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Extract from the Register of European Patents

EP About this file: EP4005927

EP4005927 - AIRCRAFT EXHAUST MUFFLER WITH A VACUUM INSULATION [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  07.11.2025
Database last updated on 18.03.2026
FormerThe patent has been granted
Status updated on  29.11.2024
FormerGrant of patent is intended
Status updated on  16.07.2024
FormerExamination is in progress
Status updated on  11.08.2023
FormerRequest for examination was made
Status updated on  28.10.2022
FormerThe application has been published
Status updated on  29.04.2022
Most recent event   Tooltip07.11.2025No opposition filed within time limitpublished on 10.12.2025  [2025/50]
Applicant(s)For all designated states
Airbus Operations, S.L.U.
Paseo John Lennon s/n
Edificio A4, 2ª Planta A4C2P028
28906 Getafe / ES
[2025/01]
Former [2022/22]For all designated states
Airbus Operations, S.L.U.
Paseo John Lennon s/n
Edificio A4, 2ª Planta A4C2P028
28906 Getafe / ES
Inventor(s)01 / CASADO MONTERO, Carlos
28906 Getafe / ES
02 / MARTIN CANDELARIO, Pedro Manuel
28906 Getafe / ES
03 / GRANJA PAREJO, Lucas
28906 Getafe / ES
 [2022/22]
Application number, filing date20383027.825.11.2020
[2022/22]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP4005927
Date:01.06.2022
Language:EN
[2022/22]
Type: B1 Patent specification 
No.:EP4005927
Date:01.01.2025
Language:EN
[2025/01]
Search report(s)(Supplementary) European search report - dispatched on:EP28.04.2021
ClassificationIPC:B64D33/04, F01N13/14
[2022/22]
CPC:
B64D33/04 (EP); B64D33/06 (US); B64D41/00 (US);
F01N13/146 (EP); G10K11/162 (US); F01N2470/24 (EP);
F01N2510/02 (EP); F01N2590/00 (EP) (-)
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 [2022/48]
Former [2022/22]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:FLUGZEUG-ABGASSCHALLDÄMPFER MIT VAKUUMISOLATION[2022/22]
English:AIRCRAFT EXHAUST MUFFLER WITH A VACUUM INSULATION[2022/22]
French:SILENCIEUX D'ÉCHAPPEMENT D'AÉRONEF ISOLÉ SOUS VIDE[2022/22]
Examination procedure26.10.2022Amendment by applicant (claims and/or description)
26.10.2022Examination requested  [2022/48]
26.10.2022Date on which the examining division has become responsible
11.08.2023Despatch of a communication from the examining division (Time limit: M04)
17.10.2023Reply to a communication from the examining division
17.07.2024Communication of intention to grant the patent
16.10.2024Fee for grant paid
16.10.2024Fee for publishing/printing paid
16.10.2024Receipt of the translation of the claim(s)
Opposition(s)02.10.2025No opposition filed within time limit [2025/50]
Fees paidRenewal fee
24.11.2022Renewal fee patent year 03
24.11.2023Renewal fee patent year 04
26.11.2024Renewal 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  TooltipAT01.01.2025
BG01.01.2025
CZ01.01.2025
DK01.01.2025
EE01.01.2025
FI01.01.2025
HR01.01.2025
IT01.01.2025
LV01.01.2025
NL01.01.2025
PL01.01.2025
RO01.01.2025
SE01.01.2025
SK01.01.2025
SM01.01.2025
NO01.04.2025
GR02.04.2025
IS01.05.2025
PT02.05.2025
[2025/49]
Former [2025/48]AT01.01.2025
BG01.01.2025
CZ01.01.2025
DK01.01.2025
EE01.01.2025
FI01.01.2025
HR01.01.2025
IT01.01.2025
LV01.01.2025
NL01.01.2025
PL01.01.2025
SE01.01.2025
SM01.01.2025
NO01.04.2025
GR02.04.2025
IS01.05.2025
PT02.05.2025
Former [2025/47]AT01.01.2025
BG01.01.2025
CZ01.01.2025
DK01.01.2025
FI01.01.2025
HR01.01.2025
IT01.01.2025
LV01.01.2025
NL01.01.2025
PL01.01.2025
SE01.01.2025
SM01.01.2025
NO01.04.2025
GR02.04.2025
IS01.05.2025
PT02.05.2025
Former [2025/46]AT01.01.2025
BG01.01.2025
CZ01.01.2025
FI01.01.2025
HR01.01.2025
LV01.01.2025
NL01.01.2025
PL01.01.2025
SE01.01.2025
SM01.01.2025
NO01.04.2025
GR02.04.2025
IS01.05.2025
PT02.05.2025
Former [2025/42]AT01.01.2025
BG01.01.2025
CZ01.01.2025
FI01.01.2025
HR01.01.2025
LV01.01.2025
NL01.01.2025
PL01.01.2025
SE01.01.2025
NO01.04.2025
GR02.04.2025
IS01.05.2025
PT02.05.2025
Former [2025/36]AT01.01.2025
BG01.01.2025
CZ01.01.2025
FI01.01.2025
HR01.01.2025
LV01.01.2025
NL01.01.2025
PL01.01.2025
NO01.04.2025
GR02.04.2025
IS01.05.2025
PT02.05.2025
Former [2025/35]AT01.01.2025
BG01.01.2025
FI01.01.2025
HR01.01.2025
LV01.01.2025
NL01.01.2025
PL01.01.2025
NO01.04.2025
GR02.04.2025
IS01.05.2025
PT02.05.2025
Former [2025/34]FI01.01.2025
HR01.01.2025
LV01.01.2025
NL01.01.2025
PL01.01.2025
NO01.04.2025
IS01.05.2025
PT02.05.2025
Former [2025/33]FI01.01.2025
NL01.01.2025
PL01.01.2025
Former [2025/30]NL01.01.2025
Documents cited:Search[I] WO2019040885  (REID AARNE H et al.)
 [A] CN109441605  (YANCHENG CHUANGHE NOVEL MAT CO LTD et al.)
 [XI] US2009308686  (SULLIVAN JOHN T et al.) [X] 1-3,6,11,12 * paragraph [0001] - paragraph [00170]; figures 1A,B, 3, 5, 10B,C *[I] 4,5,7-10,13,14
 [XAI] CN211397703  (ZHEJIANG CHUANGGE TECH CO LTD et al.) [X] 1-3,6,7 * page 1 - page 2; figures 1, 2 *[A] 4 [I] 5,8-14
 [XAI] US3146005  (PEYTON JOHN F et al.) [X] 1-6 * paragraph [0001] - paragraph [0031]; figures 1-5 *[A] 11,12 [I] 7-10,13,14
 [I]   UNKNOWN: "Aircraft Thermal Insulation | High Temperature Vacuum Insulation | MLI", COMPANY WEBPAGE, 24 September 2020 (2020-09-24), pages 1 - 5, XP055795607, Retrieved from the Internet [retrieved on 20210415]
 [A]   UNKNOWN: "Is vacuum insulation effective at high temperatures? | Insulon", 8 August 2020 (2020-08-08), pages 1 - 6, XP055795637, Retrieved from the Internet [retrieved on 20210415]
ExaminationCN208885374
 US2020393076
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.