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Extract from the Register of European Patents

EP About this file: EP4112936

EP4112936 - PLUNGER PUMP AND LIQUID BLOW MOLDING DEVICE [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  16.01.2026
Database last updated on 30.03.2026
FormerThe patent has been granted
Status updated on  07.02.2025
FormerGrant of patent is intended
Status updated on  30.10.2024
FormerRequest for examination was made
Status updated on  02.12.2022
FormerThe international publication has been made
Status updated on  03.09.2021
Most recent event   Tooltip16.01.2026Lapse of the patent in a contracting state
New state(s): DK		published on 18.02.2026  [2026/08]
16.01.2026No opposition filed within time limitpublished on 18.02.2026  [2026/08]
Applicant(s)For all designated states
Yoshino Kogyosho Co., Ltd.
2-6, Ojima 3-chome
Koto-ku
Tokyo 136-8531 / JP
[2023/01]
Inventor(s)01 / HOSHINO, Hideaki
c/o YOSHINO KOGYOSHO CO., LTD., KANAGAWA
TECHNICAL CENTER, 380, Sannomiya
Isehara-shi, Kanagawa 259-1103 / JP
02 / OKUYAMA, Yuichi
c/o YOSHINO KOGYOSHO CO., LTD., FUNDAMENTAL
TECHNOLOGY & RESEARCH CENTER, 380, Sannomiya
Isehara-shi, Kanagawa 259-1103 / JP
 [2023/01]
Representative(s)Murgitroyd & Company
165-169 Scotland Street
Glasgow G5 8PL / GB
[2025/11]
Former [2023/01]Murgitroyd & Company
Murgitroyd House
165-169 Scotland Street
Glasgow G5 8PL / GB
Application number, filing date21760739.928.01.2021
[2023/01]
WO2021JP03079
Priority number, dateJP2020003436728.02.2020         Original published format: JP 2020034367
[2023/01]
Filing languageJA
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2021171893
Date:02.09.2021
Language:JA
[2021/35]
Type: A1 Application with search report 
No.:EP4112936
Date:04.01.2023
Language:EN
[2023/01]
Type: B1 Patent specification 
No.:EP4112936
Date:12.03.2025
Language:EN
[2025/11]
Search report(s)International search report - published on:JP02.09.2021
(Supplementary) European search report - dispatched on:EP05.03.2024
ClassificationIPC:F04B53/00, B29C49/42, B29C49/46, F04B15/02, F04B15/04
[2024/14]
CPC:
F04B53/143 (EP); F04B53/162 (EP,US); B29C49/42 (EP,US);
B29C49/42403 (EP,US); B29C49/42808 (EP,US); B29C49/46 (EP,US);
B29C49/58 (EP,US); F04B15/02 (EP); F04B15/04 (EP);
F04B19/22 (US); F04B53/008 (EP); F04B53/14 (US);
B29C2049/465 (EP); B29C2049/4664 (EP,US); B29C2949/0715 (EP);
B29C49/28 (US); B29K2023/12 (EP,US); B29K2067/003 (US);
B29L2031/7158 (US) (-)
Former IPC [2023/01]F04B53/00, B29C49/42, B29C49/46
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 [2023/01]
Extension statesBANot yet paid
MENot yet paid
Validation statesKHNot yet paid
MANot yet paid
MDNot yet paid
TNNot yet paid
TitleGerman:KOLBENPUMPE UND FLÜSSIGKEITSBLASFORMVORRICHTUNG[2023/01]
English:PLUNGER PUMP AND LIQUID BLOW MOLDING DEVICE[2023/01]
French:POMPE À PISTON ET DISPOSITIF DE MOULAGE PAR SOUFFLAGE DE LIQUIDE[2023/01]
Entry into regional phase18.08.2022Translation filed 
18.08.2022National basic fee paid 
18.08.2022Search fee paid 
18.08.2022Designation fee(s) paid 
18.08.2022Examination fee paid 
