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Extract from the Register of European Patents

EP About this file: EP3671055

EP3671055 - HEAT EXCHANGING VENTILATION DEVICE [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  22.08.2024
Database last updated on 19.03.2026
FormerThe patent has been granted
Status updated on  15.09.2023
FormerGrant of patent is intended
Status updated on  10.05.2023
FormerExamination is in progress
Status updated on  24.04.2023
FormerGrant of patent is intended
Status updated on  22.01.2023
FormerExamination is in progress
Status updated on  19.03.2021
FormerRequest for examination was made
Status updated on  22.05.2020
FormerThe international publication has been made
Status updated on  22.02.2019
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
Mitsubishi Electric Corporation
7-3, Marunouchi 2-chome
Chiyoda-ku
Tokyo 100-8310 / JP
[2020/26]
Inventor(s)01 / SASASHIGE, Yuji
c/o Mitsubishi Electric Corporation
7-3 Marunouchi 2-chome
Chiyoda-ku
Tokyo 100-8310 / JP
 [2020/26]
Representative(s)Witte, Weller & Partner Patentanwälte mbB
Postfach 10 54 62
70047 Stuttgart / DE
[2020/26]
Application number, filing date17921840.917.08.2017
[2020/26]
WO2017JP29511
Filing languageJA
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2019035194
Date:21.02.2019
Language:JA
[2019/08]
Type: A1 Application with search report 
No.:EP3671055
Date:24.06.2020
Language:EN
[2020/26]
Type: B1 Patent specification 
No.:EP3671055
Date:18.10.2023
Language:EN
[2023/42]
Search report(s)International search report - published on:JP21.02.2019
(Supplementary) European search report - dispatched on:EP22.06.2020
ClassificationIPC:F24F11/30, F24F7/08, F24F11/77, F24F12/00, F24F11/81, F24F11/74, F24F110/22, F24F110/20, F24F110/12, F24F110/10, F24F11/61
[2023/04]
CPC:
F24F11/61 (EP); F24F11/74 (EP); F24F11/77 (EP);
F24F11/81 (EP); F24F12/006 (EP); F24F2110/10 (EP);
F24F2110/12 (EP); F24F2110/20 (EP); F24F2110/22 (EP);
Y02B30/56 (EP); Y02B30/70 (EP) (-)
Former IPC [2020/30]F24F11/30, F24F11/74, F24F11/81, F24F12/00, F24F11/77, F24F7/08
Former IPC [2020/26]F24F11/30
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 [2020/26]
Extension statesBANot yet paid
MENot yet paid
Validation statesMANot yet paid
MDNot yet paid
TitleGerman:WÄRMETAUSCHENDE BELÜFTUNGSVORRICHTUNG[2020/26]
English:HEAT EXCHANGING VENTILATION DEVICE[2020/26]
French:DISPOSITIF DE VENTILATION À ÉCHANGE DE CHALEUR[2020/26]
Entry into regional phase20.01.2020Translation filed 
20.01.2020National basic fee paid 
20.01.2020Search fee paid 
20.01.2020Designation fee(s) paid 
20.01.2020Examination fee paid 
Examination procedure20.01.2020Examination requested  [2020/26]
25.11.2020Amendment by applicant (claims and/or description)
18.03.2021Despatch of a communication from the examining division (Time limit: M06)
10.08.2021Reply to a communication from the examining division
