liquide, Societe Anonyme pour l'Etude
et l'Exploitation des Procedes Georges Claude
1, Chemin de la Porte des Loges
78350 Les Loges-en-Josas / FR
03 / RICHET, Nicolas
c/o L'Air Liquide, Societe Anonyme pour l'Etude
et l'Exploitation des Procedes Georges Claude
1, Chemin de la Porte des Loges
78350 Les Loges-en-Josas / FR
 [2021/31]
Former [2020/44]01 / CRAYSSAC, Frédéric
c/o L'Air Liquide, Societe Anonyme pour l'Etude
et l'Exploitation des Procedes Georges Claude 1
Chemin de la Porte des Loges
78350 Les Loges-en-Josas / FR
02 / WAGNER, Marc
c/o L'Air Liquide, Societe Anonyme pour l'Etude
et l'Exploitation des Procedes Georges Claude 1
Chemin de la Porte des Loges
78350 Les Loges-en-Josas / FR
03 / RICHET, Nicolas
c/o L'Air Liquide, Societe Anonyme pour l'Etude
et l'Exploitation des Procedes Georges Claude 1
Chemin de la Porte des Loges
78350 Les Loges-en-Josas / FR
Representative(s)Air Liquide
L'Air Liquide S.A.
Direction de la Propriété Intellectuelle
75, Quai d'Orsay
75321 Paris Cedex 07 / FR
[2021/31]
Former [2020/44]Debecker, Isabelle Virginie
Air Liquide
Direction de la Propriete Intellectuelle
75, Quai d'Orsay
75321 Paris Cedex 07 / FR
Application number, filing date18833697.817.12.2018
[2020/44]
WO2018FR53333
Priority number, dateFR2017006241719.12.2017         Original published format: FR 1762417
[2020/44]
Filing languageFR
Procedural languageFR
PublicationType: A1 Application with search report
No.:WO2019122655
Date:27.06.2019
Language:FR
[2019/26]
Type: A1 Application with search report 
No.:EP3728977
Date:28.10.2020
Language:FR
The application published by WIPO in one of the EPO official languages on 27.06.2019 takes the place of the publication of the European patent application.
[2020/44]
Type: B1 Patent specification 
No.:EP3728977
Date:04.08.2021
Language:FR
[2021/31]
Search report(s)International search report - published on:EP27.06.2019
ClassificationIPC:F28D9/00, F28F3/02, F28F13/18, F28F13/00
[2020/44]
CPC:
F28D9/0062 (EP); F28F13/003 (EP); F28F13/185 (EP);
F28F13/187 (EP); F28F3/025 (EP); F28F3/027 (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 [2020/44]
Extension statesBANot yet paid
MENot yet paid
Validation statesKHNot yet paid
MANot yet paid
MDNot yet paid
TNNot yet paid
TitleGerman:WÄRMETAUSCHER MIT ELEMENTEN UND PLATTEN MIT OBERFLÄCHENSTRUKTURIERUNG[2020/44]
English:HEAT EXCHANGER COMPRISING ELEMENTS AND PLATES WITH SURFACE TEXTURING[2020/44]
French:ECHANGEUR DE CHALEUR AVEC ELEMENTS ET PLAQUES A TEXTURATION DE SURFACE[2020/44]
Entry into regional phase20.07.2020National basic fee paid 
20.07.2020Designation fee(s) paid 
