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Extract from the Register of European Patents

EP About this file: EP3686357

EP3686357 - HYDRAULIC SHOVEL [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  27.02.2026
Database last updated on 26.03.2026
FormerThe patent has been granted
Status updated on  21.03.2025
FormerGrant of patent is intended
Status updated on  27.11.2024
FormerRequest for examination was made
Status updated on  26.06.2020
FormerThe international publication has been made
Status updated on  30.03.2019
Most recent event   Tooltip27.02.2026No opposition filed within time limitpublished on 01.04.2026 [2026/14]
Applicant(s)For all designated states
Hitachi Construction Machinery Co., Ltd.
16-1, Higashiueno 2-chome
Taito-ku
Tokyo 110-0015 / JP
[2020/31]
Inventor(s)01 / NAKAMURA, Satoshi
c/o Tsuchiura Works
Hitachi Construction Machinery Co., Ltd.
650 Kandatsumachi
Tsuchiura-shi Ibaraki 300-0013 / JP
02 / TOMITA, Kunitsugu
c/o Tsuchiura Works
Hitachi Construction Machinery Co., Ltd.
650 Kandatsumachi
Tsuchiura-shi Ibaraki 300-0013 / JP
03 / HOSHINO, Kazunori
c/o Tsuchiura Works
Hitachi Construction Machinery Co., Ltd.
650 Kandatsumachi
Tsuchiura-shi Ibaraki 300-0013 / JP
04 / BANDOU, Shigeru
c/o Tsuchiura Works
Hitachi Construction Machinery Co., Ltd.
650 Kandatsumachi
Tsuchiura-shi Ibaraki 300-0013 / JP
 [2020/31]
Representative(s)MERH-IP Matias Erny Reichl Hoffmann Patentanwälte PartG mbB
Paul-Heyse-Straße 29
80336 München / DE
[2025/17]
Former [2020/31]MERH-IP Matias Erny Reichl Hoffmann Patentanwälte PartG mbB
Paul-Heyse-Strasse 29
80336 München / DE
Application number, filing date18858189.621.09.2018
[2020/31]
WO2018JP35212
Priority number, dateJP2017018178921.09.2017         Original published format: JP 2017181789
[2020/31]
Filing languageJA
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2019059383
Date:28.03.2019
Language:JA
[2019/13]
Type: A1 Application with search report 
No.:EP3686357
Date:29.07.2020
Language:EN
[2020/31]
Type: B1 Patent specification 
No.:EP3686357
Date:23.04.2025
Language:EN
[2025/17]
Search report(s)International search report - published on:JP28.03.2019
(Supplementary) European search report - dispatched on:EP28.05.2021
ClassificationIPC:E02F9/26, E02F3/43, G01G19/10, G01G19/16
[2021/26]
CPC:
E02F3/434 (EP); E02F9/26 (KR,US); E02F3/32 (EP,US);
E02F9/2004 (US); E02F9/2025 (US); E02F9/2271 (US);
G01G19/10 (EP,KR,US); G01G19/16 (EP,KR,US) (-)
Former IPC [2020/31]E02F9/26, G01G19/10, G01G19/16
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 [2020/31]
Extension statesBANot yet paid
MENot yet paid
Validation statesKHNot yet paid
MANot yet paid
MDNot yet paid
TNNot yet paid
TitleGerman:HYDRAULISCHE SCHAUFEL[2020/31]
English:HYDRAULIC SHOVEL[2020/31]
French:PELLE HYDRAULIQUE[2020/31]
Entry into regional phase12.09.2019Translation filed 
21.04.2020National basic fee paid 
21.04.2020Search fee paid 
21.04.2020Designation fee(s) paid 
21.04.2020Examination fee paid 
Examination procedure21.04.2020Examination requested  [2020/31]
23.12.2021Amendment by applicant (claims and/or description)
28.11.2024Communication of intention to grant the patent
17.03.2025Fee for grant paid
17.03.2025Fee for publishing/printing paid
17.03.2025Receipt of the translation of the claim(s)
Opposition(s)26.01.2026No opposition filed within time limit [2026/14]
Fees paidRenewal fee
30.09.2020Renewal fee patent year 03
30.09.2021Renewal fee patent year 04
30.09.2022Renewal fee patent year 05
02.10.2023Renewal fee patent year 06
30.09.2024Renewal fee patent year 07
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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.
