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Extract from the Register of European Patents

EP About this file: EP3779343

EP3779343 - VIBRATION ISOLATION STRUCTURE OF LINEAR OSCILLATORY MOTOR AND STIRLING ENGINE [Right-click to bookmark this link]
StatusThe patent has been granted
Status updated on  02.05.2025
Database last updated on 14.03.2026
FormerGrant of patent is intended
Status updated on  17.11.2024
FormerExamination is in progress
Status updated on  10.11.2022
FormerRequest for examination was made
Status updated on  15.01.2021
FormerThe international publication has been made
Status updated on  12.10.2019
Most recent event   Tooltip30.01.2026Lapse of the patent in a contracting state
New state(s): EE, IT, RO, SK		published on 04.03.2026  [2026/10]
Applicant(s)For all designated states
Ningbo China Stirling Engine Manufacturing Co., Ltd
No. 1958, Jiangnan Road
Gaoxin District
Ningbo, Zhejiang 315040 / CN
[2025/23]
Former [2021/07]For all designated states
Ningbo China Stirling Engine Manufacturing Co., Ltd
No. 1958, Jiangnan Road
Gaoxin District
Ningbo, Zhejiang 315040 / CN
Inventor(s)01 / CHENG, Lu
No. 1958
Jiangnan Road
Gaoxin District
Zhejiang 315040 / CN
 [2021/07]
Representative(s)Chung, Hoi Kan
Mandarin IP Limited
7 Cherry Trees
Great Shelford
Cambridge CB22 5XA / GB
[2025/23]
Former [2021/07]Hanna Moore + Curley
Garryard House
25-26 Earlsfort Terrace
Dublin 2, D02 PX51 / IE
Application number, filing date19781502.001.04.2019
[2021/07]
WO2019CN80900
Priority number, dateCN20181028359002.04.2018         Original published format: CN201810283590
[2021/07]
Filing languageZH
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2019192437
Date:10.10.2019
Language:ZH
[2019/41]
Type: A1 Application with search report 
No.:EP3779343
Date:17.02.2021
Language:EN
[2021/07]
Type: B1 Patent specification 
No.:EP3779343
Date:04.06.2025
Language:EN
[2025/23]
Search report(s)International search report - published on:CN10.10.2019
(Supplementary) European search report - dispatched on:EP11.05.2021
ClassificationIPC:F28D11/00, F16F15/067, F16F15/08
[2021/23]
CPC:
F02G1/053 (EP,CN,US); F16F15/06 (EP,US); F16F15/085 (EP,US);
H02K5/24 (US); F02G2243/02 (US); F02G2275/10 (EP,CN,US);
F16F2230/007 (EP); F16F2230/36 (EP); F16F2238/026 (EP);
F25B2500/13 (US); F25D23/006 (US) (-)
Former IPC [2021/07]F28D11/00
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 [2021/07]
Extension statesBANot yet paid
MENot yet paid
Validation statesKHNot yet paid
MANot yet paid
MDNot yet paid
TNNot yet paid
TitleGerman:SCHWINGUNGSISOLIERUNGSSTRUKTUR EINES LINEAREN SCHWINGUNGSMOTORS UND EINES STIRLINGMOTORS[2021/07]
English:VIBRATION ISOLATION STRUCTURE OF LINEAR OSCILLATORY MOTOR AND STIRLING ENGINE[2021/07]
French:STRUCTURE D'ISOLATION DES VIBRATIONS DE MOTEUR ÉLECTRIQUE OSCILLANT LINÉAIRE ET MOTEUR STIRLING[2021/07]
Entry into regional phase30.10.2020Translation filed 
30.10.2020National basic fee paid 
30.10.2020Search fee paid 
30.10.2020Designation fee(s) paid 
30.10.2020Examination fee paid 
Examination procedure30.10.2020Examination requested  [2021/07]
29.11.2021Amendment by applicant (claims and/or description)