20.07.2020Examination fee paid 
Examination procedure14.01.2020Amendment by applicant (claims and/or description)
20.07.2020Examination requested  [2020/44]
20.07.2020Date on which the examining division has become responsible
19.04.2021Communication of intention to grant the patent
24.06.2021Fee for grant paid
24.06.2021Fee for publishing/printing paid
24.06.2021Receipt of the translation of the claim(s)
Opposition(s)06.05.2022No opposition filed within time limit [2022/28]
Fees paidRenewal fee
24.12.2020Renewal fee patent year 03
Opt-out from the exclusive  Tooltip
competence of the Unified
Patent Court		 See the Register of the Unified Patent Court for opt-out data
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  TooltipHU17.12.2018
AL04.08.2021
AT04.08.2021
CY04.08.2021
CZ04.08.2021
DK04.08.2021
EE04.08.2021
ES04.08.2021
FI04.08.2021
HR04.08.2021
IT04.08.2021
LT04.08.2021
LV04.08.2021
MC04.08.2021
MK04.08.2021
MT04.08.2021
NL04.08.2021
PL04.08.2021
RO04.08.2021
RS04.08.2021
SE04.08.2021
SI04.08.2021
SK04.08.2021
SM04.08.2021
TR04.08.2021
BG04.11.2021
NO04.11.2021
GR05.11.2021
IS04.12.2021
PT06.12.2021
IE17.12.2021
LU17.12.2021
BE31.12.2021
CH31.12.2021
LI31.12.2021
[2024/42]
Former [2024/29]HU17.12.2018
AL04.08.2021
AT04.08.2021
CY04.08.2021
CZ04.08.2021
DK04.08.2021
EE04.08.2021
ES04.08.2021
FI04.08.2021
HR04.08.2021
IT04.08.2021
LT04.08.2021
LV04.08.2021
MC04.08.2021
MK04.08.2021
NL04.08.2021
PL04.08.2021
RO04.08.2021
RS04.08.2021
SE04.08.2021
SI04.08.2021
SK04.08.2021
SM04.08.2021
TR04.08.2021
BG04.11.2021
NO04.11.2021
GR05.11.2021
IS04.12.2021
PT06.12.2021
IE17.12.2021
LU17.12.2021
BE31.12.2021
CH31.12.2021
LI31.12.2021
Former [2024/23]HU17.12.2018
AL04.08.2021
AT04.08.2021
CY04.08.2021
CZ04.08.2021
DK04.08.2021
EE04.08.2021
ES04.08.2021
FI04.08.2021
HR04.08.2021
IT04.08.2021
LT04.08.2021
LV04.08.2021
MC04.08.2021
MK04.08.2021
NL04.08.2021
PL04.08.2021
RO04.08.2021
RS04.08.2021
SE04.08.2021
SI04.08.2021
SK04.08.2021
SM04.08.2021
BG04.11.2021
NO04.11.2021
GR05.11.2021
IS04.12.2021
PT06.12.2021
IE17.12.2021
LU17.12.2021
BE31.12.2021
CH31.12.2021
LI31.12.2021
Former [2023/41]HU17.12.2018
AL04.08.2021
AT04.08.2021
CY04.08.2021
CZ04.08.2021
DK04.08.2021
EE04.08.2021
ES04.08.2021
FI04.08.2021
HR04.08.2021
IT04.08.2021
LT04.08.2021
LV04.08.2021
MC04.08.2021
NL04.08.2021
PL04.08.2021
RO04.08.2021
RS04.08.2021
SE04.08.2021
SI04.08.2021
SK04.08.2021
SM04.08.2021
BG04.11.2021
NO04.11.2021
GR05.11.2021
IS04.12.2021
PT06.12.2021
IE17.12.2021
LU17.12.2021
BE31.12.2021
CH31.12.2021
LI31.12.2021
Former [2023/33]HU17.12.2018
