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Extract from the Register of European Patents

EP About this file: EP3680488

EP3680488 - ELECTRIC MACHINE HAVING PERMANENT MAGNETS EMBEDDED IN BLADES [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  22.03.2024
Database last updated on 31.08.2024
FormerThe patent has been granted
Status updated on  14.04.2023
FormerGrant of patent is intended
Status updated on  06.03.2023
FormerExamination is in progress
Status updated on  05.11.2021
FormerRequest for examination was made
Status updated on  25.12.2020
FormerThe application has been published
Status updated on  12.06.2020
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
Rolls-Royce plc
Kings Place
90 York Way
London N1 9FX / GB
[2020/29]
Inventor(s)01 / Chong, Ellis
c/o Rolls-Royce plc
PO Box 31
Derby, Derbyshire DE24 8BJ / GB
 [2020/29]
Representative(s)Rolls-Royce plc
Moor Lane (ML-9)
PO Box 31
Derby DE24 8BJ / GB
[N/P]
Former [2020/29]Rolls-Royce plc
Intellectual Property Dept SinA-48
PO Box 31
Derby DE24 8BJ / GB
Application number, filing date19216658.516.12.2019
[2020/29]
Priority number, dateGB2019000037811.01.2019         Original published format: GB 201900378
[2020/29]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP3680488
Date:15.07.2020
Language:EN
[2020/29]
Type: B1 Patent specification 
No.:EP3680488
Date:17.05.2023
Language:EN
[2023/20]
Search report(s)(Supplementary) European search report - dispatched on:EP15.05.2020
ClassificationIPC:F04D25/06, F04D29/32, F01D15/10, F01D5/14, F01D19/00, F01D25/36, F02C7/268, F02K3/06, H02K7/18, H02K21/14
[2023/11]
CPC:
F04D25/0606 (EP,CN); F01D15/10 (EP,US); B64D27/10 (US);
F01D19/00 (EP); F01D25/36 (EP); F01D5/04 (US);
F01D5/147 (EP); F02C6/00 (CN); F02C7/268 (EP,CN);
F02C7/32 (CN); F02K3/06 (EP,CN); F04D29/324 (EP,US);
F04D29/325 (CN); F04D29/388 (CN); H02K1/12 (US);
H02K1/27 (CN); H02K1/276 (US); H02K21/14 (EP,US);
H02K7/14 (CN); H02K7/1823 (EP,CN,US); F05D2220/36 (EP,US);
F05D2220/76 (EP,US); F05D2220/768 (EP,US); F05D2240/307 (EP,US);
F05D2260/404 (EP); F05D2260/85 (EP); F05D2300/507 (EP);
Y02T50/60 (EP,US) (-)
Former IPC [2020/29]F04D25/06, F01D15/10, F02C7/268, F02K3/06, F04D29/32, H02K7/18
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 [2021/04]
Former [2020/29]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:ELEKTRISCHE MASCHINE MIT IN SCHAUFELN EINGEBETTETEN PERMANENTMAGNETEN[2020/29]
English:ELECTRIC MACHINE HAVING PERMANENT MAGNETS EMBEDDED IN BLADES[2020/29]
French:MACHINE ÉLECTRIQUE AVEC AIMANTS PERMANENTS INTÉGRÉS DANS DES AUBES[2020/29]
Examination procedure18.12.2020Amendment by applicant (claims and/or description)
18.12.2020Examination requested  [2021/04]
18.12.2020Date on which the examining division has become responsible
04.11.2021Despatch of a communication from the examining division (Time limit: M04)
07.02.2022Reply to a communication from the examining division
07.03.2023Communication of intention to grant the patent
04.04.2023Fee for grant paid
04.04.2023Fee for publishing/printing paid
04.04.2023Receipt of the translation of the claim(s)
