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Extract from the Register of European Patents

EP About this file: EP2857591

EP2857591 - Torque reduction of an internal combustion engine in case of low level of urea in a work vehicle with selective catalyst reduction [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  20.12.2024
Database last updated on 28.03.2026
FormerThe patent has been granted
Status updated on  12.01.2024
FormerGrant of patent is intended
Status updated on  30.08.2023
FormerExamination is in progress
Status updated on  26.06.2020
Most recent event   Tooltip13.03.2026Lapse of the patent in a contracting state
New state(s): HU		published on 15.04.2026 [2026/16]
Applicant(s)For all designated states
Hitachi Construction Machinery Co., Ltd.
16-1, Higashi-ueno 2-chome
Taito-ku
Tokyo 110-0015 / JP
[2019/38]
Former [2016/44]For all designated states
KCM Corporation
2680, Oka, Inami-cho
Kako-gun
Hyogo 675-1113 / JP
Former [2015/15]For all designated states
Hitachi Construction Machinery Co., Ltd.
5-1, Koraku 2-chome Bunkyo-ku
Tokyo 112-8563 / JP
Inventor(s)01 / Hyodo, Koji
c/o Tsuchiura Works Hitachi Construction Machinery
Co., Ltd.
650, Kandatsu-machi
Tsuchiura-shi
Ibaraki, 300-0013 / JP
02 / Shimazu, Atsushi
c/o Tsuchiura Works Hitachi Construction Machinery
Co., Ltd.
650, Kandatsu-machi
Tsuchiura-shi
Ibaraki, 300-0013 / JP
03 / Yamashita, Masashi
c/o Tsuchiura Works Hitachi Construction Machinery
Co., Ltd.
650, Kandatsu-machi
Tsuchiura-shi
Ibaraki, 300-0013 / JP
04 / Tanaka, Tetsuji
c/o Tsuchiura Works Hitachi Construction Machinery
Co., Ltd.
650, Kandatsu-machi
Tsuchiura-shi
Ibaraki, 300-0013 / JP
05 / Aoki, Isamu
c/o Tsuchiura Works Hitachi Construction Machinery
Co., Ltd.
650, Kandatsu-machi
Tsuchiura-shi
Ibaraki, 300-0013 / JP
06 / Kawahara, Shoroku
c/o Tsuchiura Works Hitachi Construction Machinery
Co., Ltd.
650, Kandatsu-machi
Tsuchiura-shi
Ibaraki, 300-0013 / JP
 [2015/15]
Representative(s)MERH-IP Matias Erny Reichl Hoffmann Patentanwälte PartG mbB
Paul-Heyse-Straße 29
80336 München / DE
[N/P]
Former [2024/07]MERH-IP Matias Erny Reichl Hoffmann Patentanwälte PartG mbB
Paul-Heyse-Strasse 29
80336 München / DE
Former [2015/15]MERH-IP Matias Erny Reichl Hoffmann
Paul-Heyse-Strasse 29
80336 München / DE
Application number, filing date14187450.302.10.2014
[2015/15]
Priority number, dateJP2013020825203.10.2013         Original published format: JP 2013208252
[2015/15]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP2857591
Date:08.04.2015
Language:EN
[2015/15]
Type: B1 Patent specification 
No.:EP2857591
Date:14.02.2024
Language:EN
[2024/07]
Search report(s)(Supplementary) European search report - dispatched on:EP02.03.2015
ClassificationIPC:F02D41/02, E02F9/22, E02F9/20, // E02F9/08, F01N3/20
[2023/03]
CPC:
E02F9/2066 (EP,US); E02F9/2246 (US); E02F3/283 (US);
E02F9/2278 (US); E02F9/2289 (EP,US); F01N11/00 (US);
F02D41/0097 (US); F02D41/0235 (EP,US); E02F9/0883 (EP,US);
F01N2550/05 (EP,US); F01N2590/08 (EP,US); F01N2610/02 (EP,US);
F01N2900/1814 (EP,US); F01N3/2066 (EP,US); F02D2200/101 (EP,US);
F02D2250/26 (EP,US); F02D2250/36 (EP,US); Y02A50/20 (EP,US) (-)
