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Extract from the Register of European Patents

EP About this file: EP4375543

EP4375543 - COOLANT CIRCULATION SYSTEM FOR TRANSMISSION OIL, CONTROL METHOD, VEHICLE, AND STORAGE MEDIUM [Right-click to bookmark this link]
StatusExamination is in progress
Status updated on  06.02.2026
Database last updated on 26.03.2026
FormerRequest for examination was made
Status updated on  27.04.2024
FormerThe international publication has been made
Status updated on  27.01.2023
Most recent event   Tooltip06.02.2026New entry: Despatch of examination report + time limit 
06.02.2026First examination report 
Applicant(s)For all designated states
China Faw Co., Ltd.
No. 1, New Hongqi Street
Automotive Economic & Technological Zone
Changchun, Jilin 130011 / CN
[2024/22]
Inventor(s)01 / ZHANG, Xuefeng
Changchun, Jilin 130011 / CN
02 / CHEN, Guodong
Changchun, Jilin 130011 / CN
03 / YANG, Yunbo
Changchun, Jilin 130011 / CN
04 / LI, Yan
Changchun, Jilin 130011 / CN
05 / WU, Gang
Changchun, Jilin 130011 / CN
06 / LIU, Zhiwen
Changchun, Jilin 130011 / CN
07 / ZHU, Guiqing
Changchun, Jilin 130011 / CN
08 / WANG, Qian
Changchun, Jilin 130011 / CN
 [2024/22]
Representative(s)Penza, Giancarlo
Bugnion S.p.A.
Viale Lancetti, 17
20158 Milano / IT
[2024/22]
Application number, filing date22845262.918.07.2022
[2024/22]
WO2022CN106223
Priority number, dateCN20211082960322.07.2021         Original published format: CN202110829603
[2024/22]
Filing languageZH
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2023001097
Date:26.01.2023
Language:ZH
[2023/04]
Type: A1 Application with search report 
No.:EP4375543
Date:29.05.2024
Language:EN
[2024/22]
Search report(s)International search report - published on:CN26.01.2023
(Supplementary) European search report - dispatched on:EP03.12.2024
ClassificationIPC:F16H59/72, F16H57/04, F01P3/12, F01P3/20
[2025/01]
CPC:
F16H57/0413 (EP,CN); F01P3/12 (EP); F01P3/20 (EP);
F01P2025/13 (EP); F01P2025/50 (EP); F01P2060/045 (EP)
Former IPC [2024/22]F16H59/72, F16H57/04
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 [2024/22]
TitleGerman:KÜHLMITTELKREISLAUFSYSTEM FÜR GETRIEBEÖL, STEUERUNGSVERFAHREN, FAHRZEUG UND SPEICHERMEDIUM[2024/22]
English:COOLANT CIRCULATION SYSTEM FOR TRANSMISSION OIL, CONTROL METHOD, VEHICLE, AND STORAGE MEDIUM[2024/22]
French:SYSTÈME DE CIRCULATION DE LIQUIDE DE REFROIDISSEMENT POUR HUILE DE TRANSMISSION, PROCÉDÉ DE COMMANDE, VÉHICULE, ET SUPPORT DE STOCKAGE[2024/22]
Entry into regional phase21.02.2024Translation filed 
21.02.2024National basic fee paid 
21.02.2024Search fee paid 
21.02.2024Designation fee(s) paid 
21.02.2024Examination fee paid 
Examination procedure21.02.2024Examination requested  [2024/22]
19.06.2025Amendment by applicant (claims and/or description)
19.06.2025Date on which the examining division has become responsible
05.02.2026Despatch of a communication from the examining division (Time limit: M04)
Fees paidRenewal fee
21.02.2024Renewal fee patent year 03
28.07.2025Renewal fee patent year 04
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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.
Documents cited:Search[A] CN112901333  (GUANGZHOU AUTOMOBILE GROUP CO et al.) [A] 1-15 * paragraphs [0030] - [0082] * * figures 1-4 *
 [A] KR100387823   [A] 1-15 * paragraphs [0009] - [0033] * * figure 2 *
 [A] CN109488754  (GREAT WALL MOTOR CO LTD et al.) [A] 1-15 * paragraphs [0033] - [0061] * * figures 1-3 *
 [A] CN103362628  (FORD GLOBAL TECH LLC et al.) [A] 1-15 * paragraphs [0030] - [0081] *
 [A] DE10128856  (ZF SACHS AG et al.) [A] 1-15 * paragraphs [0049] - [0079] *
 [PX] CN113446390  (CHINA FAW GROUP CORP et al.) [PX] 1-15 * claims 1-10 * * paragraphs [0001] - [0145] * * figures 1-3 *
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.