Extract from the Register of European Patents

EP About this file: EP4294725

EP4294725 - ELECTRICAL POWER TRANSMISSION FOR PROPELLER DEICING [Right-click to bookmark this link]
StatusThe patent has been granted
Status updated on  01.08.2025
Database last updated on 28.03.2026
FormerGrant of patent is intended
Status updated on  03.04.2025
FormerRequest for examination was made
Status updated on  24.11.2023
FormerThe international publication has been made
Status updated on  26.08.2022
Formerunknown
Status updated on  01.03.2022
Most recent event   Tooltip06.02.2026Lapse of the patent in a contracting state
New state(s): ES
published on 11.03.2026  [2026/11]
Applicant(s)For all designated states
UBIQ AEROSPACE AS
Krambugata 2
7011 Trondheim / NO
[2023/52]
Inventor(s)01 / MAJUMDER, Shibarchi
7011 Trondheim / NO
02 / SØRENSEN, Kim
7011 Trondheim / NO
 [2023/52]
Representative(s)Acapo Onsagers AS
Edvard Griegs vei 1
5059 Bergen / NO
[N/P]
Former [2025/36]Dehns
10 Old Bailey
London EC4M 7NG / GB
Former [2023/52]Dehns
St. Bride's House
10 Salisbury Square
London EC4Y 8JD / GB
Application number, filing date22705057.214.02.2022
[2023/52]
WO2022EP53530
Priority number, dateGB2021000217416.02.2021         Original published format: GB 202102174
[2023/52]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2022175208
Date:25.08.2022
Language:EN
[2022/34]
Type: A1 Application with search report 
No.:EP4294725
Date:27.12.2023
Language:EN
The application published by WIPO in one of the EPO official languages on 25.08.2022 takes the place of the publication of the European patent application.
[2023/52]
Type: B1 Patent specification 
No.:EP4294725
Date:03.09.2025
Language:EN
[2025/36]
Search report(s)International search report - published on:EP25.08.2022
ClassificationIPC:B64D15/12, B64C11/00
[2023/52]
CPC:
B64D15/12 (EP,GB,US); B64C11/00 (EP,US); B64C39/024 (GB);
B64D27/24 (GB); B64U30/20 (GB); B64U50/13 (GB);
B64U50/19 (GB) (-)
Designated contracting statesAL,   AT,   BE,   BG,   CH,   CY,   CZ,   DE,   DK,   EE,   ES,   FI,   FR,   GR,   HR,   HU,   IE,   IS,   IT,   LI,   LT,   LU,   LV,   MC,   MK,   MT,   NL,   NO,   PL,   PT,   RO,   RS,   SE,   SI,   SK,   SM,   TR [2025/36]  
Former [2023/52]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 
Extension statesBANot yet paid
MENot yet paid
Validation statesKHNot yet paid
MANot yet paid
MDNot yet paid
TNNot yet paid
TitleGerman:ELEKTRISCHE LEISTUNGSÜBERTRAGUNG ZUR PROPELLERENTEISUNG[2023/52]
English:ELECTRICAL POWER TRANSMISSION FOR PROPELLER DEICING[2023/52]
French:TRANSMISSION D'ÉNERGIE ÉLECTRIQUE POUR DÉGIVRAGE D'HÉLICE[2023/52]
Entry into regional phase11.09.2023National basic fee paid 
11.09.2023Designation fee(s) paid 
11.09.2023Examination fee paid 
Examination procedure11.09.2023Examination requested  [2023/52]
11.09.2023Date on which the examining division has become responsible
09.04.2024Amendment by applicant (claims and/or description)
04.04.2025Communication of intention to grant the patent
28.07.2025Fee for grant paid
28.07.2025Fee for publishing/printing paid
28.07.2025Receipt of the translation of the claim(s)
Fees paidRenewal fee
16.02.2024Renewal fee patent year 03
26.02.2025Renewal fee patent year 04
Opt-out from the exclusive  Tooltip
competence of the Unified
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  TooltipES03.09.2025
HR03.09.2025
PL03.09.2025
NO03.12.2025
RS03.12.2025
GR04.12.2025
[2026/11]
Former [2026/10]HR03.09.2025
PL03.09.2025
NO03.12.2025
RS03.12.2025
GR04.12.2025
Former [2026/09]HR03.09.2025
NO03.12.2025
GR04.12.2025
Former [2026/08]HR03.09.2025
NO03.12.2025
Cited inInternational search[A] US1807359  (WILLIAM WATERS et al.)
 [A] EP2218643  (ALENIA AERONAUTICA SPA et al.)
 [A] EP2919555  (HAMILTON SUNDSTRAND CORP et al.) [A] 1-25 * page 1, lines 27-67; figure 2 *
 [A] EP2860111  (HAMILTON SUNDSTRAND CORP et al.) [A] 1-25 * paragraphs [0010] - [0013]; figure 1 *
by applicantWO2018037022
 US4699568
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.