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Extract from the Register of European Patents

EP About this file: EP3832853

EP3832853 - LIQUID COOLING STRUCTURE OF ROTATING ELECTRIC MACHINE [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  01.03.2024
Database last updated on 17.07.2024
FormerThe patent has been granted
Status updated on  24.03.2023
FormerGrant of patent is intended
Status updated on  08.12.2022
FormerRequest for examination was made
Status updated on  04.11.2022
FormerGrant of patent is intended
Status updated on  07.07.2022
FormerRequest for examination was made
Status updated on  07.05.2021
FormerThe international publication has been made
Status updated on  14.03.2020
Most recent event   Tooltip24.05.2024Lapse of the patent in a contracting state
New state(s): IT		published on 26.06.2024  [2024/26]
Applicant(s)For all designated states
Meidensha Corporation
1-1, Osaki 2-chome Shinagawa-ku
Tokyo 141-6029 / JP
[2021/23]
Inventor(s)01 / SAKAI, Tamotsu
c/o MEIDENSHA CORPORATION, 1-1, Osaki 2-chome,
Shinagawa-ku
Tokyo 141-6029 / JP
02 / FUJIWARA, Yuya
c/o MEIDENSHA CORPORATION, 1-1, Osaki 2-chome,
Shinagawa-ku
Tokyo 141-6029 / JP
 [2021/23]
Representative(s)Manitz Finsterwald Patent- und Rechtsanwaltspartnerschaft mbB
Martin-Greif-Strasse 1
80336 München / DE
[2021/23]
Application number, filing date19858218.120.06.2019
[2021/23]
WO2019JP24420
Priority number, dateJP2018016607105.09.2018         Original published format: JP 2018166071
[2021/23]
Filing languageJA
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2020049831
Date:12.03.2020
Language:JA
[2020/11]
Type: A1 Application with search report 
No.:EP3832853
Date:09.06.2021
Language:EN
[2021/23]
Type: B1 Patent specification 
No.:EP3832853
Date:26.04.2023
Language:EN
[2023/17]
Search report(s)International search report - published on:JP12.03.2020
(Supplementary) European search report - dispatched on:EP11.08.2021
ClassificationIPC:H02K3/24, H02K9/19, H02K3/32, H02K1/14
[2021/36]
CPC:
H02K3/24 (EP,US); H02K1/148 (US); H02K3/325 (EP);
H02K9/19 (EP,US); H02K1/146 (EP); H02K2203/12 (EP)
Former IPC [2021/23]H02K3/24, H02K9/19
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 [2021/23]
Extension statesBANot yet paid
MENot yet paid
Validation statesKHNot yet paid
MANot yet paid
MDNot yet paid
TNNot yet paid
TitleGerman:FLÜSSIGKEITSKÜHLSTRUKTUR EINER ELEKTRISCHEN DREHMASCHINE[2021/23]
English:LIQUID COOLING STRUCTURE OF ROTATING ELECTRIC MACHINE[2021/23]
French:STRUCTURE DE REFROIDISSEMENT DE LIQUIDE DE MACHINE ÉLECTRIQUE TOURNANTE[2021/23]
Entry into regional phase04.03.2021Translation filed 
04.03.2021National basic fee paid 
04.03.2021Search fee paid 
04.03.2021Designation fee(s) paid 
04.03.2021Examination fee paid 
Examination procedure04.03.2021Examination requested  [2021/23]
04.03.2022Amendment by applicant (claims and/or description)
08.07.2022Communication of intention to grant the patent
03.11.2022Disapproval of the communication of intention to grant the patent by the applicant or resumption of examination proceedings by the EPO
09.12.2022Communication of intention to grant the patent
13.03.2023Fee for grant paid
13.03.2023Fee for publishing/printing paid
13.03.2023Receipt of the translation of the claim(s)
Opposition(s)29.01.2024No opposition filed within time limit [2024/14]
Fees paidRenewal fee
04.03.2021Renewal fee patent year 03
31.03.2022Renewal 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  TooltipAT26.04.2023
CZ26.04.2023
DK26.04.2023