23.01.2023Communication of intention to grant the patent
24.04.2023Disapproval of the communication of intention to grant the patent by the applicant or resumption of examination proceedings by the EPO
11.05.2023Communication of intention to grant the patent
12.09.2023Fee for grant paid
12.09.2023Fee for publishing/printing paid
12.09.2023Receipt of the translation of the claim(s)
Opposition(s)19.07.2024No opposition filed within time limit [2024/39]
Fees paidRenewal fee
19.02.2020Renewal fee patent year 03
13.08.2020Renewal fee patent year 04
13.08.2021Renewal fee patent year 05
15.07.2022Renewal fee patent year 06
05.07.2023Renewal fee patent year 07
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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  TooltipCY17.08.2017
HU17.08.2017
AT18.10.2023
CZ18.10.2023
DK18.10.2023
EE18.10.2023
ES18.10.2023
HR18.10.2023
IT18.10.2023
LT18.10.2023
LV18.10.2023
MC18.10.2023
NL18.10.2023
PL18.10.2023
RO18.10.2023
RS18.10.2023
SE18.10.2023
SI18.10.2023
SK18.10.2023
SM18.10.2023
FI19.10.2023
BG18.01.2024
NO18.01.2024
GR19.01.2024
IS18.02.2024
PT19.02.2024
[2026/16]
Former [2026/10]CY17.08.2017
AT18.10.2023
CZ18.10.2023
DK18.10.2023
EE18.10.2023
ES18.10.2023
HR18.10.2023
IT18.10.2023
LT18.10.2023
LV18.10.2023
MC18.10.2023
NL18.10.2023
PL18.10.2023
RO18.10.2023
RS18.10.2023
SE18.10.2023
SI18.10.2023
SK18.10.2023
SM18.10.2023
FI19.10.2023
BG18.01.2024
NO18.01.2024
GR19.01.2024
IS18.02.2024
PT19.02.2024
Former [2025/45]AT18.10.2023
CZ18.10.2023
DK18.10.2023
EE18.10.2023
ES18.10.2023
HR18.10.2023
IT18.10.2023
LT18.10.2023
LV18.10.2023
MC18.10.2023
NL18.10.2023
PL18.10.2023
RO18.10.2023
RS18.10.2023
SE18.10.2023
SI18.10.2023
SK18.10.2023
SM18.10.2023
FI19.10.2023
BG18.01.2024
NO18.01.2024
GR19.01.2024
IS18.02.2024
PT19.02.2024
Former [2025/22]AT18.10.2023
CZ18.10.2023
DK18.10.2023
EE18.10.2023
ES18.10.2023
HR18.10.2023
IT18.10.2023
LT18.10.2023
LV18.10.2023
MC18.10.2023
NL18.10.2023
PL18.10.2023
RO18.10.2023
RS18.10.2023
SE18.10.2023
SI18.10.2023
SK18.10.2023
SM18.10.2023
BG18.01.2024
NO18.01.2024
GR19.01.2024
IS18.02.2024
PT19.02.2024
Former [2024/49]AT18.10.2023
CZ18.10.2023
DK18.10.2023
EE18.10.2023
ES18.10.2023
HR18.10.2023
IT18.10.2023
LT18.10.2023
LV18.10.2023
NL18.10.2023
PL18.10.2023
RO18.10.2023
RS18.10.2023
SE18.10.2023
SI18.10.2023
SK18.10.2023
SM18.10.2023
BG18.01.2024
NO18.01.2024
GR19.01.2024
IS18.02.2024
PT19.02.2024
Former [2024/36]AT18.10.2023
CZ18.10.2023
DK18.10.2023
EE18.10.2023
ES18.10.2023
HR18.10.2023
IT18.10.2023
LT18.10.2023
LV18.10.2023
NL18.10.2023
PL18.10.2023
RO18.10.2023
RS18.10.2023
SE18.10.2023
SK18.10.2023
SM18.10.2023
BG18.01.2024
NO18.01.2024
GR19.01.2024
IS18.02.2024
PT19.02.2024
Former [2024/35]AT18.10.2023
CZ18.10.2023
DK18.10.2023
EE18.10.2023
ES18.10.2023
HR18.10.2023
LT18.10.2023
LV18.10.2023
NL18.10.2023
PL18.10.2023