AL04.08.2021
AT04.08.2021
CY04.08.2021
CZ04.08.2021
DK04.08.2021
EE04.08.2021
ES04.08.2021
FI04.08.2021
HR04.08.2021
IT04.08.2021
LT04.08.2021
LV04.08.2021
MC04.08.2021
NL04.08.2021
PL04.08.2021
RO04.08.2021
RS04.08.2021
SE04.08.2021
SK04.08.2021
SM04.08.2021
BG04.11.2021
NO04.11.2021
GR05.11.2021
IS04.12.2021
PT06.12.2021
IE17.12.2021
LU17.12.2021
BE31.12.2021
CH31.12.2021
LI31.12.2021
Former [2023/30]AL04.08.2021
AT04.08.2021
CY04.08.2021
CZ04.08.2021
DK04.08.2021
EE04.08.2021
ES04.08.2021
FI04.08.2021
HR04.08.2021
IT04.08.2021
LT04.08.2021
LV04.08.2021
MC04.08.2021
NL04.08.2021
PL04.08.2021
RO04.08.2021
RS04.08.2021
SE04.08.2021
SK04.08.2021
SM04.08.2021
BG04.11.2021
NO04.11.2021
GR05.11.2021
IS04.12.2021
PT06.12.2021
IE17.12.2021
LU17.12.2021
BE31.12.2021
CH31.12.2021
LI31.12.2021
Former [2023/03]AL04.08.2021
AT04.08.2021
CZ04.08.2021
DK04.08.2021
EE04.08.2021
ES04.08.2021
FI04.08.2021
HR04.08.2021
IT04.08.2021
LT04.08.2021
LV04.08.2021
MC04.08.2021
NL04.08.2021
PL04.08.2021
RO04.08.2021
RS04.08.2021
SE04.08.2021
SK04.08.2021
SM04.08.2021
BG04.11.2021
NO04.11.2021
GR05.11.2021
IS04.12.2021
PT06.12.2021
IE17.12.2021
LU17.12.2021
BE31.12.2021
CH31.12.2021
LI31.12.2021
Former [2023/01]AL04.08.2021
AT04.08.2021
CZ04.08.2021
DK04.08.2021
EE04.08.2021
ES04.08.2021
FI04.08.2021
HR04.08.2021
IT04.08.2021
LT04.08.2021
LV04.08.2021
MC04.08.2021
NL04.08.2021
PL04.08.2021
RO04.08.2021
RS04.08.2021
SE04.08.2021
SK04.08.2021
SM04.08.2021
BG04.11.2021
NO04.11.2021
GR05.11.2021
IS04.12.2021
PT06.12.2021
IE17.12.2021
LU17.12.2021
BE31.12.2021
Former [2022/48]AL04.08.2021
AT04.08.2021
CZ04.08.2021
DK04.08.2021
EE04.08.2021
ES04.08.2021
FI04.08.2021
HR04.08.2021
IT04.08.2021
LT04.08.2021
LV04.08.2021
MC04.08.2021
NL04.08.2021
PL04.08.2021
RO04.08.2021
RS04.08.2021
SE04.08.2021
SK04.08.2021
SM04.08.2021
BG04.11.2021
NO04.11.2021
GR05.11.2021
IS04.12.2021
PT06.12.2021
IE17.12.2021
LU17.12.2021
Former [2022/46]AL04.08.2021
AT04.08.2021
CZ04.08.2021
DK04.08.2021
EE04.08.2021
ES04.08.2021
FI04.08.2021
HR04.08.2021
IT04.08.2021
LT04.08.2021
LV04.08.2021
MC04.08.2021
NL04.08.2021
PL04.08.2021
RO04.08.2021
RS04.08.2021
SE04.08.2021
SK04.08.2021
SM04.08.2021
BG04.11.2021
NO04.11.2021
GR05.11.2021
IS04.12.2021
PT06.12.2021
LU17.12.2021
Former [2022/36]AL04.08.2021
AT04.08.2021
CZ04.08.2021
DK04.08.2021
EE04.08.2021
ES04.08.2021
FI04.08.2021
HR04.08.2021
IT04.08.2021
LT04.08.2021
LV04.08.2021
MC04.08.2021
NL04.08.2021
PL04.08.2021
RO04.08.2021
RS04.08.2021
SE04.08.2021
SK04.08.2021
SM04.08.2021
BG04.11.2021
NO04.11.2021
GR05.11.2021
IS04.12.2021
PT06.12.2021
Former [2022/33]AL04.08.2021