Lapses during opposition  TooltipAT23.04.2025
BG23.04.2025
CZ23.04.2025
DK23.04.2025
EE23.04.2025
ES23.04.2025
FI23.04.2025
HR23.04.2025
IT23.04.2025
LV23.04.2025
NL23.04.2025
PL23.04.2025
RO23.04.2025
SK23.04.2025
SM23.04.2025
NO23.07.2025
RS23.07.2025
GR24.07.2025
IS23.08.2025
PT25.08.2025
[2026/10]
Former [2026/09]AT23.04.2025
BG23.04.2025
CZ23.04.2025
DK23.04.2025
ES23.04.2025
FI23.04.2025
HR23.04.2025
LV23.04.2025
NL23.04.2025
PL23.04.2025
SM23.04.2025
NO23.07.2025
RS23.07.2025
GR24.07.2025
IS23.08.2025
PT25.08.2025
Former [2026/08]AT23.04.2025
BG23.04.2025
DK23.04.2025
ES23.04.2025
FI23.04.2025
HR23.04.2025
LV23.04.2025
NL23.04.2025
PL23.04.2025
SM23.04.2025
NO23.07.2025
RS23.07.2025
GR24.07.2025
IS23.08.2025
PT25.08.2025
Former [2025/49]AT23.04.2025
BG23.04.2025
ES23.04.2025
FI23.04.2025
HR23.04.2025
LV23.04.2025
NL23.04.2025
PL23.04.2025
NO23.07.2025
RS23.07.2025
GR24.07.2025
IS23.08.2025
PT25.08.2025
Former [2025/48]AT23.04.2025
BG23.04.2025
ES23.04.2025
FI23.04.2025
HR23.04.2025
NL23.04.2025
PL23.04.2025
NO23.07.2025
RS23.07.2025
GR24.07.2025
PT25.08.2025
Former [2025/47]BG23.04.2025
ES23.04.2025
FI23.04.2025
NL23.04.2025
PL23.04.2025
NO23.07.2025
GR24.07.2025
PT25.08.2025
Former [2025/46]ES23.04.2025
FI23.04.2025
NL23.04.2025
PT25.08.2025
Former [2025/43]NL23.04.2025
Documents cited:Search[Y] US2014231153  (FUKASU HISATAKA et al.) [Y] 1-6 * paragraph [0056] - paragraph [0060]; figures 2,3,7,9,14 * * paragraph [0066] * * paragraph [0085] *
 [Y] EP1445386  (HITACHI CONSTRUCTION MACHINERY et al.) [Y] 1-6 * paragraph [0042] - paragraph [0055]; figures 2,7-9 *
 [A] EP0129422  (SKEEN JUNE CAROLINE et al.) [A] 1-6 * the whole document *
 [A] US5714719  (OTSUKA KAZUO et al.) [A] 1-6 * column 1, line 44 - column 2, line 64; figure 1 *
International search[A] JP2015040422  (HITACHI CONSTRUCTION MACHINERY et al.) [A] 1-6 * , *
 [A] JP3830151   [A] 1-6 * , *
 [A] JP2012215495  (HITACHI CONSTRUCTION MACHINERY et al.) [A] 1-6 * , *
 [A] JPH1037254  (CATERPILLAR MITSUBISHI LTD et al.) [A] 1-6 * , *
 [A] JP2011516755   [A] 1-6 * , 101960075 B *
by applicantJP3787046
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.