blank Quick help
blank Maintenance news

Scheduled maintenance

Regular maintenance outages:
between 05.00 and 05.15 hrs CET (Monday to Sunday).

Other outages
Availability

2022.02.11

More...
blank News flashes

Italy joins the Federated Register

Click here for more information on the Federated Register.

2025-06-12

More...
blank Related links

Release notes
European Patent Register Assistant
European Patent Register User Manual
European Patent Register – pocket guide
FAQ - European Patent Register
Federated Register (Flyer)
Global Dossier (Flyer)
Register events
Deep link coverage
Federated Register content
The Patent Information Tour
Fair use charter

Extract from the Register of European Patents

EP About this file: EP3412838

EP3412838 - WHEEL LOADER AND WHEEL LOADER CONTROL METHOD [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  10.09.2021
Database last updated on 11.04.2026
FormerThe patent has been granted
Status updated on  02.10.2020
FormerGrant of patent is intended
Status updated on  25.08.2020
FormerRequest for examination was made
Status updated on  09.11.2018
FormerThe international publication has been made
Status updated on  10.03.2018
Most recent event   Tooltip19.12.2025Lapse of the patent in a contracting state
New state(s): TR		published on 21.01.2026  [2026/04]
Applicant(s)For all designated states
Komatsu Ltd.
3-6, Akasaka 2-chome
Minato-ku
Tokyo 107-8414 / JP
[2018/50]
Inventor(s)01 / NAITO, Toru
c/o Komatsu Ltd.
2-3-6 Akasaka
Minato-ku
Tokyo 107-8414 / JP
 [2018/50]
Representative(s)Grünecker Patent- und Rechtsanwälte PartG mbB
Leopoldstraße 4
80802 München / DE
[2018/50]
Application number, filing date17846112.514.08.2017
[2018/50]
WO2017JP29271
Priority number, dateJP2016016949831.08.2016         Original published format: JP 2016169498
[2018/50]
Filing languageJA
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2018043104
Date:08.03.2018
Language:JA
[2018/10]
Type: A1 Application with search report 
No.:EP3412838
Date:12.12.2018
Language:EN
[2018/50]
Type: B1 Patent specification 
No.:EP3412838
Date:04.11.2020
Language:EN
[2020/45]
Search report(s)International search report - published on:JP08.03.2018
(Supplementary) European search report - dispatched on:EP29.07.2019
ClassificationIPC:E02F9/24, E02F9/20, E02F9/26, E02F3/42, E02F3/43, E02F9/08
[2019/35]
CPC:
E02F3/422 (EP,US); E02F3/431 (US); B60Q5/005 (US);
B60Q9/008 (US); E02F3/34 (US); E02F3/434 (EP,US);
E02F9/0858 (EP,US); E02F9/2004 (US); E02F9/2033 (US);
E02F9/24 (US); E02F9/262 (EP,US); E02F9/265 (US) (-)
Former IPC [2018/50]E02F9/24, E02F9/20, E02F9/26
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 [2018/50]
Extension statesBANot yet paid
MENot yet paid
