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Extract from the Register of European Patents

EP About this file: EP3853473

EP3853473 - WIND TURBINE HAVING A CIRCULAR AND A CONICAL TOWER STRUCTURE WITH PASSIVE FLOW CONTROL MEANS AND USE OF SUCH A WIND TURBINE [Right-click to bookmark this link]
Former [2021/30]WIND TURBINE HAVING A CIRCULAR OR CONICAL TOWER STRUCTURE WITH PASSIVE FLOW CONTROL MEANS AND USE OF SUCH CIRCULAR TOWER STRUCTURE
[2023/44]
StatusThe patent has been granted
Status updated on  05.01.2024
Database last updated on 07.10.2024
FormerGrant of patent is intended
Status updated on  19.10.2023
FormerExamination is in progress
Status updated on  07.07.2023
FormerRequest for examination was made
Status updated on  25.06.2021
FormerThe international publication has been made
Status updated on  28.03.2020
Most recent event   Tooltip08.08.2024Lapse of the patent in a contracting state
New state(s): SE
published on 11.09.2024  [2024/37]
Applicant(s)For all designated states
Envision Energy (Denmark) ApS
Randersvej 2a
8600 Silkeborg / DK
[2021/30]
Inventor(s)01 / FRYDENDAL, Ib
Løvetvej 9
8740 Brædstrup / DK
02 / GRABAU, Peter
H.C. Petersens Vej 10
6000 Kolding / DK
 [2021/30]
Representative(s)Qip Patentanwälte Dr. Kuehn & Partner mbB
Bavariaring 10
80336 München / DE
[N/P]
Former [2021/30]Qip Patentanwälte Dr. Kuehn & Partner mbB
Goethestraße 8
80336 München / DE
Application number, filing date19863707.618.09.2019
[2021/30]
WO2019DK50273
Priority number, dateDK2018PA7061019.09.2018         Original published format: DK PA201870610
DK2018PA7081413.12.2018         Original published format: DK PA201870814
[2021/30]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2020057706
Date:26.03.2020
Language:EN
[2020/13]
Type: A1 Application with search report 
No.:EP3853473
Date:28.07.2021
Language:EN
The application published by WIPO in one of the EPO official languages on 26.03.2020 takes the place of the publication of the European patent application.
[2021/30]
Type: B1 Patent specification 
No.:EP3853473
Date:07.02.2024
Language:EN
[2024/06]
Search report(s)International search report - published on:XN26.03.2020
(Supplementary) European search report - dispatched on:EP11.05.2022
ClassificationIPC:F03D13/20
[2022/23]
CPC:
F03D13/201 (EP); F03D13/20 (CN); F03D80/88 (CN);
F15D1/00 (CN); F05B2240/122 (EP); F05B2240/912 (EP);
F05B2250/232 (EP); F05B2260/96 (CN); Y02E10/72 (EP);
Y02E10/728 (EP) (-)
Former IPC [2021/30]F03D13/20, E04H12/00, F15D1/00
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 [2021/30]
Extension statesBANot yet paid
MENot yet paid
Validation statesKHNot yet paid
MANot yet paid
MDNot yet paid
TNNot yet paid
TitleGerman:WINDTURBINE MIT EINER KREISFÖRMIGEN UND KONISCHEN TURMKONSTRUKTION MIT PASSIVER STRÖMUNGSVORRICHTUNG UND VERWENDUNG EINER SOLCHEN WINDTURBINE[2023/44]
English:WIND TURBINE HAVING A CIRCULAR AND A CONICAL TOWER STRUCTURE WITH PASSIVE FLOW CONTROL MEANS AND USE OF SUCH A WIND TURBINE[2023/44]
French:ÉOLIENNE AYANT UNE STRUCTURE DE TOUR CIRCULAIRE ET CONIQUE AVEC DES MOYENS DE COMMANDE DU DÉBIT PASSIFS ET UTILISATION D'UNE TELLE ÉOLIENNE[2023/44]
Former [2021/30]WINDTURBINE MIT EINER KREISFÖRMIGEN ODER KONISCHEN TURMKONSTRUKTION MIT PASSIVER STRÖMUNGSVORRICHTUNG UND VERWENDUNG EINER SOLCHEN RINGFÖRMIGEN TURMKONSTRUKTION
Former [2021/30]WIND TURBINE HAVING A CIRCULAR OR CONICAL TOWER STRUCTURE WITH PASSIVE FLOW CONTROL MEANS AND USE OF SUCH CIRCULAR TOWER STRUCTURE
Former [2021/30]ÉOLIENNE AYANT UNE STRUCTURE DE TOUR CIRCULAIRE OU CONIQUE AVEC DES MOYENS DE COMMANDE DU DÉBIT PASSIFS ET UTILISATION D'UNE TELLE STRUCTURE DE TOUR CIRCULAIRE
Entry into regional phase17.03.2021National basic fee paid 
17.03.2021Search fee paid 
17.03.2021Designation fee(s) paid 
17.03.2021Examination fee paid 
Examination procedure17.03.2021Examination requested  [2021/30]
26.07.2022Amendment by applicant (claims and/or description)
06.07.2023Despatch of a communication from the examining division (Time limit: M04)
22.09.2023Reply to a communication from the examining division
20.10.2023Communication of intention to grant the patent
21.12.2023Fee for grant paid
21.12.2023Fee for publishing/printing paid
21.12.2023Receipt of the translation of the claim(s)
Fees paidRenewal fee
13.09.2021Renewal fee patent year 03
15.09.2022Renewal fee patent year 04
20.07.2023Renewal fee patent year 05
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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  TooltipAT07.02.2024
BG07.02.2024
FI07.02.2024
HR07.02.2024
LT07.02.2024
LV07.02.2024
NL07.02.2024
SE07.02.2024
NO07.05.2024
GR08.05.2024
IS07.06.2024
PT07.06.2024
[2024/37]
Former [2024/36]AT07.02.2024
BG07.02.2024
FI07.02.2024
HR07.02.2024
LT07.02.2024
LV07.02.2024
NL07.02.2024
NO07.05.2024
GR08.05.2024
IS07.06.2024
PT07.06.2024
Former [2024/35]AT07.02.2024
BG07.02.2024
FI07.02.2024
HR07.02.2024
LT07.02.2024
NL07.02.2024
NO07.05.2024
GR08.05.2024
IS07.06.2024
Former [2024/34]BG07.02.2024
FI07.02.2024
HR07.02.2024
LT07.02.2024
NL07.02.2024
NO07.05.2024
GR08.05.2024
IS07.06.2024
Former [2024/33]LT07.02.2024
NO07.05.2024
IS07.06.2024
Former [2024/32]IS07.06.2024
Documents cited:Search[I]US4059129  (FEIS NIKOLAAS);
 [I]JPS5483230U  ;
 [I]US2006054073  (MUEHLNER EDMUND [US]);
 [A]WO2018149527  (SIEMENS WIND POWER AS [DK]);
International search[Y]US4059129  (FEIS NIKOLAAS);
 [A]DE19704759  (VERWIEBE CONSTANTIN DIPL ING [DE]);
 [Y]DE102004030094  (REIMERS JAN-DIRK [DE]);
 [A]EP1287262  (IMP INNOVATIONS LTD [GB]);
 [A]WO2018149527  (SIEMENS WIND POWER AS [DK])
by applicantUS4059129
 JPS5483230U
 US2006054073
 WO2018149527
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.