Examination procedure18.08.2022Examination requested  [2023/01]
24.04.2024Amendment by applicant (claims and/or description)
24.04.2024Date on which the examining division has become responsible
30.10.2024Communication of intention to grant the patent
16.12.2024Fee for grant paid
16.12.2024Fee for publishing/printing paid
16.12.2024Receipt of the translation of the claim(s)
Opposition(s)15.12.2025No opposition filed within time limit [2026/08]
Fees paidRenewal fee
31.01.2023Renewal fee patent year 03
24.01.2024Renewal fee patent year 04
30.01.2025Renewal fee patent year 05
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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  TooltipAT12.03.2025
BG12.03.2025
CZ12.03.2025
DK12.03.2025
EE12.03.2025
ES12.03.2025
FI12.03.2025
HR12.03.2025
IT12.03.2025
LV12.03.2025
NL12.03.2025
PL12.03.2025
RO12.03.2025
SE12.03.2025
SK12.03.2025
SM12.03.2025
NO12.06.2025
RS12.06.2025
GR13.06.2025
IS12.07.2025
PT14.07.2025
[2026/08]
Former [2025/49]AT12.03.2025
BG12.03.2025
CZ12.03.2025
EE12.03.2025
ES12.03.2025
FI12.03.2025
HR12.03.2025
IT12.03.2025
LV12.03.2025
NL12.03.2025
PL12.03.2025
RO12.03.2025
SE12.03.2025
SK12.03.2025
SM12.03.2025
NO12.06.2025
RS12.06.2025
GR13.06.2025
IS12.07.2025
PT14.07.2025
Former [2025/48]AT12.03.2025
BG12.03.2025
CZ12.03.2025
EE12.03.2025
ES12.03.2025
FI12.03.2025
HR12.03.2025
IT12.03.2025
LV12.03.2025
NL12.03.2025
PL12.03.2025
SE12.03.2025
SM12.03.2025
NO12.06.2025
RS12.06.2025
GR13.06.2025
PT14.07.2025
Former [2025/47]BG12.03.2025
ES12.03.2025
FI12.03.2025
HR12.03.2025
IT12.03.2025
LV12.03.2025
NL12.03.2025
PL12.03.2025
SE12.03.2025
SM12.03.2025
NO12.06.2025
RS12.06.2025
GR13.06.2025
PT14.07.2025
Former [2025/46]BG12.03.2025
ES12.03.2025
FI12.03.2025
HR12.03.2025
LV12.03.2025
NL12.03.2025
SE12.03.2025
SM12.03.2025
NO12.06.2025
RS12.06.2025
GR13.06.2025
PT14.07.2025
Former [2025/42]BG12.03.2025
ES12.03.2025
FI12.03.2025
HR12.03.2025
LV12.03.2025
NL12.03.2025
SE12.03.2025
NO12.06.2025
RS12.06.2025
GR13.06.2025
Former [2025/39]BG12.03.2025
ES12.03.2025
FI12.03.2025
HR12.03.2025
LV12.03.2025
NL12.03.2025
NO12.06.2025
RS12.06.2025
GR13.06.2025
Former [2025/35]BG12.03.2025
ES12.03.2025
FI12.03.2025
HR12.03.2025
LV12.03.2025
NO12.06.2025
RS12.06.2025
GR13.06.2025
Former [2025/34]ES12.03.2025
FI12.03.2025
HR12.03.2025
LV12.03.2025
NO12.06.2025
RS12.06.2025
Former [2025/33]ES12.03.2025
FI12.03.2025
RS12.06.2025
Documents cited:Search[A] US2008193299  (OGLESBY KENNETH DOYLE et al.) [A] 1-6 * paragraphs [0026] , [0029] , [0040] * * figures 1-4,6 *
 [A] DE10306476  (SCHUERMANN ERICH et al.) [A] 1-6 * paragraphs [0008] , [0028] * * figures 1-5 *
 [A] KR20080020452  (MAN DIESEL SE et al.) [A] 1-6 * the whole document *
International search[A] JP2011012591  (IWASHITA ENG INC et al.) [A] 1-6 * 0 0 0 9 - 0 0 1, 1 - 7 *
 [A] JPH0223272  (FUJI PHOTO FILM CO LTD et al.) [A] 1-6 * 3 16 7 1 *
 [A] JP2008164301  (FIAMO KK et al.) [A] 1-6 * 0017-0052,1-2 *
 [A] JP2007287831  (DAINIPPON SCREEN MFG et al.) [A] 1-6 * 0042-0054,4 *
 [A] JP2017501940  (ディスクマ アクチェンゲゼルシャフト) [A] 1-6
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.