09.11.2022Despatch of a communication from the examining division (Time limit: M04)
17.03.2023Reply to a communication from the examining division
18.11.2024Communication 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)
Fees paidRenewal fee
30.10.2020Renewal fee patent year 03
31.03.2022Renewal fee patent year 04
29.03.2023Renewal fee patent year 05
29.04.2024Renewal fee patent year 06
28.04.2025Renewal fee patent year 07
Opt-out from the exclusive  Tooltip
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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  TooltipAT04.06.2025
BG04.06.2025
CZ04.06.2025
EE04.06.2025
ES04.06.2025
FI04.06.2025
HR04.06.2025
IT04.06.2025
LV04.06.2025
NL04.06.2025
PL04.06.2025
RO04.06.2025
SK04.06.2025
SM04.06.2025
NO04.09.2025
RS04.09.2025
GR05.09.2025
IS04.10.2025
PT06.10.2025
[2026/10]
Former [2026/09]AT04.06.2025
BG04.06.2025
CZ04.06.2025
ES04.06.2025
FI04.06.2025
HR04.06.2025
LV04.06.2025
NL04.06.2025
PL04.06.2025
SM04.06.2025
NO04.09.2025
RS04.09.2025
GR05.09.2025
IS04.10.2025
PT06.10.2025
Former [2026/08]AT04.06.2025
BG04.06.2025
ES04.06.2025
FI04.06.2025
HR04.06.2025
LV04.06.2025
NL04.06.2025
PL04.06.2025
SM04.06.2025
NO04.09.2025
RS04.09.2025
GR05.09.2025
IS04.10.2025
PT06.10.2025
Former [2026/07]BG04.06.2025
ES04.06.2025
FI04.06.2025
HR04.06.2025
LV04.06.2025
NL04.06.2025
PL04.06.2025
NO04.09.2025
RS04.09.2025
GR05.09.2025
IS04.10.2025
PT06.10.2025
Former [2026/03]BG04.06.2025
ES04.06.2025
FI04.06.2025
HR04.06.2025
LV04.06.2025
NL04.06.2025
PL04.06.2025
NO04.09.2025
RS04.09.2025
GR05.09.2025
PT06.10.2025
Former [2025/52]BG04.06.2025
ES04.06.2025
FI04.06.2025
HR04.06.2025
LV04.06.2025
NL04.06.2025
PL04.06.2025
NO04.09.2025
RS04.09.2025
GR05.09.2025
Former [2025/49]BG04.06.2025
ES04.06.2025
FI04.06.2025
HR04.06.2025
LV04.06.2025
PL04.06.2025
NO04.09.2025
RS04.09.2025
GR05.09.2025
Former [2025/48]BG04.06.2025
ES04.06.2025
FI04.06.2025
HR04.06.2025
PL04.06.2025
NO04.09.2025
RS04.09.2025
GR05.09.2025
Former [2025/47]BG04.06.2025
ES04.06.2025
FI04.06.2025
PL04.06.2025
NO04.09.2025
GR05.09.2025
Former [2025/46]ES04.06.2025
FI04.06.2025
Documents cited:Search[XY] US1554501  (HORLE LAWRENCE C F et al.) [X] 1,5 * figure - *[Y] 6,7,9-15
 [YA] CN205402178  (CHINA STIRLING ENGINE MFG LTD et al.) [Y] 6,7,9-15 * figures 1, 2 *[A] 2-4,8
 [A] JP2006017432  (TSUIN BADO KOGYO KK et al.) [A] 1 * figure - *
 [A] EP1596144  (TSUIN BADO KOGYO KK et al.) [A] 1 * figure - *
International search[A] CN205402178  (CHINA STIRLING ENGINE MFG LTD et al.)
 [A] CN108301937  (CHINA STIRLING ENGINE MFG LTD et al.) [A] 1-16 * description, paragraphs 0025-0036, and figures 1-3 *
 [A] CN100376780  (MICROGEN ENERGY LTD et al.) [A] 1-16 * entire document *
 [A] CN207064536  (CHINA STIRLING ENGINE MFG LTD et al.) [A] 1-16 * entire document *
 [A] JP2006017432  (TSUIN BADO KOGYO KK et al.) [A] 1-16 * entire document *
 [A] CN100578007  (MICROGEN ENERGY LTD et al.) [A] 1-16 * entire document *
 [A] CN100420896  (TSUIN BADO KOGYO KK et al.) [A] 1-16 * entire document *
 [A] CN204361829  (CHINA STIRLING ENGINE MFG LTD et al.) [A] 1-16 * entire document *
by applicantJP2003311859
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.