-
EP0730331
European procedure
Extract from the Register of European Patents
EP About this file: EP0730331
| EP0730331 - Circuit for limiting switching overvoltages in power semiconductor switches [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 02.06.2000 Database last updated on 15.05.2024 | Most recent event Tooltip | 02.06.2000 | No opposition filed within time limit | published on 19.07.2000 [2000/29] | Applicant(s) | For all designated states Kiepe Elektrik GmbH & Co. KG Bublitzer Strasse 28 40599 Düsseldorf / DE | [1999/28] |
| Former [1996/36] | For all designated states Kiepe Elektrik GmbH Bublitzer Strasse 28 D-40599 Düsseldorf / DE | Inventor(s) | 01 /
Seidl, Udo Planckstr. 37 D-47877 Willich / DE | [1996/36] | Representative(s) | Feder, Wolf-Dietrich Dr. Wolf-D. Feder, Dr. Heinz Feder Dipl.-Ing. P.-C. Sroka Dominikanerstrasse 37 40545 Düsseldorf / DE | [N/P] |
| Former [1996/36] | Feder, Wolf-Dietrich, Dr. Dipl.-Phys. Dr. Wolf-D. Feder, Dr. Heinz Feder Dipl.-Ing. P.-C. Sroka Dominikanerstrasse 37 D-40545 Düsseldorf / DE | Application number, filing date | 96101874.4 | 09.02.1996 | [1996/36] | Priority number, date | DE1995107408 | 03.03.1995 Original published format: DE 19507408 | [1996/36] | Filing language | DE | Procedural language | DE | Publication | Type: | A2 Application without search report | No.: | EP0730331 | Date: | 04.09.1996 | Language: | DE | [1996/36] | Type: | A3 Search report | No.: | EP0730331 | Date: | 28.01.1998 | [1998/05] | Type: | B1 Patent specification | No.: | EP0730331 | Date: | 04.08.1999 | Language: | DE | [1999/31] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 10.12.1997 | Classification | IPC: | H02H7/122, H02M7/538, H03K17/082 | [1998/03] | CPC: |
H03K17/0828 (EP);
H02H7/1225 (EP);
H02M7/538 (EP);
H03K17/166 (EP)
|
| Former IPC [1996/36] | H02H7/122, H02M7/538 | Designated contracting states | AT, BE, CH, DE, FR, IT, LI, NL [1996/36] | Title | German: | Schaltungsanordnung zur Begrenzung von Schaltüberspannungen an Leistungshalbleiterschaltern | [1996/36] | English: | Circuit for limiting switching overvoltages in power semiconductor switches | [1996/36] | French: | Circuit de limitation des surtensions lors de commutation pour commutateurs à semi-conducteur de puissance | [1996/36] | Examination procedure | 21.01.1998 | Examination requested [1998/12] | 24.09.1998 | Despatch of communication of intention to grant (Approval: Yes) | 08.12.1998 | Communication of intention to grant the patent | 11.02.1999 | Fee for grant paid | 11.02.1999 | Fee for publishing/printing paid | Opposition(s) | 05.05.2000 | No opposition filed within time limit [2000/29] | Fees paid | Renewal fee | 14.01.1998 | Renewal fee patent year 03 | 23.12.1998 | Renewal fee patent year 04 |
| Opt-out from the exclusive Tooltip competence of the Unified Patent Court | See the Register of the Unified Patent Court for opt-out data | ||
| 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 | [A]EP0272514 (SIEMENS AG [DE]) [A] 1* abstract *; | [A]DE4012382 (LICENTIA GMBH [DE]) [A] 1 * abstract *; | [A]EP0592696 (SIEMENS AG [DE]) [A] 1 * abstract *; | [A]WO9423497 (SIEMENS AG [DE], et al) [A] 1 * page 7, line 10 - page 10, line 24; figures 2,3 *; | [A] - TIHANYI J, "Protection of Power MOSFETs from Transient Overvoltages", SIEMENS-FORSHUNGS- UND ENTWICKLUNGSBERICHTE, (1985), vol. 14, no. 2, pages 56 - 61, XP002047361 [A] 1 * page 60, column 1, paragraph 3 - column 2, paragraph 2; figures 10,11 * |