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EP0654294
European procedure
Extract from the Register of European Patents
EP About this file: EP0654294
| EP0654294 - Process and apparatus for the filtration of solid particles from liquids and the backwashing of the filter [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 09.10.1998 Database last updated on 29.07.2024 | Most recent event Tooltip | 13.11.2009 | Change - representative | published on 16.12.2009 [2009/51] | Applicant(s) | For all designated states Hans Huber GmbH Maschinen- und Anlagenbau Mariahilfstrasse 3 - 5 D-92334 Berching / DE | [1995/21] | Inventor(s) | 01 /
Grienberger, Johann, Dr. Schlossstrasse 4 D-91207 Lauf / DE | 02 /
Bogner, Rudolf Karlsbader Strasse 26 D-92318 Neumarkt / DE | 03 /
Fromman, Christian Waldstrasse 2 D-92364 Deining / DE | [1995/21] | Representative(s) | Rehberg, Elmar Rehberg Hüppe + Partner Postfach 31 62 37021 Göttingen / DE | [2009/51] |
| Former [1995/21] | Rehberg, Elmar, Dipl.-Ing. Am Kirschberge 22 D-37085 Göttingen / DE | Application number, filing date | 94117826.1 | 11.11.1994 | [1995/21] | Priority number, date | DE19934339268 | 18.11.1993 Original published format: DE 4339268 | [1995/21] | Filing language | DE | Procedural language | DE | Publication | Type: | A2 Application without search report | No.: | EP0654294 | Date: | 24.05.1995 | Language: | DE | [1995/21] | Type: | A3 Search report | No.: | EP0654294 | Date: | 21.02.1996 | [1996/08] | Type: | B1 Patent specification | No.: | EP0654294 | Date: | 03.12.1997 | Language: | DE | [1997/49] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 08.01.1996 | Classification | IPC: | B01D33/073, B01D33/50 | [1995/21] | CPC: |
B03D1/1431 (EP,US);
B01D29/15 (EP,US);
B01D29/605 (EP,US);
B01D29/682 (EP,US);
B01D29/688 (EP,US);
B01D29/70 (EP,US);
B01D29/92 (EP,US);
B01D29/94 (EP,US);
B01D33/073 (EP,US);
B01D33/50 (EP,US);
B01D33/503 (EP,US);
B01D33/74 (EP,US);
B01D33/807 (EP,US);
B01D36/00 (EP,US);
B03D1/1475 (EP,US);
| Designated contracting states | AT, CH, DE, ES, FR, GB, IT, LI, NL [1995/21] | Title | German: | Verfahren und Vorrichtung zum Ausfiltrieren und Rückspülen von Feststoff-Partikeln aus Flüssigkeiten | [1995/21] | English: | Process and apparatus for the filtration of solid particles from liquids and the backwashing of the filter | [1995/21] | French: | Procédé et dispositif de filtration de particules solides de liquides et le rinçage du filtre à contre-courant | [1995/21] | Examination procedure | 16.02.1996 | Examination requested [1996/15] | 11.04.1996 | Despatch of a communication from the examining division (Time limit: M04) | 24.07.1996 | Reply to a communication from the examining division | 05.02.1997 | Despatch of communication of intention to grant (Approval: Yes) | 02.06.1997 | Communication of intention to grant the patent | 25.06.1997 | Fee for grant paid | 25.06.1997 | Fee for publishing/printing paid | Opposition(s) | 04.09.1998 | No opposition filed within time limit [1998/48] | Fees paid | Renewal fee | 19.11.1996 | Renewal fee patent year 03 | 25.09.1997 | Renewal fee patent year 04 |
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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 | [DA]CH553588 (MECAFINA SA) [DA] 1,5 * -;; figures 1,2 *; | [A]US4578198 (SCHMIDT RONALD L [US], et al) [A] 1,5 * figure 3 *; | [A]DE3834982 (FAN ENGINEERING GMBH [DE]) [A] 1,5* figures 1,2 *; | [A]EP0525753 (TONNE HANSJOCHEN E [DE]) [A] 1,5 * figures 1-3 * |