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EP0158798
European procedure
Extract from the Register of European Patents
EP About this file: EP0158798
| EP0158798 - Method and apparatus for recovering thermal energy [Right-click to bookmark this link] | |||
| Former [1985/43] | Method and apparatus for concentrating an aqueous solution, and method and apparatus for recovering thermal energy | ||
| [1988/22] | Status | No opposition filed within time limit Status updated on 30.03.1989 Database last updated on 11.04.2026 | Most recent event Tooltip | 15.08.2008 | Change - representative | published on 17.09.2008 [2008/38] | Applicant(s) | For all designated states Hitachi, Ltd. 6, Kanda Surugadai 4-chome Chiyoda-ku Tokyo / JP | [N/P] |
| Former [1985/43] | For all designated states HITACHI, LTD. 6, Kanda Surugadai 4-chome Chiyoda-ku, Tokyo 100 / JP | Inventor(s) | 01 /
Koseki, Yasuo 3712, Kanai-cho Hitachiohta-shi Ibaraki-ken / JP | 02 /
Takahashi, Sankichi 2-26-17, Moriyama-cho Hitachi-shi Ibaraki-ken / JP | 03 /
Ebara, Katsuya 1400, Motoyoshida-cho Mito-shi Ibaraki-ken / JP | 04 /
Kuroda, Osamu 1-3-13, Hanayama-cho Hitachi-shi Ibaraki-ken / JP | 05 /
Kurokawa, Hideaki 1-8-1-304, Nishinarusawa-cho Hitachi-shi Ibaraki-ken / JP | [1985/43] | Representative(s) | Beetz & Partner mbB Patentanwälte Prinzregentenstraße 54 80538 München / DE | [N/P] |
| Former [2008/38] | Beetz & Partner Patentanwälte Steinsdorfstrasse 10 80538 München / DE | ||
| Former [1985/43] | Patentanwälte Beetz - Timpe - Siegfried Schmitt-Fumian - Mayr Steinsdorfstrasse 10 D-80538 München / DE | Application number, filing date | 85102164.2 | 27.02.1985 | [1985/43] | Priority number, date | JP19840037086 | 27.02.1984 Original published format: JP 3708684 | [1985/43] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0158798 | Date: | 23.10.1985 | Language: | EN | [1985/43] | Type: | B1 Patent specification | No.: | EP0158798 | Date: | 01.06.1988 | Language: | EN | [1988/22] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 02.08.1985 | Classification | IPC: | B01D13/00, F25D15/00, F24J3/00 | [1985/43] | CPC: |
B01D61/362 (EP,KR,US);
B01D71/36 (EP,KR,US);
F25B15/14 (EP,KR,US);
B01D2311/08 (KR);
B01D2311/1031 (KR);
B01D2313/246 (EP,US);
| Designated contracting states | DE, FR, GB, SE [1985/43] | Title | German: | Verfahren und Vorrichtung zur Rückgewinnung von thermischer Energie | [1988/22] | English: | Method and apparatus for recovering thermal energy | [1988/22] | French: | Procédé et appareil de récupération d'énergie thermique | [1988/22] |
| Former [1985/43] | Verfahren und Vorrichtung zur Konzentrierung einer wässrigen Lösung und Verfahren und Vorrichtung zur Rückgewinnung von thermischer Energie | ||
| Former [1985/43] | Method and apparatus for concentrating an aqueous solution, and method and apparatus for recovering thermal energy | ||
| Former [1985/43] | Procédé et appareil de concentration d'une solution aqueuse et procédé et appareil de récupération d'énergie thermique | Examination procedure | 25.10.1985 | Examination requested [1986/02] | 09.06.1986 | Despatch of a communication from the examining division (Time limit: M04) | 06.10.1986 | Reply to a communication from the examining division | 23.06.1987 | Despatch of communication of intention to grant (Approval: ) | 08.10.1987 | Communication of intention to grant the patent | 14.10.1987 | Fee for grant paid | 14.10.1987 | Fee for publishing/printing paid | Opposition(s) | 02.03.1989 | No opposition filed within time limit [1989/20] | Fees paid | Renewal fee | 23.02.1987 | Renewal fee patent year 03 | 19.02.1988 | Renewal fee patent year 04 |
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