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Extract from the Register of European Patents

EP About this file: EP4136396

EP4136396 - TUBULAR SHELL HEAT EXCHANGER WITH CROSS FLOW [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  14.02.2025
Database last updated on 24.03.2026
FormerThe patent has been granted
Status updated on  08.03.2024
FormerGrant of patent is intended
Status updated on  11.10.2023
FormerRequest for examination was made
Status updated on  20.01.2023
FormerThe international publication has been made
Status updated on  14.06.2022
Formerunknown
Status updated on  11.01.2021
Most recent event   Tooltip24.10.2025Lapse of the patent in a contracting state
New state(s): CH, IE		published on 26.11.2025  [2025/48]
Applicant(s)For all designated states
Vysoké Uceni Technické V Brne
Antoninská 1
601 90 Brno / CZ
[2023/08]
Inventor(s)01 / KLEMES, Jirí
621 00 Brno / CZ
02 / VARBANOV, Petar Sabev
Sorompó 8200 / HU
03 / HEMZAL, Milan
602 00 Brno / CZ
 [2023/08]
Representative(s)Malusek, Jiri
Kania, Sedlak, Smola - Patent Attorney
Mendlovo namesti 1a
603 00 Brno / CZ
[2023/08]
Application number, filing date20829310.001.12.2020
[2023/08]
WO2020CZ00052
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2022117129
Date:09.06.2022
Language:EN
[2022/23]
Type: A1 Application with search report 
No.:EP4136396
Date:22.02.2023
Language:EN
The application published by WIPO in one of the EPO official languages on 09.06.2022 takes the place of the publication of the European patent application.
[2023/08]
Type: B1 Patent specification 
No.:EP4136396
Date:10.04.2024
Language:EN
[2024/15]
Search report(s)International search report - published on:EP09.06.2022
ClassificationIPC:F28D7/16, F28F9/013, F28F9/22, F28F9/24, F28F19/00
[2023/08]
CPC:
F28D7/1607 (EP); F28D21/0001 (EP); F28F9/013 (EP);
F28F9/0132 (EP); F28F9/0275 (EP); F28F9/22 (EP);
F28F9/24 (EP); F28D7/0075 (EP); F28F19/00 (EP);
F28F2009/228 (EP); F28F2250/106 (EP); F28F2265/28 (EP);
F28F2265/30 (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 [2023/08]  
Extension statesBANot yet paid
MENot yet paid
Validation statesKHNot yet paid
MANot yet paid
MDNot yet paid
TNNot yet paid
TitleGerman:QUERSTROM-ROHRBÜNDELWÄRMETAUSCHER[2023/41]
English:TUBULAR SHELL HEAT EXCHANGER WITH CROSS FLOW[2023/08]
French:ÉCHANGEUR DE CHALEUR À FAISCEAU TUBULAIRE À ÉCOULEMENT TRANSVERSAL[2023/41]
Former [2023/08]ROHRBÜNDELWÄRMETAUSCHER MIT QUERSTRÖMUNG
Former [2023/08]ÉCHANGEUR DE CHALEUR À COQUE TUBULAIRE ET À ÉCOULEMENT TRANSVERSAL
Entry into regional phase18.11.2022National basic fee paid 
18.11.2022Designation fee(s) paid 
18.11.2022Examination fee paid 
Examination procedure18.11.2022Examination requested  [2023/08]
18.11.2022Date on which the examining division has become responsible
12.12.2022Amendment by applicant (claims and/or description)
12.10.2023Communication of intention to grant the patent
08.12.2023Fee for grant paid
08.12.2023Fee for publishing/printing paid
08.12.2023Receipt of the translation of the claim(s)
Opposition(s)13.01.2025No opposition filed within time limit [2025/12]
Fees paidRenewal fee
18.11.2022Renewal fee patent year 03
05.03.2024Renewal fee patent year 04
Penalty fee
Additional fee for renewal fee
31.12.202304   M06   Fee paid on   05.03.2024
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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  TooltipCZ10.04.2024
ES10.04.2024
HR10.04.2024
MC10.04.2024
PL10.04.2024
RO10.04.2024
SK10.04.2024
SM10.04.2024
NO10.07.2024
RS10.07.2024
GR11.07.2024
IS10.08.2024
GB01.12.2024
IE01.12.2024
CH31.12.2024
[2025/48]
Unitary Patent31.12.2024
Former [2025/47]CZ10.04.2024
ES10.04.2024
HR10.04.2024
MC10.04.2024
PL10.04.2024
RO10.04.2024
SK10.04.2024
SM10.04.2024
NO10.07.2024
RS10.07.2024
GR11.07.2024
IS10.08.2024
GB01.12.2024
Former [2025/44]CZ10.04.2024
ES10.04.2024
HR10.04.2024
MC10.04.2024
PL10.04.2024
RO10.04.2024
SK10.04.2024
SM10.04.2024
NO10.07.2024
RS10.07.2024
GR11.07.2024
IS10.08.2024
Former [2025/33]CZ10.04.2024
ES10.04.2024
HR10.04.2024
MC10.04.2024
PL10.04.2024
RO10.04.2024
SK10.04.2024
SM10.04.2024
NO10.07.2024
RS10.07.2024
GR11.07.2024
IS10.08.2024
Former [2025/10]CZ10.04.2024
ES10.04.2024
HR10.04.2024
PL10.04.2024
RO10.04.2024
SK10.04.2024
SM10.04.2024
NO10.07.2024
RS10.07.2024
GR11.07.2024
IS10.08.2024
Former [2024/49]ES10.04.2024
HR10.04.2024
PL10.04.2024
NO10.07.2024
RS10.07.2024
GR11.07.2024
IS10.08.2024
Former [2024/48]ES10.04.2024
HR10.04.2024
NO10.07.2024
GR11.07.2024
IS10.08.2024
Former [2024/47]HR10.04.2024
NO10.07.2024
GR11.07.2024
IS10.08.2024
Former [2024/46]HR10.04.2024
NO10.07.2024
IS10.08.2024
Cited inInternational search[A] JPH05296680  (TOSHIBA CORP et al.)
 [A] US5255737  (GENTRY CECIL C et al.) [A] 1-3 * abstract *
 [A] US4204570  (EISINGER FRANTISEK L et al.) [A] 1 * column 2, line 38 - column 4, line 22; figures 1-6 *
 [A] DE930146  (ATLAS WERKE AG et al.) [A] 1 * column 2, line 66 - column 4, line 32; figures 1, 2, 8 * * column 5, lines 43-46 *
 [A] US3998268  (SAGAN STANLEY S et al.) [A] 1 * the whole document *
 [A] US3813749  (PEAKE C et al.) [A] 1 * abstract *
 [A] US2019120559  (STEINBAUER MANFRED et al.) [A] 1 * the whole document *
 [A] US5477846  (CAMERON GORDON M et al.) [A] 1 * paragraphs [0036] - [0043]; figures 1, 2 *
 [A] US4625792  (BEENHAKKER HENK et al.) [A] 1 * figure 3 *
 [A] US2016290742  (OKIMOTO TAKAHIRO et al.) [A] 1 * figures 1, 2, 4 *
 [A] WO2020122733  (FUTURE TECH AS et al.) [A] 2,3 * abstract *
by applicantCN206094996
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.