Validation statesMANot yet paid
MDNot yet paid
TitleGerman:RADLADER UND RADLADERSTEUERUNGSVERFAHREN[2018/50]
English:WHEEL LOADER AND WHEEL LOADER CONTROL METHOD[2018/50]
French:CHARGEUSE SUR ROUES ET PROCÉDÉ DE COMMANDE DE CHARGEUSE SUR ROUES[2018/50]
Entry into regional phase04.09.2018Translation filed 
04.09.2018National basic fee paid 
04.09.2018Search fee paid 
04.09.2018Designation fee(s) paid 
04.09.2018Examination fee paid 
Examination proceduredeletedDate on which the examining division has become responsible
04.09.2018Examination requested  [2018/50]
24.02.2020Amendment by applicant (claims and/or description)
26.08.2020Communication of intention to grant the patent
24.09.2020Fee for grant paid
24.09.2020Fee for publishing/printing paid
24.09.2020Receipt of the translation of the claim(s)
Opposition(s)05.08.2021No opposition filed within time limit [2021/41]
Fees paidRenewal fee
27.08.2019Renewal fee patent year 03
27.08.2020Renewal fee patent year 04
Opt-out from the exclusive  Tooltip
competence of the Unified
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  TooltipHU14.08.2017
AL04.11.2020
AT04.11.2020
CY04.11.2020
CZ04.11.2020
DK04.11.2020
EE04.11.2020
ES04.11.2020
FI04.11.2020
HR04.11.2020
IT04.11.2020
LT04.11.2020
LV04.11.2020
MC04.11.2020
MK04.11.2020
MT04.11.2020
NL04.11.2020
PL04.11.2020
RO04.11.2020
RS04.11.2020
SI04.11.2020
SK04.11.2020
SM04.11.2020
TR04.11.2020
BG04.02.2021
NO04.02.2021
GR05.02.2021
IS04.03.2021
PT04.03.2021
[2026/04]
Former [2024/42]HU14.08.2017
AL04.11.2020
AT04.11.2020
CY04.11.2020
CZ04.11.2020
DK04.11.2020
EE04.11.2020
ES04.11.2020
FI04.11.2020
HR04.11.2020
IT04.11.2020
LT04.11.2020
LV04.11.2020
MC04.11.2020
MK04.11.2020
MT04.11.2020
NL04.11.2020
PL04.11.2020
RO04.11.2020
RS04.11.2020
SI04.11.2020
SK04.11.2020
SM04.11.2020
BG04.02.2021
NO04.02.2021
GR05.02.2021
IS04.03.2021
PT04.03.2021
Former [2024/23]HU14.08.2017
AL04.11.2020
AT04.11.2020
CY04.11.2020
CZ04.11.2020
DK04.11.2020
EE04.11.2020
ES04.11.2020
FI04.11.2020
HR04.11.2020
IT04.11.2020
LT04.11.2020
LV04.11.2020
MC04.11.2020
MK04.11.2020
NL04.11.2020
PL04.11.2020
RO04.11.2020
RS04.11.2020
SI04.11.2020
SK04.11.2020
SM04.11.2020
BG04.02.2021
NO04.02.2021
GR05.02.2021
IS04.03.2021
PT04.03.2021
Former [2023/33]HU14.08.2017
AL04.11.2020
AT04.11.2020
CY04.11.2020
CZ04.11.2020
DK04.11.2020
EE04.11.2020
ES04.11.2020
FI04.11.2020
HR04.11.2020
IT04.11.2020
LT04.11.2020
LV04.11.2020
MC04.11.2020
NL04.11.2020
PL04.11.2020
RO04.11.2020
RS04.11.2020
SI04.11.2020
SK04.11.2020
SM04.11.2020
BG04.02.2021
NO04.02.2021
GR05.02.2021
IS04.03.2021
PT04.03.2021
Former [2023/30]AL04.11.2020
AT04.11.2020
CY04.11.2020
CZ04.11.2020
DK04.11.2020
EE04.11.2020
ES04.11.2020
