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Extract from the Register of European Patents

EP About this file: EP3527487

EP3527487 - METHOD OF IMPROVING A BLADE IN ORDER TO INCREASE ITS NEGATIVE STALL INCIDENCE [Right-click to bookmark this link]
Former [2019/34]METHOD FOR DETERMINING AN INITIAL LEADING EDGE CIRCLE OF AERODYNAMIC PROFILES OF A BLADE AND IMPROVEMENT OF THE BLADE TO INCREASE ITS NEGATIVE STALLING INCIDENCE
[2020/04]
StatusNo opposition filed within time limit
Status updated on  19.03.2021
Database last updated on 07.10.2024
FormerThe patent has been granted
Status updated on  10.04.2020
FormerGrant of patent is intended
Status updated on  28.01.2020
FormerRequest for examination was made
Status updated on  20.09.2019
FormerThe application has been published
Status updated on  19.07.2019
Most recent event   Tooltip08.09.2023Lapse of the patent in a contracting state
New state(s): SI		published on 11.10.2023  [2023/41]
Applicant(s)For all designated states
Airbus Helicopters
Aéroport International Marseille Provence
13725 Marignane Cedex / FR
[2019/34]
Inventor(s)01 / FUKARI, Raphaël
AIRBUS HELICOPTERS
58 avenue Joliot Curie
13740 LE ROVE / FR
02 / EGLIN, Paul
AIRBUS HELICOPTERS
5 lotissement Les Cléments
chemin du Vallon
13830 ROQUEFORT LA BEDOULE / FR
 [2019/34]
Representative(s)GPI & Associés
EuroParc de Pichaury
Bâtiment B2 - 1er Etage
1330, rue Guillibert de la Lauzière
13856 Aix-en-Provence Cedex 3 / FR
[2019/34]
Application number, filing date18206555.715.11.2018
[2019/34]
Priority number, dateFR2018000014015.02.2018         Original published format: FR 1800140
[2019/34]
Filing languageFR
Procedural languageFR
PublicationType: A1 Application with search report 
No.:EP3527487
Date:21.08.2019
Language:FR
[2019/34]
Type: B1 Patent specification 
No.:EP3527487
Date:13.05.2020
Language:FR
[2020/20]
Search report(s)(Supplementary) European search report - dispatched on:EP14.12.2018
ClassificationIPC:B64C3/14, B64C27/467, G01B21/20
[2019/34]
CPC:
B64C3/14 (EP,CN,US); B64C27/467 (EP,CN,RU,US); B64C11/18 (RU);
B64C27/473 (CN,US); B64C2003/146 (EP,US)
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 [2019/43]
Former [2019/34]AL,  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 
TitleGerman:VERFAHREN ZUR VERBESSERUNG VON EINEM FLÜGEL UM DEN NEGATIVEN ANSTELLWINKEL BEI STRÖMUNGSABRISS ZU ERHÖHEN[2020/04]
English:METHOD OF IMPROVING A BLADE IN ORDER TO INCREASE ITS NEGATIVE STALL INCIDENCE[2020/04]
French:MÉTHODE D'AMÉLIORATION D'UNE PALE AFIN D'AUGMENTER SON INCIDENCE NEGATIVE DE DECROCHAGE[2019/34]
Former [2019/34]BESTIMMUNGSMETHODE EINES ANFANGSKREISES DER VORDERKANTE VON AERODYNAMISCHEN PROFILEN EINES ROTORBLATTS, UND VERBESSERUNG DES ROTORBLATTS ZUR STEIGERUNG SEINER NEGATIVEN AUSWIRKUNGEN DES STRÖMUNGSABRISSES
Former [2019/34]METHOD FOR DETERMINING AN INITIAL LEADING EDGE CIRCLE OF AERODYNAMIC PROFILES OF A BLADE AND IMPROVEMENT OF THE BLADE TO INCREASE ITS NEGATIVE STALLING INCIDENCE
Examination procedure12.09.2019Amendment by applicant (claims and/or description)
12.09.2019Examination requested  [2019/43]
12.09.2019Date on which the examining division has become responsible
29.01.2020Communication of intention to grant the patent
24.03.2020Fee for grant paid
24.03.2020Fee for publishing/printing paid
24.03.2020Receipt of the translation of the claim(s)
Opposition(s)16.02.2021No opposition filed within time limit [2021/16]
Opt-out from the exclusive  Tooltip
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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  TooltipHU15.11.2018
AL13.05.2020
AT13.05.2020
CY13.05.2020
CZ13.05.2020
DK13.05.2020
EE13.05.2020
ES13.05.2020
FI13.05.2020
HR13.05.2020
LT13.05.2020
LV13.05.2020
MC13.05.2020
MK13.05.2020
MT13.05.2020
NL13.05.2020
PL13.05.2020
RO13.05.2020
RS13.05.2020
SE13.05.2020
SI13.05.2020
SK13.05.2020
SM13.05.2020
