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EP0344516
European procedure
Extract from the Register of European Patents
EP About this file: EP0344516
| EP0344516 - Multi-stage side channel compressor [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 23.05.1992 Database last updated on 12.07.2024 | Most recent event Tooltip | 23.05.1992 | No opposition filed within time limit | published on 15.07.1992 [1992/29] | Applicant(s) | For all designated states SIEMENS AKTIENGESELLSCHAFT Werner-von-Siemens-Str. 1 DE-80333 München / DE | [N/P] |
| Former [1989/49] | For all designated states SIEMENS AKTIENGESELLSCHAFT Wittelsbacherplatz 2 D-80333 München / DE | Inventor(s) | 01 /
Schönwald, Siegfried, Dipl.-Ing. Burgstrasse 18 D-8740 Bad Neustadt / DE | [1989/49] | Application number, filing date | 89108883.3 | 17.05.1989 | [1989/49] | Priority number, date | DE19883818374 | 30.05.1988 Original published format: DE 3818374 | [1989/49] | Filing language | DE | Procedural language | DE | Publication | Type: | A1 Application with search report | No.: | EP0344516 | Date: | 06.12.1989 | Language: | DE | [1989/49] | Type: | B1 Patent specification | No.: | EP0344516 | Date: | 17.07.1991 | Language: | DE | [1991/29] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 22.08.1989 | Classification | IPC: | F04D23/00, F04D29/58 | [1989/49] | CPC: |
F04D29/584 (EP,US);
F04D23/008 (EP,US)
| Designated contracting states | DE, FR, GB, IT [1989/49] | Title | German: | Mehrstufiger Seitenkanalverdichter | [1989/49] | English: | Multi-stage side channel compressor | [1989/49] | French: | Compresseur à canal latéral et à plusieurs étages | [1989/49] | Examination procedure | 10.01.1990 | Examination requested [1990/10] | 08.11.1990 | Despatch of communication of intention to grant (Approval: Yes) | 23.11.1990 | Communication of intention to grant the patent | 05.12.1990 | Fee for grant paid | 05.12.1990 | Fee for publishing/printing paid | Opposition(s) | 22.04.1992 | No opposition filed within time limit [1992/29] | Fees paid | Renewal fee | 20.12.1990 | 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 | [Y]FR2294114 (SIEMENS AG [DE]); | [Y]DE733433 (SIEMENS AG); | [A]DE731022 (SIEMENS AG); | [A]DE731085 (SIEMENS AG); | [A]GB191500353 (BRITISH THOMSON HOUSTON CO LTD [GB]); | [AD]DE1817430 (ROTRON MFG CO) | [A] - TRANSACTIONS OF THE ASME, Band 72, Nr. 6, August 1950, Seiten 797-804, New York, US; W.E. TRUMPLER et al.: "Heat-transfer rates in centrifugal compressors and the effect of internal liquid cooling on performance" |