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EP4423879
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EP About this file: EP4423879
| EP4423879 - ROTOR FOR AN EXTERNAL ROTOR MOTOR AND EXTERNAL ROTOR MOTOR WITH THE ROTOR [Right-click to bookmark this link] | |||
| Former [2024/36] | ROTOR FOR AN OUTRUNNER MOTOR, AND OUTRUNNER MOTOR COMPRISING THE ROTOR | ||
| [2025/12] | Status | The patent has been granted Status updated on 06.06.2025 Database last updated on 07.03.2026 | |
| Former | Grant of patent is intended Status updated on 24.02.2025 | ||
| Former | Request for examination was made Status updated on 02.08.2024 | ||
| Former | The international publication has been made Status updated on 05.05.2023 | ||
| Former | unknown Status updated on 30.11.2022 | Most recent event Tooltip | 06.02.2026 | Lapse of the patent in a contracting state New state(s): ES, PL, RS | published on 11.03.2026 [2026/11] | Applicant(s) | For all designated states maxon international ag Brünigstrasse 220 6072 Sachseln / CH | [2024/36] | Inventor(s) | 01 /
TRACHSEL, Mathis 6006 Luzern / CH | 02 /
KREHER, Johannes 6078 Lungern / CH | 03 /
GASSER, Andreas 6060 Sarnen / CH | 04 /
WÜTHRICH, Christian 6072 Sachseln / CH | [2024/36] | Representative(s) | Grünecker Patent- und Rechtsanwälte PartG mbB Leopoldstraße 4 80802 München / DE | [2024/36] | Application number, filing date | 22809152.6 | 28.10.2022 | [2024/36] | WO2022EP80174 | Priority number, date | EP20210205609 | 29.10.2021 Original published format: EP 21205609 | [2024/36] | Filing language | DE | Procedural language | DE | Publication | Type: | A1 Application with search report | No.: | WO2023073158 | Date: | 04.05.2023 | Language: | DE | [2023/18] | Type: | A1 Application with search report | No.: | EP4423879 | Date: | 04.09.2024 | Language: | DE | The application published by WIPO in one of the EPO official languages on 04.05.2023 takes the place of the publication of the European patent application. | [2024/36] | Type: | B1 Patent specification | No.: | EP4423879 | Date: | 09.07.2025 | Language: | DE | [2025/28] | Search report(s) | International search report - published on: | EP | 04.05.2023 | Classification | IPC: | H02K1/2791, H02K1/30, H02K5/24, H02K21/22 | [2024/36] | CPC: |
H02K1/2791 (EP,KR,US);
H02K1/04 (KR);
H02K1/16 (US);
H02K1/24 (US);
H02K1/30 (EP,KR);
H02K21/22 (EP,KR);
H02K29/03 (KR);
H02K5/24 (EP,KR);
H02K7/04 (US);
| 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 [2024/36]
| Extension states | BA | Not yet paid | Validation states | KH | Not yet paid | MA | Not yet paid | MD | Not yet paid | TN | Not yet paid | Title | German: | ROTOR FÜR EINEN AUSSENLÄUFERMOTOR UND AUSSENLÄUFERMOTOR MIT DEM ROTOR | [2025/12] | English: | ROTOR FOR AN EXTERNAL ROTOR MOTOR AND EXTERNAL ROTOR MOTOR WITH THE ROTOR | [2025/12] | French: | ROTOR POUR UN MOTEUR À INDUIT EXTÉRIEUR ET MOTEUR À INDUIT EXTERNE POURVU DE ROTOR | [2025/12] |
| Former [2024/36] | ROTOR FÜR EINEN AUßENLÄUFERMOTOR UND AUßENLÄUFERMOTOR MIT DEM ROTOR | ||
| Former [2024/36] | ROTOR FOR AN OUTRUNNER MOTOR, AND OUTRUNNER MOTOR COMPRISING THE ROTOR | ||
| Former [2024/36] | ROTOR POUR UN MOTEUR OUTRUNNER ET MOTEUR OUTRUNNER COMPRENANT LE ROTOR | Entry into regional phase | 14.05.2024 | National basic fee paid | 14.05.2024 | Designation fee(s) paid | 14.05.2024 | Examination fee paid | Examination procedure | 14.05.2024 | Examination requested [2024/36] | 14.05.2024 | Date on which the examining division has become responsible | 25.02.2025 | Communication of intention to grant the patent | 30.05.2025 | Fee for grant paid | 30.05.2025 | Fee for publishing/printing paid | 30.05.2025 | Receipt of the translation of the claim(s) | Fees paid | Renewal fee | 14.05.2024 | Renewal fee patent year 03 |
| 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. | Lapses during opposition Tooltip | ES | 09.07.2025 | HR | 09.07.2025 | PL | 09.07.2025 | NO | 09.10.2025 | RS | 09.10.2025 | GR | 10.10.2025 | IS | 09.11.2025 | [2026/11] |
| Former [2026/09] | HR | 09.07.2025 | |
| NO | 09.10.2025 | ||
| GR | 10.10.2025 | ||
| IS | 09.11.2025 | ||
| Former [2026/07] | IS | 09.11.2025 | Cited in | International search | [A] DE102017123085 (VORWERK CO INTERHOLDING et al.) | [A] US2015340913 (CHO YUAN-HUNG et al.) | [AD] CN211266724 (CHINA FAW GROUP CORP et al.) | [A] JAIN ANUJ KUMAR ET AL: "A novel approach to study effects of asymmetric stiffness on parametric instabilities of multi-rotor-system", JOURNAL OF SOUND AND VIBRATION, ELSEVIER, AMSTERDAM , NL, vol. 413, 31 October 2017 (2017-10-31), pages 159 - 172, XP085301244, ISSN: 0022-460X, DOI: 10.1016/J.JSV.2017.10.027 DOI: http://dx.doi.org/10.1016/j.jsv.2017.10.027 | [A] CHAUVICOURT FABIEN ET AL: "Transversally Asymmetric Stiffness of Laminated Stator Core: A Solution for Noise Mitigation of Electric Machines", IEEE TRANSACTIONS ON ENERGY CONVERSION, IEEE SERVICE CENTER, PISCATAWAY, NJ, US, vol. 34, no. 2, 1 June 2019 (2019-06-01), pages 613 - 619, XP011724576, ISSN: 0885-8969, [retrieved on 20190514], DOI: 10.1109/TEC.2018.2865622 DOI: http://dx.doi.org/10.1109/TEC.2018.2865622 | Examination | US2008197738 | KR20110042745 | by applicant | CN211266724 | CN112271852 | DE102017123085 |