Former IPC [2015/15]E02F3/36, E02F9/20, F01N3/08, F02D41/02, F01N3/20, E02F9/22
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 [2015/47]
Former [2015/15]AL,  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 
TitleGerman:Reduzierung des Drehmoments einer Brennkraftmaschine im Fall eines niedrigen Harnstofffüllstands in einem Arbeitsfahrzeug mit einer selektiven Katalysatorreduktion[2023/06]
English:Torque reduction of an internal combustion engine in case of low level of urea in a work vehicle with selective catalyst reduction[2015/15]
French:Réduction du couple d'un moteur à combustion interne dans le cas où le niveau d'urée est faible dans un véhicule de travail pourvu d'une réduction catalytique sélective[2023/06]
Former [2015/15]Reduzierung des Brennkraftmaschinendrehmoments im Fall eines niedrigen Harnstoffsfüllstand in einem Arbeitsfahrzeug mit einer selektiven Katalysatorreduktion
Former [2015/15]Réduction du couple d'un moteur à combustion interne dans le cas où le niveau d'urée est faible dans un véhicule de travail pourvue d'une réduction catalytique sélective
Examination procedure08.10.2015Amendment by applicant (claims and/or description)
08.10.2015Examination requested  [2015/47]
03.04.2020Despatch of a communication from the examining division (Time limit: M04)
11.08.2020Reply to a communication from the examining division
04.02.2021Despatch of a communication from the examining division (Time limit: M04)
14.06.2021Reply to a communication from the examining division
09.02.2023Despatch of a communication from the examining division (Time limit: M04)
15.06.2023Reply to a communication from the examining division
31.08.2023Communication of intention to grant the patent
05.01.2024Fee for grant paid
05.01.2024Fee for publishing/printing paid
05.01.2024Receipt of the translation of the claim(s)
Opposition(s)15.11.2024No opposition filed within time limit [2025/04]
Fees paidRenewal fee
31.10.2016Renewal fee patent year 03
02.11.2017Renewal fee patent year 04
31.10.2018Renewal fee patent year 05
31.10.2019Renewal fee patent year 06
02.11.2020Renewal fee patent year 07
02.11.2021Renewal fee patent year 08
31.10.2022Renewal fee patent year 09
31.10.2023Renewal fee patent year 10
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Lapses during opposition  TooltipCY02.10.2014
HU02.10.2014
AT14.02.2024
BG14.02.2024
CZ14.02.2024
DK14.02.2024
EE14.02.2024
ES14.02.2024
FI14.02.2024
HR14.02.2024
IT14.02.2024
LT14.02.2024
LV14.02.2024
MC14.02.2024
NL14.02.2024
PL14.02.2024
RO14.02.2024
SI14.02.2024
SK14.02.2024
SM14.02.2024
NO14.05.2024
RS14.05.2024
GR15.05.2024
IS14.06.2024
PT14.06.2024
GB02.10.2024
IE02.10.2024
LU02.10.2024
BE31.10.2024
CH31.10.2024
FR31.10.2024
[2026/16]
Former [2026/10]CY02.10.2014
AT14.02.2024
BG14.02.2024
CZ14.02.2024
DK14.02.2024
EE14.02.2024
ES14.02.2024
FI14.02.2024
HR14.02.2024
IT14.02.2024
LT14.02.2024
LV14.02.2024
MC14.02.2024
NL14.02.2024
PL14.02.2024
RO14.02.2024
SI14.02.2024
SK14.02.2024
SM14.02.2024
NO14.05.2024
RS14.05.2024
GR15.05.2024
IS14.06.2024
PT14.06.2024
GB02.10.2024
IE02.10.2024
LU02.10.2024
BE31.10.2024
CH31.10.2024
FR31.10.2024