FI04.11.2020
HR04.11.2020
IT04.11.2020
LT04.11.2020
LV04.11.2020
MC04.11.2020
NL04.11.2020
PL04.11.2020
RO04.11.2020
RS04.11.2020
SI04.11.2020
SK04.11.2020
SM04.11.2020
BG04.02.2021
NO04.02.2021
GR05.02.2021
IS04.03.2021
PT04.03.2021
Former [2022/23]AL04.11.2020
AT04.11.2020
CZ04.11.2020
DK04.11.2020
EE04.11.2020
ES04.11.2020
FI04.11.2020
HR04.11.2020
IT04.11.2020
LT04.11.2020
LV04.11.2020
MC04.11.2020
NL04.11.2020
PL04.11.2020
RO04.11.2020
RS04.11.2020
SI04.11.2020
SK04.11.2020
SM04.11.2020
BG04.02.2021
NO04.02.2021
GR05.02.2021
IS04.03.2021
PT04.03.2021
Former [2022/18]AL04.11.2020
AT04.11.2020
CZ04.11.2020
DK04.11.2020
EE04.11.2020
ES04.11.2020
FI04.11.2020
HR04.11.2020
IT04.11.2020
LT04.11.2020
LV04.11.2020
MC04.11.2020
NL04.11.2020
PL04.11.2020
RO04.11.2020
RS04.11.2020
SI04.11.2020
SK04.11.2020
SM04.11.2020
BG04.02.2021
NO04.02.2021
GR05.02.2021
PT04.03.2021
Former [2022/10]AL04.11.2020
AT04.11.2020
CZ04.11.2020
DK04.11.2020
EE04.11.2020
ES04.11.2020
FI04.11.2020
HR04.11.2020
IT04.11.2020
LT04.11.2020
LV04.11.2020
NL04.11.2020
PL04.11.2020
RO04.11.2020
RS04.11.2020
SI04.11.2020
SK04.11.2020
SM04.11.2020
BG04.02.2021
NO04.02.2021
GR05.02.2021
PT04.03.2021
Former [2021/50]AL04.11.2020
AT04.11.2020
CZ04.11.2020
DK04.11.2020
EE04.11.2020
ES04.11.2020
FI04.11.2020
HR04.11.2020
IT04.11.2020
LT04.11.2020
LV04.11.2020
NL04.11.2020
PL04.11.2020
RO04.11.2020
RS04.11.2020
SI04.11.2020
SK04.11.2020
SM04.11.2020
BG04.02.2021
NO04.02.2021
GR05.02.2021
IS04.03.2021
PT04.03.2021
Former [2021/48]AL04.11.2020
AT04.11.2020
CZ04.11.2020
DK04.11.2020
EE04.11.2020
ES04.11.2020
FI04.11.2020
HR04.11.2020
IT04.11.2020
LT04.11.2020
LV04.11.2020
NL04.11.2020
PL04.11.2020
RO04.11.2020
RS04.11.2020
SK04.11.2020
SM04.11.2020
BG04.02.2021
NO04.02.2021
GR05.02.2021
IS04.03.2021
PT04.03.2021
Former [2021/46]AL04.11.2020
AT04.11.2020
CZ04.11.2020
DK04.11.2020
EE04.11.2020
ES04.11.2020
FI04.11.2020
HR04.11.2020
LT04.11.2020
LV04.11.2020
NL04.11.2020
PL04.11.2020
RO04.11.2020
RS04.11.2020
SK04.11.2020
SM04.11.2020
BG04.02.2021
NO04.02.2021
GR05.02.2021
IS04.03.2021
PT04.03.2021
Former [2021/45]AL04.11.2020
AT04.11.2020
CZ04.11.2020
DK04.11.2020
EE04.11.2020
ES04.11.2020
FI04.11.2020
HR04.11.2020
LT04.11.2020
LV04.11.2020
PL04.11.2020
RO04.11.2020
RS04.11.2020
SK04.11.2020
SM04.11.2020
BG04.02.2021
NO04.02.2021
GR05.02.2021
IS04.03.2021
PT04.03.2021
Former [2021/37]AT04.11.2020
CZ04.11.2020
DK04.11.2020
EE04.11.2020
ES04.11.2020
FI04.11.2020
HR04.11.2020
LT04.11.2020
LV04.11.2020
PL04.11.2020
RO04.11.2020
RS04.11.2020
SK04.11.2020
SM04.11.2020
BG04.02.2021
NO04.02.2021
GR05.02.2021
IS04.03.2021
PT04.03.2021
Former [2021/36]AT04.11.2020
CZ04.11.2020
EE04.11.2020
ES04.11.2020
FI04.11.2020