TR13.05.2020
BG13.08.2020
NO13.08.2020
GR14.08.2020
IS13.09.2020
PT14.09.2020
IE15.11.2020
LU15.11.2020
BE30.11.2020
[2023/41]
Former [2022/33]HU15.11.2018
AL13.05.2020
AT13.05.2020
CY13.05.2020
CZ13.05.2020
DK13.05.2020
EE13.05.2020
ES13.05.2020
FI13.05.2020
HR13.05.2020
LT13.05.2020
LV13.05.2020
MC13.05.2020
MK13.05.2020
MT13.05.2020
NL13.05.2020
PL13.05.2020
RO13.05.2020
RS13.05.2020
SE13.05.2020
SK13.05.2020
SM13.05.2020
TR13.05.2020
BG13.08.2020
NO13.08.2020
GR14.08.2020
IS13.09.2020
PT14.09.2020
IE15.11.2020
LU15.11.2020
BE30.11.2020
Former [2022/27]HU15.11.2018
AL13.05.2020
AT13.05.2020
CY13.05.2020
CZ13.05.2020
DK13.05.2020
EE13.05.2020
ES13.05.2020
FI13.05.2020
HR13.05.2020
LT13.05.2020
LV13.05.2020
MC13.05.2020
MT13.05.2020
NL13.05.2020
PL13.05.2020
RO13.05.2020
RS13.05.2020
SE13.05.2020
SK13.05.2020
SM13.05.2020
TR13.05.2020
BG13.08.2020
NO13.08.2020
GR14.08.2020
IS13.09.2020
PT14.09.2020
IE15.11.2020
LU15.11.2020
Former [2021/46]AL13.05.2020
AT13.05.2020
CZ13.05.2020
DK13.05.2020
EE13.05.2020
ES13.05.2020
FI13.05.2020
HR13.05.2020
LT13.05.2020
LV13.05.2020
MC13.05.2020
NL13.05.2020
PL13.05.2020
RO13.05.2020
RS13.05.2020
SE13.05.2020
SK13.05.2020
SM13.05.2020
BG13.08.2020
NO13.08.2020
GR14.08.2020
IS13.09.2020
PT14.09.2020
IE15.11.2020
LU15.11.2020
Former [2021/33]AL13.05.2020
AT13.05.2020
CZ13.05.2020
DK13.05.2020
EE13.05.2020
ES13.05.2020
FI13.05.2020
HR13.05.2020
LT13.05.2020
LV13.05.2020
MC13.05.2020
NL13.05.2020
PL13.05.2020
RO13.05.2020
RS13.05.2020
SE13.05.2020
SK13.05.2020
SM13.05.2020
BG13.08.2020
NO13.08.2020
GR14.08.2020
IS13.09.2020
PT14.09.2020
LU15.11.2020
Former [2021/31]AL13.05.2020
AT13.05.2020
CZ13.05.2020
DK13.05.2020
EE13.05.2020
ES13.05.2020
FI13.05.2020
HR13.05.2020
LT13.05.2020
LV13.05.2020
MC13.05.2020
NL13.05.2020
PL13.05.2020
RO13.05.2020
RS13.05.2020
SE13.05.2020
SK13.05.2020
SM13.05.2020
BG13.08.2020
NO13.08.2020
GR14.08.2020
IS13.09.2020
PT14.09.2020
Former [2021/10]AL13.05.2020
AT13.05.2020
CZ13.05.2020
DK13.05.2020
EE13.05.2020
ES13.05.2020
FI13.05.2020
HR13.05.2020
LT13.05.2020
LV13.05.2020
NL13.05.2020
PL13.05.2020
RO13.05.2020
RS13.05.2020
SE13.05.2020
SK13.05.2020
SM13.05.2020
BG13.08.2020
NO13.08.2020
GR14.08.2020
IS13.09.2020
PT14.09.2020
Former [2021/09]AL13.05.2020
AT13.05.2020
CZ13.05.2020
DK13.05.2020
EE13.05.2020
ES13.05.2020
FI13.05.2020
HR13.05.2020
LT13.05.2020
LV13.05.2020
NL13.05.2020
RO13.05.2020
RS13.05.2020
SE13.05.2020
SM13.05.2020
BG13.08.2020
NO13.08.2020
GR14.08.2020
IS13.09.2020
PT14.09.2020
Former [2021/08]AL13.05.2020
DK13.05.2020
ES13.05.2020
FI13.05.2020
HR13.05.2020
LT13.05.2020
LV13.05.2020
NL13.05.2020
RO13.05.2020
RS13.05.2020
SE13.05.2020
SM13.05.2020
BG13.08.2020
NO13.08.2020
GR14.08.2020
IS13.09.2020
PT14.09.2020
Former [2021/04]AL13.05.2020
FI13.05.2020
HR13.05.2020
LT13.05.2020
LV13.05.2020
NL13.05.2020
RS13.05.2020
SE13.05.2020
BG13.08.2020
NO13.08.2020
GR14.08.2020
IS13.09.2020
PT14.09.2020
Former [2021/01]FI13.05.2020
HR13.05.2020
LT13.05.2020
LV13.05.2020
RS13.05.2020
SE13.05.2020
BG13.08.2020
NO13.08.2020
GR14.08.2020
IS13.09.2020
PT14.09.2020
Former [2020/51]FI13.05.2020
HR13.05.2020
LT13.05.2020
LV13.05.2020
RS13.05.2020
SE13.05.2020
NO13.08.2020
GR14.08.2020
IS13.09.2020
PT14.09.2020
Former [2020/50]FI13.05.2020
HR13.05.2020
LT13.05.2020
LV13.05.2020
SE13.05.2020
NO13.08.2020
GR14.08.2020
IS13.09.2020
PT14.09.2020
Former [2020/48]FI13.05.2020
LT13.05.2020
SE13.05.2020
NO13.08.2020
IS13.09.2020
PT14.09.2020
Former [2020/47]LT13.05.2020
NO13.08.2020
IS13.09.2020
Former [2020/46]IS13.09.2020
Documents cited:Search[XAI]US2007187549  (OWEN STEPHEN J [US]) [X] 10,12,13 * abstract * [A] 1-9 [I] 11;
 [XAI]US2008145219  (MCVEIGH MICHAEL A [US], et al) [X] 10,12,13 * abstract * [A] 1-9 [I] 11;
 [XAI]EP2410186  (MITSUBISHI HEAVY IND LTD [JP]) [X] 10,12 * abstract * [A] 1-9[I] 11
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.