EE26.04.2023
ES26.04.2023
FI26.04.2023
HR26.04.2023
IT26.04.2023
LT26.04.2023
LV26.04.2023
MC26.04.2023
NL26.04.2023
PL26.04.2023
RO26.04.2023
RS26.04.2023
SE26.04.2023
SI26.04.2023
SK26.04.2023
SM26.04.2023
IE20.06.2023
LU20.06.2023
BE30.06.2023
CH30.06.2023
GB26.07.2023
NO26.07.2023
GR27.07.2023
IS26.08.2023
PT28.08.2023
[2024/26]
Former [2024/25]AT26.04.2023
CZ26.04.2023
DK26.04.2023
EE26.04.2023
ES26.04.2023
FI26.04.2023
HR26.04.2023
LT26.04.2023
LV26.04.2023
MC26.04.2023
NL26.04.2023
PL26.04.2023
RO26.04.2023
RS26.04.2023
SE26.04.2023
SI26.04.2023
SK26.04.2023
SM26.04.2023
IE20.06.2023
LU20.06.2023
BE30.06.2023
CH30.06.2023
GB26.07.2023
NO26.07.2023
GR27.07.2023
IS26.08.2023
PT28.08.2023
Former [2024/21]AT26.04.2023
CZ26.04.2023
DK26.04.2023
EE26.04.2023
ES26.04.2023
FI26.04.2023
HR26.04.2023
LT26.04.2023
LV26.04.2023
MC26.04.2023
NL26.04.2023
PL26.04.2023
RO26.04.2023
RS26.04.2023
SE26.04.2023
SK26.04.2023
SM26.04.2023
IE20.06.2023
LU20.06.2023
NO26.07.2023
GR27.07.2023
IS26.08.2023
PT28.08.2023
Former [2024/15]AT26.04.2023
CZ26.04.2023
DK26.04.2023
EE26.04.2023
ES26.04.2023
FI26.04.2023
HR26.04.2023
LT26.04.2023
LV26.04.2023
MC26.04.2023
NL26.04.2023
PL26.04.2023
RO26.04.2023
RS26.04.2023
SE26.04.2023
SK26.04.2023
SM26.04.2023
LU20.06.2023
NO26.07.2023
GR27.07.2023
IS26.08.2023
PT28.08.2023
Former [2024/10]AT26.04.2023
CZ26.04.2023
DK26.04.2023
EE26.04.2023
ES26.04.2023
FI26.04.2023
HR26.04.2023
LT26.04.2023
LV26.04.2023
MC26.04.2023
NL26.04.2023
PL26.04.2023
RO26.04.2023
RS26.04.2023
SE26.04.2023
SK26.04.2023
SM26.04.2023
NO26.07.2023
GR27.07.2023
IS26.08.2023
PT28.08.2023
Former [2024/09]AT26.04.2023
CZ26.04.2023
DK26.04.2023
ES26.04.2023
FI26.04.2023
HR26.04.2023
LT26.04.2023
LV26.04.2023
MC26.04.2023
NL26.04.2023
PL26.04.2023
RS26.04.2023
SE26.04.2023
SK26.04.2023
SM26.04.2023
NO26.07.2023
GR27.07.2023
IS26.08.2023
PT28.08.2023
Former [2024/08]AT26.04.2023
ES26.04.2023
FI26.04.2023
HR26.04.2023
LT26.04.2023
LV26.04.2023
NL26.04.2023
PL26.04.2023
RS26.04.2023
SE26.04.2023
SK26.04.2023
SM26.04.2023
NO26.07.2023
GR27.07.2023
IS26.08.2023
PT28.08.2023
Former [2024/03]AT26.04.2023
ES26.04.2023
FI26.04.2023
HR26.04.2023
LT26.04.2023
LV26.04.2023
NL26.04.2023
PL26.04.2023
RS26.04.2023
SE26.04.2023
NO26.07.2023
GR27.07.2023
IS26.08.2023
PT28.08.2023
Former [2024/01]AT26.04.2023
ES26.04.2023
HR26.04.2023
LT26.04.2023
LV26.04.2023
NL26.04.2023
PL26.04.2023
RS26.04.2023
SE26.04.2023
NO26.07.2023
GR27.07.2023
IS26.08.2023
PT28.08.2023
Former [2023/51]AT26.04.2023
ES26.04.2023
HR26.04.2023
NL26.04.2023
PL26.04.2023
RS26.04.2023
SE26.04.2023
NO26.07.2023
GR27.07.2023
IS26.08.2023
PT28.08.2023
Former [2023/50]AT26.04.2023
ES26.04.2023
NL26.04.2023
PL26.04.2023
SE26.04.2023
NO26.07.2023
GR27.07.2023
IS26.08.2023
PT28.08.2023
Former [2023/48]AT26.04.2023
ES26.04.2023
NL26.04.2023
SE26.04.2023
NO26.07.2023
PT28.08.2023
Former [2023/46]ES26.04.2023
NL26.04.2023
PT28.08.2023
Former [2023/43]NL26.04.2023
Documents cited:Search[Y]EP1630930  (CATERPILLAR INC [US]) [Y] 1-3 * paragraph [0021] * * figure 3 *;
 [A]EP1959541  (ROLLS ROYCE PLC [GB]) [A] 1-3 * abstract ** figures 4, 9, 10 *;
 [Y]EP2159906  (AISIN SEIKI [JP]) [Y] 1-3 * paragraphs [0006] , [0020] * * claims 1-8 * * figures 1-3 *;
 [A]US2014091651  (DORFSTAETTER PIRMIN [AT], et al) [A] 1-3 * figures 1-3 *
International search[A]JP2004040924  (NISSAN MOTOR) [A] 1-3 * , *;
 [A]JP2004088944  (HONDA MOTOR CO LTD) [A] 1-3* , *
by applicantJP2010057261
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.