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Extract from the Register of European Patents

EP About this file: EP4075658

EP4075658 - INVERTER CIRCUIT CONTROL METHOD AND RELATED DEVICE [Right-click to bookmark this link]
StatusThe patent has been granted
Status updated on  12.01.2024
Database last updated on 12.11.2024
FormerGrant of patent is intended
Status updated on  03.10.2023
FormerRequest for examination was made
Status updated on  16.09.2022
FormerThe international publication has been made
Status updated on  10.07.2021
Most recent event   Tooltip01.11.2024Lapse of the patent in a contracting state
New state(s): RO, SK		published on 04.12.2024 [2024/49]
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
[2022/42]
Inventor(s)01 / CHEN, Dong
Huawei Administration Building Bantian, Longgang
District
Shenzhen, Guangdong 518129 / CN
02 / ZHANG, Yanzhong
Huawei Administration Building Bantian, Longgang
District
Shenzhen, Guangdong 518129 / CN
03 / SHI, Lei
Huawei Administration Building Bantian, Longgang
District
Shenzhen, Guangdong 518129 / CN
 [2022/42]
Representative(s)Gill Jennings & Every LLP
The Broadgate Tower
20 Primrose Street
London EC2A 2ES / GB
[2022/42]
Application number, filing date20910243.313.08.2020
[2022/42]
WO2020CN108854
Priority number, dateCN20191142340531.12.2019         Original published format: CN201911423405
[2022/42]
Filing languageZH
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2021135249
Date:08.07.2021
Language:ZH
[2021/27]
Type: A1 Application with search report 
No.:EP4075658
Date:19.10.2022
Language:EN
[2022/42]
Type: B1 Patent specification 
No.:EP4075658
Date:14.02.2024
Language:EN
[2024/07]
Search report(s)International search report - published on:CN08.07.2021
(Supplementary) European search report - dispatched on:EP21.12.2022
ClassificationIPC:H02M7/487, H02M7/5387, H02M1/32, H02M1/00
[2023/03]
CPC:
H02M7/487 (EP); H02M7/483 (CN,US); H02M7/53871 (CN,US);
H02M1/0009 (CN,US); H02M1/0048 (EP); H02M1/08 (US);
H02M1/32 (EP); H02M7/5387 (EP) (-)
Former IPC [2022/42]H02M7/487, H02M7/5387
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 [2022/42]
Extension statesBANot yet paid
MENot yet paid
Validation statesKHNot yet paid
MANot yet paid
MDNot yet paid
TNNot yet paid
TitleGerman:WECHSELRICHTERSTEUERUNGSVERFAHREN UND ZUGEHÖRIGE VORRICHTUNG[2022/42]
English:INVERTER CIRCUIT CONTROL METHOD AND RELATED DEVICE[2022/42]
French:PROCÉDÉ DE COMMANDE DE CIRCUIT ONDULEUR ET DISPOSITIF ASSOCIÉ[2022/42]
Entry into regional phase14.07.2022Translation filed 
14.07.2022National basic fee paid 
14.07.2022Search fee paid 
14.07.2022Designation fee(s) paid 
14.07.2022Examination fee paid 
Examination procedure14.07.2022Examination requested  [2022/42]
30.06.2023Amendment by applicant (claims and/or description)
30.06.2023Date on which the examining division has become responsible
04.10.2023Communication of intention to grant the patent
08.01.2024Fee for grant paid
08.01.2024Fee for publishing/printing paid
08.01.2024Receipt of the translation of the claim(s)
Fees paidRenewal fee
31.08.2022Renewal fee patent year 03
31.08.2023Renewal 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.
Lapses during opposition  TooltipAT14.02.2024
BG14.02.2024
CZ14.02.2024
DK14.02.2024
EE14.02.2024
ES14.02.2024
FI14.02.2024
HR14.02.2024
LT14.02.2024
LV14.02.2024
NL14.02.2024
PL14.02.2024
RO14.02.2024
SE14.02.2024
SK14.02.2024
SM14.02.2024
NO14.05.2024
RS14.05.2024
GR15.05.2024
IS14.06.2024
PT14.06.2024
[2024/49]
Former [2024/48]AT14.02.2024
BG14.02.2024
CZ14.02.2024
DK14.02.2024
EE14.02.2024
ES14.02.2024
FI14.02.2024
HR14.02.2024
LT14.02.2024
LV14.02.2024
NL14.02.2024
PL14.02.2024
SE14.02.2024
SM14.02.2024
NO14.05.2024
RS14.05.2024
GR15.05.2024
IS14.06.2024
PT14.06.2024
Former [2024/47]AT14.02.2024
BG14.02.2024
DK14.02.2024
ES14.02.2024
FI14.02.2024
HR14.02.2024
LT14.02.2024
LV14.02.2024
NL14.02.2024
PL14.02.2024
SE14.02.2024
SM14.02.2024
NO14.05.2024
RS14.05.2024
GR15.05.2024
IS14.06.2024
PT14.06.2024
Former [2024/37]AT14.02.2024
BG14.02.2024
ES14.02.2024
FI14.02.2024
HR14.02.2024
LT14.02.2024
LV14.02.2024
NL14.02.2024
PL14.02.2024
SE14.02.2024
NO14.05.2024
RS14.05.2024
GR15.05.2024
IS14.06.2024
PT14.06.2024
Former [2024/36]AT14.02.2024
BG14.02.2024
ES14.02.2024
FI14.02.2024
HR14.02.2024
LT14.02.2024
LV14.02.2024
NL14.02.2024
PL14.02.2024
NO14.05.2024
RS14.05.2024
GR15.05.2024
IS14.06.2024
PT14.06.2024
Former [2024/35]AT14.02.2024
BG14.02.2024
ES14.02.2024
FI14.02.2024
HR14.02.2024
LT14.02.2024
NL14.02.2024
NO14.05.2024
RS14.05.2024
GR15.05.2024
IS14.06.2024
Former [2024/33]LT14.02.2024
NO14.05.2024
IS14.06.2024
Former [2024/32]IS14.06.2024
Documents cited:Search[IA]US2018062537  (WANG HONGLIANG [CA], et al) [I] 1-13,15 * abstract * * Table I; paragraphs [0003] , [ 138] , [ 170] - [0172] - [ 208] , [ 219] , [ 247]; figures 1, 3, 7, 8, 10, 13, 15B, 16C, 18, 20A, 20B, 34 * [A] 14;
 [A]CN110247571  (HUAWEI TECH CO LTD) [A] 1-15* abstract *;
 [A]  - NARENDRABABU A ET AL, "A modified T-type single phase five-level inverter with reduced switch voltage stress", 2018 INTERNATIONAL CONFERENCE ON POWER, INSTRUMENTATION, CONTROL AND COMPUTING (PICC), IEEE, (20180118), doi:10.1109/PICC.2018.8384775, pages 1 - 5, XP033358290 [A] 1-15 * abstract *

DOI:   http://dx.doi.org/10.1109/PICC.2018.8384775
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.