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Extract from the Register of European Patents

EP About this file: EP4432795

EP4432795 - COOLING SYSTEM, CABINET AND DATA CENTER [Right-click to bookmark this link]
StatusExamination is in progress
Status updated on  05.12.2025
Database last updated on 07.03.2026
FormerRequest for examination was made
Status updated on  15.08.2024
FormerThe international publication has been made
Status updated on  01.07.2023
Most recent event   Tooltip03.03.2026New entry: Reply to examination report 
Applicant(s)For all designated states
Huawei Digital Power Technologies Co., Ltd.
Office 01, 39th Floor, Block A
Antuoshan Headquarters Towers
33 Antuoshan 6th Road
Futian District
Shenzhen, Guangdong 518043 / CN
[2024/38]
Inventor(s)01 / SONG, Jinliang
Shenzhen, Guangdong 518043 / CN
02 / CHEN, Wei
Shenzhen, Guangdong 518043 / CN
 [2024/38]
Representative(s)Isarpatent
Patent- und Rechtsanwälte
Barth Hassa Peckmann & Partner mbB
Friedrichstraße 31
80801 München / DE
[2024/38]
Application number, filing date22909489.121.10.2022
[2024/38]
WO2022CN126768
Priority number, dateCN20211157459521.12.2021         Original published format: CN202111574595
[2024/38]
Filing languageZH
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2023116171
Date:29.06.2023
Language:ZH
[2023/26]
Type: A1 Application with search report 
No.:EP4432795
Date:18.09.2024
Language:EN
[2024/38]
Search report(s)International search report - published on:CN29.06.2023
(Supplementary) European search report - dispatched on:EP12.03.2025
ClassificationIPC:H05K7/20, F28D1/053, F28D21/00
[2025/15]
CPC:
H05K7/20827 (EP); H05K7/208 (CN); H05K7/20263 (US);
F28D1/05316 (EP); F28D1/05366 (EP); H05K7/20272 (US);
H05K7/2029 (CN); H05K7/20327 (CN); H05K7/20381 (CN);
H05K7/20745 (EP,CN); H05K7/20781 (US); H05K7/20818 (CN);
H05K7/20836 (CN); F28D2021/0028 (EP); Y02D10/00 (EP) (-)
Former IPC [2024/38]H05K7/20
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,   ME,   MK,   MT,   NL,   NO,   PL,   PT,   RO,   RS,   SE,   SI,   SK,   SM,   TR [2024/38]
TitleGerman:KÜHLSYSTEM, SCHRANK UND DATENZENTRUM[2024/38]
English:COOLING SYSTEM, CABINET AND DATA CENTER[2024/38]
French:SYSTÈME DE REFROIDISSEMENT, ARMOIRE ET CENTRE DE DONNÉES[2024/38]
Entry into regional phase12.06.2024Translation filed 
12.06.2024National basic fee paid 
12.06.2024Search fee paid 
12.06.2024Designation fee(s) paid 
12.06.2024Examination fee paid 
Examination procedure12.06.2024Examination requested  [2024/38]
04.09.2025Amendment by applicant (claims and/or description)
04.09.2025Date on which the examining division has become responsible
09.12.2025Despatch of a communication from the examining division (Time limit: M04)
02.03.2026Reply to a communication from the examining division
Fees paidRenewal fee
31.10.2024Renewal fee patent year 03
31.10.2025Renewal 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.
Documents cited:Search[A] CN110769646  (UNIV XIAN POLYTECHNIC et al.) [A] 1-11 * paragraph [0029] - paragraph [0053]; figures 1-2 *
 [A] CN112954955  (HUAWEI TECH CO LTD et al.) [A] 1-11 * paragraph [0063] - paragraph [0114]; figures 1-7 *
ExaminationWO2014138851
 US2015233588
   KIM JUNGCHUL ET AL: "Analytic approach for the evaporative cooling performance of flat membrane cells", INTERNATIONAL JOURNAL OF THERMAL SCIENCES, EDITIONS ELSEVIER, PARIS, FR, vol. 171, 13 August 2021 (2021-08-13), XP086785502, ISSN: 1290-0729, [retrieved on 20210813], DOI: 10.1016/J.IJTHERMALSCI.2021.107205

DOI:   http://dx.doi.org/10.1016/j.ijthermalsci.2021.107205
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.