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Extract from the Register of European Patents

EP About this file: EP4152548

EP4152548 - FAULT PROTECTION APPARATUS [Right-click to bookmark this link]
StatusRequest for examination was made
Status updated on  17.02.2023
Database last updated on 02.11.2024
FormerThe international publication has been made
Status updated on  10.12.2021
Most recent event   Tooltip02.04.2024New entry: Renewal fee paid 
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
[2023/12]
Inventor(s)01 / CHEN, Dong
Shenzhen, Guangdong 518129 / CN
02 / GAO, Yongbing
Shenzhen, Guangdong 518129 / CN
03 / SHI, Lei
Shenzhen, Guangdong 518129 / CN
04 / WANG, Xun
Shenzhen, Guangdong 518129 / CN
 [2023/12]
Representative(s)Maiwald GmbH
Engineering
Elisenhof
Elisenstrasse 3
80335 München / DE
[2023/12]
Application number, filing date20938597.001.06.2020
[2023/12]
WO2020CN93669
Filing languageZH
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2021243501
Date:09.12.2021
Language:ZH
[2021/49]
Type: A1 Application with search report 
No.:EP4152548
Date:22.03.2023
Language:EN
[2023/12]
Search report(s)International search report - published on:CN09.12.2021
(Supplementary) European search report - dispatched on:EP25.05.2023
ClassificationIPC:H02J3/38, H02J1/12, H02H3/08, H02H7/26
[2023/26]
CPC:
H02H3/087 (EP); H02H7/20 (US); H02H1/0007 (US);
H02H7/268 (EP); H02J1/12 (EP); H02J2300/24 (EP);
H02J3/381 (EP); Y02E10/56 (EP) (-)
Former IPC [2023/12]H02J3/38
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 [2023/12]
TitleGerman:FEHLERSCHUTZVORRICHTUNG[2023/12]
English:FAULT PROTECTION APPARATUS[2023/12]
French:APPAREIL DE PROTECTION CONTRE LES DÉFAUTS[2023/12]
Entry into regional phase16.12.2022Translation filed 
16.12.2022National basic fee paid 
16.12.2022Search fee paid 
16.12.2022Designation fee(s) paid 
16.12.2022Examination fee paid 
Examination procedure16.12.2022Examination requested  [2023/12]
13.12.2023Amendment by applicant (claims and/or description)
13.12.2023Date on which the examining division has become responsible
Fees paidRenewal fee
16.12.2022Renewal fee patent year 03
31.03.2023Renewal fee patent year 04
31.03.2024Renewal 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.
Documents cited:Search[XI]US2016359319  (KOLHATKAR YASHOMANI Y [IN], et al) [X] 1,7,10 * paragraphs [0017] - [0033]; figures 1-4 * [I] 2-6,8,9,11-15;
 [XI]US2018233919  (GU YILEI [CN], et al) [X] 1,3-10 * paragraphs [0041] - [0074]; figures 1, 2, 3, 10, 11 * [I] 2,11-15;
 [XI]EP3657622  (HUAWEI TECH CO LTD [CN]) [X] 1,3-10 * paragraphs [0031] - [0070]; figures 1-6 *[I] 2,11-15
International search[A]CN105262138  (ALTENERGY POWER SYSTEM INC) [A] 1-24 * entire document *;
 [A]CN105375509  (BEIJING CORONA SCIENCE & TECH CO LTD) [A] 1-24 * entire document *;
 [A]US10075127  (ZOU YUNFEI [CN], et al) [A] 1-24 * entire document *;
 [A]CN109638882  (HUAWEI DIGITAL TECH SUZHOU CO LTD) [A] 1-24 * description, paragraphs 6-47 *;
 [A]CN109831107  (HUAWEI TECH CO LTD) [A] 1-24* entire document *
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.