RO18.10.2023
RS18.10.2023
SE18.10.2023
SM18.10.2023
BG18.01.2024
NO18.01.2024
GR19.01.2024
IS18.02.2024
PT19.02.2024
Former [2024/34]AT18.10.2023
DK18.10.2023
EE18.10.2023
ES18.10.2023
HR18.10.2023
LT18.10.2023
LV18.10.2023
NL18.10.2023
PL18.10.2023
RS18.10.2023
SE18.10.2023
SM18.10.2023
BG18.01.2024
NO18.01.2024
GR19.01.2024
IS18.02.2024
PT19.02.2024
Former [2024/33]AT18.10.2023
DK18.10.2023
ES18.10.2023
HR18.10.2023
LT18.10.2023
LV18.10.2023
NL18.10.2023
PL18.10.2023
RS18.10.2023
SE18.10.2023
SM18.10.2023
BG18.01.2024
NO18.01.2024
GR19.01.2024
IS18.02.2024
PT19.02.2024
Former [2024/26]AT18.10.2023
ES18.10.2023
HR18.10.2023
LT18.10.2023
LV18.10.2023
NL18.10.2023
PL18.10.2023
RS18.10.2023
SE18.10.2023
BG18.01.2024
NO18.01.2024
GR19.01.2024
IS18.02.2024
PT19.02.2024
Former [2024/25]AT18.10.2023
ES18.10.2023
HR18.10.2023
LT18.10.2023
NL18.10.2023
PL18.10.2023
RS18.10.2023
SE18.10.2023
BG18.01.2024
NO18.01.2024
GR19.01.2024
IS18.02.2024
PT19.02.2024
Former [2024/24]AT18.10.2023
ES18.10.2023
HR18.10.2023
LT18.10.2023
NL18.10.2023
RS18.10.2023
SE18.10.2023
BG18.01.2024
NO18.01.2024
GR19.01.2024
IS18.02.2024
PT19.02.2024
Former [2024/23]AT18.10.2023
ES18.10.2023
LT18.10.2023
NL18.10.2023
BG18.01.2024
GR19.01.2024
IS18.02.2024
PT19.02.2024
Former [2024/21]LT18.10.2023
NL18.10.2023
BG18.01.2024
GR19.01.2024
IS18.02.2024
Former [2024/20]NL18.10.2023
GR19.01.2024
IS18.02.2024
Former [2024/17]NL18.10.2023
Documents cited:Search[XY] DE102013216306  (BLUMARTIN GMBH et al.) [X] 1-3,6-10 * column 22 - column 47; figures 1-2 *[Y] 4,5
 [XY] JP2014044011  (PANASONIC CORP et al.) [X] 1-3,6,7 * paragraph [0010] - paragraph [0028]; figures 1-3 *[Y] 4,5,8-10
 [Y] JPH03144238  (MATSUSHITA SEIKO KK et al.) [Y] 4 * the whole document *
 [Y] JPS6341750  (MATSUSHITA SEIKO KK et al.) [Y] 5 * the whole document *
 [Y] NZ561938  (MITSUBISHI ELECTRIC CORP et al.) [Y] 8-10 * page 1a - page 25; figures 1-5 *
 [Y] EP2902720  (DAIKIN IND LTD et al.) [Y] 8-10 * column 3 - column 94; figures 1-9 *
International search[YA] JP2014044011  (PANASONIC CORP et al.) [Y] 1, 3-10 [A] 2
 [Y] JPH03144238  (MATSUSHITA SEIKO KK et al.) [Y] 1, 3-10 * , *
 [Y] JPH05311956  (SUYAMA SEIKI et al.) [Y] 1, 3-10 * , [0029], [0034] ( *
 [YA] JPS62123236  (MATSUSHITA ELECTRIC INDUSTRIAL CO LTD et al.) [Y] 1, 3, 8-10 * , *[A] 2
 [Y] JPS6341750  (MATSUSHITA SEIKO KK et al.) [Y] 5-7 * , 3 *
 [Y] JP2012042129  (YAMATAKE CORP et al.) [Y] 8-10 * , *
 [Y] JP2007271128  (OSAKA GAS CO LTD et al.) [Y] 8-10 * , *
 [Y] JPS56124847  (TOKYO SHIBAURA ELECTRIC CO) [Y] 8-10 * , *
 [A] JP2004293869  (OSAKA GAS CO LTD et al.) [A] 1-10 * , *
 [A] JPH06123473  (DAIKIN IND LTD et al.) [A] 1-10 * , . *
 [A] JPH09178242  (DAIKIN IND LTD et al.) [A] 1-10 * , *
 [A] JP2002071184  (MITSUBISHI ELECTRIC CORP et al.) [A] 1-10
by applicantJP2001304645
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.