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Extract from the Register of European Patents

EP About this file: EP4108987

EP4108987 - CONDENSING BOILER FOR PURIFYING EXHAUST GAS [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  07.03.2025
Database last updated on 28.03.2026
FormerThe patent has been granted
Status updated on  29.03.2024
FormerGrant of patent is intended
Status updated on  03.12.2023
FormerRequest for examination was made
Status updated on  25.11.2022
FormerThe international publication has been made
Status updated on  02.10.2021
Most recent event   Tooltip17.10.2025Lapse of the patent in a contracting state
New state(s): MC		published on 19.11.2025  [2025/47]
Applicant(s)For all designated states
Kim, Gwang Su
122, Ssangbong-ro
Yeosu-si, Jeollanam-do 59679 / KR
[2024/18]
Former [2022/52]For all designated states
Kim, Gwang Su
122, Ssangbong-ro
Yeosu-si
Jeollanam-do 59679 / KR
Inventor(s)01 / see applicant
...
 [2022/52]
Representative(s)RGTH
Patentanwälte PartGmbB
Neuer Wall 10
20354 Hamburg / DE
[2022/52]
Application number, filing date21774768.218.03.2021
[2022/52]
WO2021KR03326
Priority number, dateKR2020003511523.03.2020         Original published format: KR 20200035115
[2022/52]
Filing languageKO
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2021194157
Date:30.09.2021
Language:KO
[2021/39]
Type: A1 Application with search report 
No.:EP4108987
Date:28.12.2022
Language:EN
[2022/52]
Type: B1 Patent specification 
No.:EP4108987
Date:01.05.2024
Language:EN
[2024/18]
Search report(s)International search report - published on:KR30.09.2021
(Supplementary) European search report - dispatched on:EP31.07.2023
ClassificationIPC:F23J15/02, F23J15/00, F24H8/00, F24H9/00
[2022/52]
CPC:
F23J15/02 (EP); F23J15/025 (KR); F23J15/003 (EP,KR);
F24H8/00 (KR); F24H8/006 (EP); F24H9/0005 (KR);
F23J2215/101 (EP); F23J2215/40 (EP); F23J2217/10 (KR);
F23J2219/10 (EP,KR); Y02B30/00 (EP) (-)
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 [2022/52]  
Extension statesBANot yet paid
MENot yet paid
Validation statesKHNot yet paid
MANot yet paid
MDNot yet paid
TNNot yet paid
TitleGerman:BRENNWERTKESSEL ZUR ABGASREINIGUNG[2022/52]
English:CONDENSING BOILER FOR PURIFYING EXHAUST GAS[2022/52]
French:CHAUDIÈRE À CONDENSATION POUR PURIFIER LES GAZ D'ÉCHAPPEMENT[2022/52]
Entry into regional phase23.09.2022Translation filed 
23.09.2022National basic fee paid 
23.09.2022Search fee paid 
23.09.2022Designation fee(s) paid 
23.09.2022Examination fee paid 
Examination procedure23.09.2022Examination requested  [2022/52]
31.07.2023Date on which the examining division has become responsible
04.12.2023Communication of intention to grant the patent
19.03.2024Fee for grant paid
19.03.2024Fee for publishing/printing paid
19.03.2024Receipt of the translation of the claim(s)
Opposition(s)04.02.2025No opposition filed within time limit [2025/15]
Fees paidRenewal fee
31.03.2023Renewal fee patent year 03
22.03.2024Renewal fee patent year 04
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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  TooltipCZ01.05.2024
ES01.05.2024
HR01.05.2024
MC01.05.2024
PL01.05.2024
RO01.05.2024
SK01.05.2024
SM01.05.2024
NO01.08.2024
RS01.08.2024
GR02.08.2024
IS01.09.2024
[2025/47]
Former [2025/11]CZ01.05.2024
ES01.05.2024
HR01.05.2024
PL01.05.2024
RO01.05.2024
SK01.05.2024
SM01.05.2024
NO01.08.2024
RS01.08.2024
GR02.08.2024
IS01.09.2024
Former [2024/50]ES01.05.2024
HR01.05.2024
PL01.05.2024
NO01.08.2024
RS01.08.2024
GR02.08.2024
IS01.09.2024
Former [2024/48]ES01.05.2024
HR01.05.2024
NO01.08.2024
GR02.08.2024
IS01.09.2024
Documents cited:Search[A] DE9314200  (VAILLANT JOH GMBH & CO et al.) [A] 1 * page 1, line 1 - line 2; figures 1-3 * * page 2, line 20 - line 23 * * page 3, line 9 - page 4, line 15 *
International search[A] KR101989176  (KIM KWANG SOO et al.) [A] 1-3 * See paragraphs [0011] and [0027] and figure 2. *
 [A] KR101040213   [A] 1-3 * See paragraphs [0024]-[0025] and [0028] and figures 1-3. *
 [A] JP2013202600  (OSAKA GAS CO LTD et al.) [A] 1-3 * See paragraphs [0033]-[0038] and figure 2. *
 [A] KR20170137567  (MFTKOREA CO LTD et al.) [A] 1-3 * See paragraphs [0052]-[0072] and figures 1-3b. *
 [A] CN203310092  (DEZHOU JUCHUANG HEAT EXCHANGER MFG CO LTD et al.) [A] 1-3 * See paragraph [0014] and figure 1. *
 [PX] KR102163802  (KIM KWANG SOO et al.) [PX] 1-3 * See claims 1-3. * * (This document is a published earlier application that serves as a basis for claiming priority of the present international application.) *
by applicantKR100751209
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.