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Extract from the Register of European Patents

EP About this file: EP4147929

EP4147929 - HYDRAULIC PRESSURE ADJUSTMENT DEVICE, HYDRAULIC PRESSURE ADJUSTMENT SYSTEM, BRAKE SYSTEM AND CONTROL METHOD [Right-click to bookmark this link]
StatusThe application is deemed to be withdrawn
Status updated on  19.04.2024
Database last updated on 15.06.2024
FormerRequest for examination was made
Status updated on  10.02.2023
FormerThe international publication has been made
Status updated on  19.11.2021
Most recent event   Tooltip19.04.2024Application deemed to be withdrawnpublished on 22.05.2024  [2024/21]
Applicant(s)For all designated states
HUAWEI TECHNOLOGIES CO., LTD.
Huawei Administration Building
Bantian, Longgang District
Shenzhen, Guangdong 518129 / CN
[2023/11]
Inventor(s)01 / ZHANG, Yongsheng
Shenzhen, Guangdong 518129 / CN
02 / YANG, Weimiao
Shenzhen, Guangdong 518129 / CN
03 / ZHANG, Wei
Shenzhen, Guangdong 518129 / CN
 [2023/11]
Representative(s)Maiwald GmbH
Engineering
Elisenhof
Elisenstrasse 3
80335 München / DE
[2023/11]
Application number, filing date20935956.113.05.2020
[2023/11]
WO2020CN90091
Filing languageZH
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2021226889
Date:18.11.2021
Language:ZH
[2021/46]
Type: A1 Application with search report 
No.:EP4147929
Date:15.03.2023
Language:EN
[2023/11]
Search report(s)International search report - published on:CN18.11.2021
(Supplementary) European search report - dispatched on:EP16.05.2023
ClassificationIPC:B60T13/66, B60T13/68, B60T13/14, B60T11/18
[2023/24]
CPC:
B60T13/142 (EP); B60T13/145 (CN,US); B60T11/20 (US);
B60T11/18 (EP); B60T13/147 (EP,CN); B60T13/662 (EP);
B60T13/686 (EP); B60T13/745 (EP); B60T17/221 (US);
B60T7/042 (EP); B60T8/4081 (EP) (-)
Former IPC [2023/11]B60T13/66, B60T13/68, B60T13/14
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 [2023/11]
TitleGerman:HYDRAULIKDRUCKEINSTELLUNGSVORRICHTUNG, HYDRAULIKDRUCKEINSTELLUNGSSYSTEM, BREMSSYSTEM UND STEUERUNGSVERFAHREN[2023/11]
English:HYDRAULIC PRESSURE ADJUSTMENT DEVICE, HYDRAULIC PRESSURE ADJUSTMENT SYSTEM, BRAKE SYSTEM AND CONTROL METHOD[2023/11]
French:DISPOSITIF DE RÉGLAGE DE PRESSION HYDRAULIQUE, SYSTÈME DE RÉGLAGE DE PRESSION HYDRAULIQUE, SYSTÈME DE FREIN ET PROCÉDÉ DE COMMANDE[2023/11]
Entry into regional phase07.12.2022Translation filed 
07.12.2022National basic fee paid 
07.12.2022Search fee paid 
07.12.2022Designation fee(s) paid 
07.12.2022Examination fee paid 
Examination procedure07.12.2022Amendment by applicant (claims and/or description)
07.12.2022Examination requested  [2023/11]
16.12.2023Application deemed to be withdrawn, date of legal effect  [2024/21]
18.01.2024Despatch of communication that the application is deemed to be withdrawn, reason: reply to the communication from the examining division not received in time  [2024/21]
Fees paidRenewal fee
07.12.2022Renewal fee patent year 03
31.03.2023Renewal 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.
Documents cited:Search[A]US4483144  (STEFFES HELMUT [DE]) [A] 1-15* column 4, line 33 - column 5, line 29; figure 1 *;
 [XA]US2004227396  (KUSANO AKIHITO [JP]) [X] 1,6,7,12-14 * paragraphs [0025] - [0047]; figures 2-3 * [A] 2-5,8-11,15;
 [A]US2006158026  (AOKI YASUSHI [JP], et al) [A] 1-15 * paragraphs [0039] - [0056]; figure 1 *;
 [XA]US2015210256  (YAMASHITA HIRONOBU [JP], et al) [X] 1,6,7,12-14 * paragraphs [0033] - [0054]; figure 2 * [A] 2-5,8-11,15;
 [A]US2016121866  (OZEKI YOSHIMITSU [JP], et al) [A] 1-15 * paragraphs [0030] - [0055]; figure 1 *;
 [A]CN110758365  (NINGHONG SHENZHEN AUTOMOBILE TECH CO LTD) [A] 1-15 * the whole document *
International search[A]FR2931769  (PEUGEOT CITROEN AUTOMOBILES SA [FR]) [A] 1-23 * entire document *;
 [A]DE102012221146  (CONTINENTAL TEVES AG & CO OHG [DE]) [A] 1-23* entire document *;
 [A]CN206615206U  (UNIV JILIN) [A] 1-23 * entire document *;
 [X]CN110758365  (NINGHONG SHENZHEN AUTOMOBILE TECH CO LTD) [X] 1-23 * description, paragraphs [0031] to [0058], figures 1-5 *
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.