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Extract from the Register of European Patents

EP About this file: EP4533012

EP4533012 - METHOD FOR RECOVERING HEAT FROM A DRYING DEVICE FOR BUILDING BOARDS [Right-click to bookmark this link]
StatusGrant of patent is intended
Status updated on  26.11.2025
Database last updated on 21.03.2026
FormerRequest for examination was made
Status updated on  07.03.2025
FormerThe international publication has been made
Status updated on  01.12.2023
Formerunknown
Status updated on  14.06.2023
Most recent event   Tooltip21.03.2026New entry: Payment of fee for grant 
21.03.2026New entry: Payment of fee for publishing/printing 
Applicant(s)For all designated states
Knauf Gips KG
Am Bahnhof 7
97346 Iphofen / DE
[2025/15]
Inventor(s)01 / WINTRICH, Hans
97355 Castell / DE
02 / SCHÜSSLER, Dominik
97318 Kitzingen / DE
 [2025/15]
Representative(s)Meissner Bolte Partnerschaft mbB
Patentanwälte Rechtsanwälte
Postfach 86 06 24
81633 München / DE
[2025/15]
Application number, filing date23728593.725.05.2023
[2025/15]
WO2023EP25243
Priority number, dateEP2022000013925.05.2022         Original published format: EP 22000139
[2025/15]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2023227245
Date:30.11.2023
Language:EN
[2023/48]
Type: A1 Application with search report 
No.:EP4533012
Date:09.04.2025
Language:EN
The application published by WIPO in one of the EPO official languages on 30.11.2023 takes the place of the publication of the European patent application.
[2025/15]
Search report(s)International search report - published on:EP30.11.2023
ClassificationIPC:F26B23/00, F28C3/06
[2025/15]
CPC:
F28C3/06 (EP,IL); F26B23/005 (EP,IL,US); F26B15/00 (US);
F26B15/12 (EP,IL); F26B23/002 (EP,IL); F26B23/02 (EP,IL);
F26B25/005 (EP,IL); Y02B30/52 (EP); Y02P70/10 (EP,IL) (-)
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,   ME,   MK,   MT,   NL,   NO,   PL,   PT,   RO,   RS,   SE,   SI,   SK,   SM,   TR [2025/15]
TitleGerman:VERFAHREN ZUR WÄRMERÜCKGEWINNUNG AUS EINER TROCKNUNGSVORRICHTUNG FÜR BAUPLATTEN[2025/15]
English:METHOD FOR RECOVERING HEAT FROM A DRYING DEVICE FOR BUILDING BOARDS[2025/15]
French:PROCÉDÉ DE RÉCUPÉRATION DE CHALEUR À PARTIR D'UN DISPOSITIF DE SÉCHAGE POUR PANNEAUX DE CONSTRUCTION[2025/15]
Entry into regional phase09.12.2024National basic fee paid 
09.12.2024Designation fee(s) paid 
09.12.2024Examination fee paid 
Examination procedure09.12.2024Examination requested  [2025/15]
09.12.2024Date on which the examining division has become responsible
09.07.2025Amendment by applicant (claims and/or description)
26.11.2025Communication of intention to grant the patent
20.03.2026Fee for grant paid
20.03.2026Fee for publishing/printing paid
Fees paidRenewal fee
27.05.2025Renewal fee patent year 03
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Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court.
Cited inInternational search[A] US2020318903  (MARTIN JÜRGEN et al.) [A] 1-12 * paragraphs [0001] , [0198] - [0202]; figure 1 *
 [A] DE102013102795  (DIEFFENBACHER GMBH MASCHINEN et al.) [A] 1-12 * paragraphs [0036] - [0038]; figures 2,3 *
 [A] EP0385372  (FRITZ EGGER GMBH et al.) [A] 1-12 * column 7, line 32 - column 9, line 57; figure 1 *
 [A] FR2476817  (FRANCE SYNDICAT FAB SUCRE et al.) [A] 1-12 * page 5, lines 3-17; figure 1 *
 [A] US2722752  (SOREN MORCH ARNE et al.) [A] 1-12 * the whole document *
 [A] DE202009017286  (GRENZEBACH BSH GMBH et al.) [A] 1-12 * the whole document *
 [A] EP3717851  (ETEX BUILDING PERFORMANCE INT SAS et al.) [A] 1-12 * the whole document *
 [A] DE405274  (WILHELM GENSECKE DR et al.) [A] 1-12 * the whole document *
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.