Former [2025/48]AT14.02.2024
BG14.02.2024
CZ14.02.2024
DK14.02.2024
EE14.02.2024
ES14.02.2024
FI14.02.2024
HR14.02.2024
IT14.02.2024
LT14.02.2024
LV14.02.2024
MC14.02.2024
NL14.02.2024
PL14.02.2024
RO14.02.2024
SI14.02.2024
SK14.02.2024
SM14.02.2024
NO14.05.2024
RS14.05.2024
GR15.05.2024
IS14.06.2024
PT14.06.2024
GB02.10.2024
IE02.10.2024
LU02.10.2024
BE31.10.2024
CH31.10.2024
FR31.10.2024
Former [2025/35]AT14.02.2024
BG14.02.2024
CZ14.02.2024
DK14.02.2024
EE14.02.2024
ES14.02.2024
FI14.02.2024
HR14.02.2024
IT14.02.2024
LT14.02.2024
LV14.02.2024
MC14.02.2024
NL14.02.2024
PL14.02.2024
RO14.02.2024
SI14.02.2024
SK14.02.2024
SM14.02.2024
NO14.05.2024
RS14.05.2024
GR15.05.2024
IS14.06.2024
PT14.06.2024
GB02.10.2024
LU02.10.2024
BE31.10.2024
CH31.10.2024
FR31.10.2024
Former [2025/34]AT14.02.2024
BG14.02.2024
CZ14.02.2024
DK14.02.2024
EE14.02.2024
ES14.02.2024
FI14.02.2024
HR14.02.2024
IT14.02.2024
LT14.02.2024
LV14.02.2024
MC14.02.2024
NL14.02.2024
PL14.02.2024
RO14.02.2024
SI14.02.2024
SK14.02.2024
SM14.02.2024
NO14.05.2024
RS14.05.2024
GR15.05.2024
IS14.06.2024
PT14.06.2024
GB02.10.2024
LU02.10.2024
BE31.10.2024
Former [2025/33]AT14.02.2024
BG14.02.2024
CZ14.02.2024
DK14.02.2024
EE14.02.2024
ES14.02.2024
FI14.02.2024
HR14.02.2024
IT14.02.2024
LT14.02.2024
LV14.02.2024
MC14.02.2024
NL14.02.2024
PL14.02.2024
RO14.02.2024
SI14.02.2024
SK14.02.2024
SM14.02.2024
NO14.05.2024
RS14.05.2024
GR15.05.2024
IS14.06.2024
PT14.06.2024
GB02.10.2024
Former [2025/22]AT14.02.2024
BG14.02.2024
CZ14.02.2024
DK14.02.2024
EE14.02.2024
ES14.02.2024
FI14.02.2024
HR14.02.2024
IT14.02.2024
LT14.02.2024
LV14.02.2024
NL14.02.2024
PL14.02.2024
RO14.02.2024
SI14.02.2024
SK14.02.2024
SM14.02.2024
NO14.05.2024
RS14.05.2024
GR15.05.2024
IS14.06.2024
PT14.06.2024
Former [2025/02]AT14.02.2024
BG14.02.2024
CZ14.02.2024
DK14.02.2024
EE14.02.2024
ES14.02.2024
FI14.02.2024
HR14.02.2024
IT14.02.2024
LT14.02.2024
LV14.02.2024
NL14.02.2024
PL14.02.2024
RO14.02.2024
SK14.02.2024
SM14.02.2024
NO14.05.2024
RS14.05.2024
GR15.05.2024
IS14.06.2024
PT14.06.2024
Former [2024/49]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
RO14.02.2024
SK14.02.2024
SM14.02.2024
NO14.05.2024
RS14.05.2024
GR15.05.2024
IS14.06.2024
PT14.06.2024
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
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
SM14.02.2024
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 [2024/34]BG14.02.2024
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[Y] EP2022954  (HITACHI CONSTRUCTION MACHINERY et al.)
 [Y] US2007016355  (KAMADO MITSUHIKO et al.) [Y] 1-5 * abstract * * paragraphs [0005] , [0087] *
 [Y] FR2930282  (RENAULT SAS et al.) [Y] 1-5 * abstract * * paragraphs [0167] - [0175] *
 [Y] EP2151528  (HITACHI CONSTRUCTION MACHINERY et al.) [Y] 1-5 * abstract *
 [Y] FR2961558  (PEUGEOT CITROEN AUTOMOBILES SA et al.) [Y] 1-5 * abstract * * paragraph [0004] *
 [Y] US2006184307  (KOSAKA YUJI et al.) [Y] 1-5 * abstract *
 [Y] US2012166062  (BALD HEIKO et al.) [Y] 1-5 * abstract * * paragraphs [0072] - [0075] *
ExaminationEP2022954
by applicantJP2002371831
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.