Opposition(s)20.02.2024No opposition filed within time limit [2024/17]
Fees paidRenewal fee
23.12.2021Renewal fee patent year 03
26.12.2022Renewal fee patent year 04
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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  TooltipAT17.05.2023
CZ17.05.2023
DK17.05.2023
EE17.05.2023
ES17.05.2023
FI17.05.2023
HR17.05.2023
IT17.05.2023
LT17.05.2023
LV17.05.2023
NL17.05.2023
PL17.05.2023
RO17.05.2023
RS17.05.2023
SE17.05.2023
SI17.05.2023
SK17.05.2023
SM17.05.2023
NO17.08.2023
GR18.08.2023
IS17.09.2023
PT18.09.2023
[2024/26]
Former [2024/25]AT17.05.2023
CZ17.05.2023
DK17.05.2023
EE17.05.2023
ES17.05.2023
FI17.05.2023
HR17.05.2023
LT17.05.2023
LV17.05.2023
NL17.05.2023
PL17.05.2023
RO17.05.2023
RS17.05.2023
SE17.05.2023
SI17.05.2023
SK17.05.2023
SM17.05.2023
NO17.08.2023
GR18.08.2023
IS17.09.2023
PT18.09.2023
Former [2024/10]AT17.05.2023
CZ17.05.2023
DK17.05.2023
EE17.05.2023
ES17.05.2023
FI17.05.2023
HR17.05.2023
LT17.05.2023
LV17.05.2023
NL17.05.2023
PL17.05.2023
RO17.05.2023
RS17.05.2023
SE17.05.2023
SK17.05.2023
SM17.05.2023
NO17.08.2023
GR18.08.2023
IS17.09.2023
PT18.09.2023
Former [2024/08]AT17.05.2023
ES17.05.2023
FI17.05.2023
HR17.05.2023
LT17.05.2023
LV17.05.2023
NL17.05.2023
PL17.05.2023
RS17.05.2023
SE17.05.2023
SK17.05.2023
SM17.05.2023
NO17.08.2023
GR18.08.2023
IS17.09.2023
PT18.09.2023
Former [2024/03]AT17.05.2023
ES17.05.2023
FI17.05.2023
HR17.05.2023
LT17.05.2023
LV17.05.2023
NL17.05.2023
PL17.05.2023
RS17.05.2023
SE17.05.2023
NO17.08.2023
GR18.08.2023
IS17.09.2023
PT18.09.2023
Former [2024/01]AT17.05.2023
ES17.05.2023
HR17.05.2023
LT17.05.2023
LV17.05.2023
NL17.05.2023
PL17.05.2023
RS17.05.2023
SE17.05.2023
NO17.08.2023
GR18.08.2023
IS17.09.2023
PT18.09.2023
Former [2023/51]AT17.05.2023
ES17.05.2023
HR17.05.2023
NL17.05.2023
PL17.05.2023
RS17.05.2023
SE17.05.2023
NO17.08.2023
GR18.08.2023
IS17.09.2023
PT18.09.2023
Former [2023/50]AT17.05.2023
ES17.05.2023
NL17.05.2023
PL17.05.2023
SE17.05.2023
NO17.08.2023
GR18.08.2023
IS17.09.2023
PT18.09.2023
Former [2023/48]AT17.05.2023
ES17.05.2023
NL17.05.2023
SE17.05.2023
NO17.08.2023
PT18.09.2023
Former [2023/46]ES17.05.2023
PT18.09.2023
Documents cited:Search[XAI]US4720640  (ANDERSON BJORN M S [US], et al) [X] 1,3-8,10,14 * column 6, line 42 - line 54 * * column 7, line 66 - column 8, line 9 * * column 8, line 44 - column 9, line 32 * * figures 1, 2, 3E, 3F * [A] 9,11 [I] 2,12,13,15;
 [XAI]US4722668  (NOVACEK PETER [CH]) [X] 1-3,7,9,10,14 * column 2, line 66 - column 3, line 45 * * figures 1, 2, 4 * [A] 4-6,8,13 [I] 11,12,15;
 [A]US2005147501  (CHENG MING-KUN [TW], et al) [A] 1-15 * paragraph [0016] - paragraph [0020] * * figures 2, 3 *;
 [AD]US2008120980  (GEMIN PAUL ROBERT [US], et al) [AD] 1-15 * paragraph [0024] - paragraph [0032] ** figures 1, 2, 5 *;
 [XAI]CN104836482  (UNIV SHANGHAI DIANJI) [X] 1,7,10 * abstract * * figure 1 * [A] 3-6,8,13 [I] 2,9,11,12,14,15
ExaminationJPH05219666
 US2017198701
by applicantUS7514810
 US2009115295
 US7603864
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.