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EP4597019
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EP About this file: EP4597019
| EP4597019 - HEAT EXCHANGER [Right-click to bookmark this link] | Status | Request for examination was made Status updated on 04.07.2025 Database last updated on 28.03.2026 | |
| Former | The international publication has been made Status updated on 06.04.2024 | Most recent event Tooltip | 05.12.2025 | Change: Validation states | published on 07.01.2026 [2026/02] | 05.12.2025 | Change - extension states | published on 07.01.2026 [2026/02] | Applicant(s) | For all designated states DAIKIN INDUSTRIES, LTD. Osaka Umeda Twin Towers South 1-13-1, Umeda Kita-ku Osaka-shi, Osaka 530-0001 / JP | [2025/32] | Inventor(s) | 01 /
TOYOYAMA, Kiyotaka Osaka-shi, Osaka 530-0001 / JP | 02 /
ORITANI, Yoshio Osaka-shi, Osaka 530-0001 / JP | 03 /
OKUNO, Aya Osaka-shi, Osaka 530-0001 / JP | 04 /
SAKAMAKI, Tomohiko Osaka-shi, Osaka 530-0001 / JP | 05 /
SEKIYA, Masahito Osaka-shi, Osaka 530-0001 / JP | 06 /
ODA, Takaya Osaka-shi, Osaka 530-0001 / JP | 07 /
TSUTSUMI, Yoshihiro Osaka-shi, Osaka 530-0001 / JP | [2025/32] | Representative(s) | Hoffmann Eitle Patent- und Rechtsanwälte PartmbB Arabellastraße 30 81925 München / DE | [2025/32] | Application number, filing date | 23872248.2 | 25.09.2023 | [2025/32] | WO2023JP34695 | Priority number, date | JP20220157840 | 30.09.2022 Original published format: JP 2022157840 | [2025/32] | Filing language | JA | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | WO2024071025 | Date: | 04.04.2024 | Language: | JA | [2024/14] | Type: | A1 Application with search report | No.: | EP4597019 | Date: | 06.08.2025 | Language: | EN | [2025/32] | Search report(s) | International search report - published on: | JP | 04.04.2024 | (Supplementary) European search report - dispatched on: | EP | 26.11.2025 | Classification | IPC: | F28F1/32, F24F1/0067 | [2025/32] | CPC: |
F28D1/05391 (EP);
F28F1/24 (US);
F24F1/0067 (EP);
F28D1/0435 (EP);
F28F1/325 (EP);
F28F17/005 (EP);
F28F3/08 (US);
F25B13/00 (EP);
F25B39/02 (EP);
F25B39/04 (EP);
F28F21/084 (EP);
F28F2215/04 (EP);
| Designated contracting states | AL, 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 [2025/32] | Title | German: | WÄRMETAUSCHER | [2025/32] | English: | HEAT EXCHANGER | [2025/32] | French: | ÉCHANGEUR DE CHALEUR | [2025/32] | Entry into regional phase | 02.04.2025 | Translation filed | 02.04.2025 | National basic fee paid | 02.04.2025 | Search fee paid | 02.04.2025 | Designation fee(s) paid | 02.04.2025 | Examination fee paid | Examination procedure | 02.04.2025 | Examination requested [2025/32] | Fees paid | Renewal fee | 26.09.2025 | Renewal 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. | Documents cited: | Search | [IXYA] CN104482791 (ZHUHAI GREE ELEC APPLIANCES et al.) [I] 2-6 * figure 9 *[X] 1,8 [Y] 7 [A] 9-11 | [IYXA] JP2008170041 (SHOWA DENKO KK et al.) [I] 2-6 * figures 4,7,8 *[Y] 7 [X] 1,8-9 [A] 10-11 | [YXA] US2014116667 (CHOI YONG HWA et al.) [Y] 7 * figure 8 *[X] 9-11 [A] 1-6,8 | [XA] JP2011064403 (MITSUBISHI ELECTRIC CORP et al.) [X] 9-11 * figure 5 *[A] 1-8 | International search | [YX] JP2005121288 (MATSUSHITA ELECTRIC INDUSTRIAL CO LTD et al.) [Y] 1-8 [X] 9-11 | [X] US2014116667 (CHOI YONG HWA et al.) [X] 9-11 * in particular, paragraphs [0061]-[0098], fig. 3-10 * | [Y] JP2007518962 [Y] 1-8 * in particular, fig. 3-5 * | [Y] JP2020535384 (サンホワ（ハンチョウ） マイクロ チャンネル ヒート イクスチェンジャー カンパニー リミテッド) [Y] 1-8 * in particular, fig. 2, 3 * | [Y] US2005072562 (HALL PETER DAVID et al.) [Y] 1-8 * in particular, fig. 1-5 * | [Y] GB2047399 [Y] 1-8 * in particular, fig. 2-4 * | [Y] WO2020095616 (DAIKIN IND LTD et al.) [Y] 1-8 * in particular, fig. 3, 9 * | [Y] GB2110811 (SALTER & CO LTD G et al.) [Y] 1-8 * in particular, fig. 1 * | [Y] US5117905 (HESSE WOLFGANG et al.) [Y] 1-8 * in particular, fig. 7-12 * | [Y] DE2530064 (VOLKSWAGENWERK AG et al.) [Y] 1-8 * particularly, fig. 1, 2 * | [Y] US2005016718 (PAPAPANU STEVEN JAMES et al.) [Y] 1-8 * particularly, fig. 1-4 * | [Y] JPS5628586 [Y] 1-8 | by applicant | JP2012163318 |