AT04.08.2021
CZ04.08.2021
DK04.08.2021
EE04.08.2021
ES04.08.2021
FI04.08.2021
HR04.08.2021
LT04.08.2021
LV04.08.2021
MC04.08.2021
NL04.08.2021
PL04.08.2021
RO04.08.2021
RS04.08.2021
SE04.08.2021
SK04.08.2021
SM04.08.2021
BG04.11.2021
NO04.11.2021
GR05.11.2021
IS04.12.2021
PT06.12.2021
Former [2022/29]AL04.08.2021
AT04.08.2021
CZ04.08.2021
DK04.08.2021
EE04.08.2021
ES04.08.2021
FI04.08.2021
HR04.08.2021
LT04.08.2021
LV04.08.2021
NL04.08.2021
PL04.08.2021
RO04.08.2021
RS04.08.2021
SE04.08.2021
SK04.08.2021
SM04.08.2021
BG04.11.2021
NO04.11.2021
GR05.11.2021
IS04.12.2021
PT06.12.2021
Former [2022/25]AT04.08.2021
CZ04.08.2021
DK04.08.2021
EE04.08.2021
ES04.08.2021
FI04.08.2021
HR04.08.2021
LT04.08.2021
LV04.08.2021
NL04.08.2021
PL04.08.2021
RO04.08.2021
RS04.08.2021
SE04.08.2021
SK04.08.2021
SM04.08.2021
BG04.11.2021
NO04.11.2021
GR05.11.2021
IS04.12.2021
PT06.12.2021
Former [2022/24]AT04.08.2021
CZ04.08.2021
DK04.08.2021
EE04.08.2021
ES04.08.2021
FI04.08.2021
HR04.08.2021
LT04.08.2021
LV04.08.2021
NL04.08.2021
PL04.08.2021
RO04.08.2021
RS04.08.2021
SE04.08.2021
SK04.08.2021
BG04.11.2021
NO04.11.2021
GR05.11.2021
IS04.12.2021
PT06.12.2021
Former [2022/21]AT04.08.2021
DK04.08.2021
ES04.08.2021
FI04.08.2021
HR04.08.2021
LT04.08.2021
LV04.08.2021
NL04.08.2021
PL04.08.2021
RS04.08.2021
SE04.08.2021
BG04.11.2021
NO04.11.2021
GR05.11.2021
IS04.12.2021
PT06.12.2021
Former [2022/16]AT04.08.2021
ES04.08.2021
FI04.08.2021
HR04.08.2021
LT04.08.2021
LV04.08.2021
NL04.08.2021
PL04.08.2021
RS04.08.2021
SE04.08.2021
BG04.11.2021
NO04.11.2021
GR05.11.2021
IS04.12.2021
PT06.12.2021
Former [2022/10]AT04.08.2021
ES04.08.2021
FI04.08.2021
HR04.08.2021
LT04.08.2021
LV04.08.2021
PL04.08.2021
RS04.08.2021
SE04.08.2021
BG04.11.2021
NO04.11.2021
GR05.11.2021
IS04.12.2021
PT06.12.2021
Former [2022/09]AT04.08.2021
ES04.08.2021
FI04.08.2021
LT04.08.2021
RS04.08.2021
SE04.08.2021
BG04.11.2021
NO04.11.2021
PT06.12.2021
Former [2022/08]AT04.08.2021
ES04.08.2021
FI04.08.2021
LT04.08.2021
SE04.08.2021
BG04.11.2021
NO04.11.2021
Former [2022/07]AT04.08.2021
LT04.08.2021
NO04.11.2021
Cited inInternational search[A]US2005121181  (SZULMAN CLAIRE [FR], et al) [A] 1-16 * the whole document *;
 [A]EP3098554  (SUMITOMO PRECISION PROD CO [JP]) [A] 1-16 * the whole document *;
 [A]US5514248  (OKUDA NOBUYUKI [JP], et al) [A] 1-16 * the whole document *;
 [A]CN102322765  (WUXI GUANYUN HEAT EXCHANGER CO LTD) [A] 1-16 * the whole document *
by applicantUS2005121181
 EP3098554
 US5514248
 CN102322765
 WO2005075920
 WO2004109211
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.