HR04.11.2020
LT04.11.2020
LV04.11.2020
PL04.11.2020
RO04.11.2020
RS04.11.2020
SK04.11.2020
SM04.11.2020
BG04.02.2021
NO04.02.2021
GR05.02.2021
IS04.03.2021
PT04.03.2021
Former [2021/35]AT04.11.2020
CZ04.11.2020
ES04.11.2020
FI04.11.2020
HR04.11.2020
LT04.11.2020
LV04.11.2020
PL04.11.2020
RO04.11.2020
RS04.11.2020
SK04.11.2020
SM04.11.2020
BG04.02.2021
NO04.02.2021
GR05.02.2021
IS04.03.2021
PT04.03.2021
Former [2021/33]AT04.11.2020
ES04.11.2020
FI04.11.2020
HR04.11.2020
LT04.11.2020
LV04.11.2020
PL04.11.2020
RS04.11.2020
SM04.11.2020
BG04.02.2021
NO04.02.2021
GR05.02.2021
IS04.03.2021
PT04.03.2021
Former [2021/32]AT04.11.2020
ES04.11.2020
FI04.11.2020
HR04.11.2020
LV04.11.2020
PL04.11.2020
RS04.11.2020
SM04.11.2020
BG04.02.2021
NO04.02.2021
GR05.02.2021
IS04.03.2021
PT04.03.2021
Former [2021/28]AT04.11.2020
ES04.11.2020
FI04.11.2020
HR04.11.2020
LV04.11.2020
PL04.11.2020
RS04.11.2020
BG04.02.2021
NO04.02.2021
GR05.02.2021
IS04.03.2021
PT04.03.2021
Former [2021/25]AT04.11.2020
ES04.11.2020
FI04.11.2020
LV04.11.2020
PL04.11.2020
RS04.11.2020
BG04.02.2021
NO04.02.2021
GR05.02.2021
IS04.03.2021
PT04.03.2021
Former [2021/23]AT04.11.2020
FI04.11.2020
LV04.11.2020
RS04.11.2020
BG04.02.2021
NO04.02.2021
GR05.02.2021
PT04.03.2021
Former [2021/22]FI04.11.2020
RS04.11.2020
NO04.02.2021
PT04.03.2021
Former [2021/21]FI04.11.2020
PT04.03.2021
Former [2021/20]FI04.11.2020
Documents cited:Search[YA] JPH1088625  (KOMATSU MFG CO LTD et al.) [Y] 1,2,6-8,10,12-16 * the whole document *[A] 3-5,9,11
 [YA] JP2008144378  (CATERPILLAR MITSUBISHI LTD et al.) [Y] 1,2,6-8,10,12-16 * the whole document *[A] 3-5,9,11
International search[YA] JPH1088625  (KOMATSU MFG CO LTD et al.) [Y] 1-2, 6-8, 10, 12-16 * , paragraphs [0007] to [0008], [0017] to [0065]; fig. 1 & US 6247538 B1 column 1, line 64 to column 2, line 6; column 3, line 32 to column 8, line 47; fig. 1 & WO 1998/011305 A1 & AU 4220697 A *[A] 3-5, 9, 11
 [Y] JP2008144378  (CATERPILLAR MITSUBISHI LTD et al.) [Y] 1-2, 6-8, 10, 12-16 * , paragraphs [0025], [0067]; fig. 1 (Family: none) *
 [Y] JP2006195877  (HITACHI CONSTRUCTION MACHINERY et al.) [Y] 7, 10, 12-15 * , paragraphs [0066], [0098] (Family: none) *
 [Y] JP2003184131  (HITACHI CONSTRUCTION MACHINERY et al.) [Y] 8, 10, 12-15 * , paragraphs [0081] to [0085] (Family: none) *
 [Y] JPH06193098  (KOMATSU MFG CO LTD et al.) [Y] 10, 12-15 * , paragraphs [0012] to [0027] (Family: none) *
 [Y] JPH101968  (HITACHI CONSTRUCTION MACHINERY et al.) [Y] 12, 13, 15 * , paragraphs [0052] to [0053] (Family: none) *
 [Y] JP2007023486  (CATERPILLAR MITSUBISHI LTD et al.) [Y] 12, 14, 15 * , paragraphs [0009] to [0011] (Family: none) *
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.