-
EP4184777
European procedure
- EP About this file
- EP Legal status
- EP Federated register
- EP Event history
- EP Citations
- EP Patent family
- EP All documents
Extract from the Register of European Patents
EP About this file: EP4184777
| EP4184777 - TOTEM-POLE BRIDGELESS POWER FACTOR CORRECTION CIRCUIT AND POWER ELECTRONIC DEVICE [Right-click to bookmark this link] | Status | Request for examination was made Status updated on 21.04.2023 Database last updated on 02.09.2024 | |
| Former | The international publication has been made Status updated on 21.02.2022 | Most recent event Tooltip | 22.12.2023 | Amendment by applicant | Applicant(s) | For all designated states Huawei Digital Power Technologies Co., Ltd. Office 01, 39th Floor, Block A Antuoshan Headquarters Towers 33 Antuoshan 6th Road Futian District Shenzhen, Guangdong 518043 / CN | [2023/21] | Inventor(s) | 01 /
CHIN, Ken Shenzhen, Guangdong 518129 / CN | 02 /
HU, Zhixiang Shenzhen, Guangdong 518129 / CN | 03 /
LIU, Yuanjun Shenzhen, Guangdong 518129 / CN | [2023/21] | Representative(s) | Isarpatent Patent- und Rechtsanwälte Barth Charles Hassa Peckmann & Partner mbB Friedrichstrasse 31 80801 München / DE | [2023/21] | Application number, filing date | 20949036.6 | 12.08.2020 | [2023/21] | WO2020CN108735 | Filing language | ZH | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | WO2022032537 | Date: | 17.02.2022 | Language: | ZH | [2022/07] | Type: | A1 Application with search report | No.: | EP4184777 | Date: | 24.05.2023 | Language: | EN | [2023/21] | Search report(s) | International search report - published on: | CN | 17.02.2022 | (Supplementary) European search report - dispatched on: | EP | 31.07.2023 | Classification | IPC: | H02M7/02, H02M7/217, G01R19/00, H03K17/082, H02M1/00, H02M1/08, H02M1/42, H02M1/32 | [2023/35] | CPC: |
H02M1/0085 (EP);
H02M1/4225 (US);
H02M1/08 (EP);
H02M1/32 (EP);
H02M1/4233 (EP);
H02M7/217 (US);
H03K17/0822 (EP);
H02M1/0006 (EP);
H02M1/0058 (EP);
H03K2217/0027 (EP);
H03K2217/0063 (EP);
H03K2217/0072 (EP);
|
| Former IPC [2023/21] | H02M7/02, H02M7/217, G01R19/00 | 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, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR [2023/21] | Title | German: | BRÜCKENLOSE TOTEM-POL-LEISTUNGSFAKTORKORREKTURSCHALTUNG UND ELEKTRONISCHE LEISTUNGSVORRICHTUNG | [2023/21] | English: | TOTEM-POLE BRIDGELESS POWER FACTOR CORRECTION CIRCUIT AND POWER ELECTRONIC DEVICE | [2023/21] | French: | CIRCUIT DE CORRECTION DE FACTEUR DE PUISSANCE SANS PONT À MÂT TOTÉMIQUE, ET DISPOSITIF ÉLECTRONIQUE DE PUISSANCE | [2023/21] | Entry into regional phase | 20.02.2023 | Translation filed | 20.02.2023 | National basic fee paid | 20.02.2023 | Search fee paid | 20.02.2023 | Designation fee(s) paid | 20.02.2023 | Examination fee paid | Examination procedure | 20.02.2023 | Examination requested [2023/21] | 21.12.2023 | Amendment by applicant (claims and/or description) | 21.12.2023 | Date on which the examining division has become responsible | Fees paid | Renewal fee | 20.02.2023 | Renewal fee patent year 03 | 31.08.2023 | 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]CN100403636C (VIA TECH INC [CN]) [A] 1-12 * figure 2 *; | [YA]US10193437 (HARI AJAY KARTHIK [US], et al) [Y] 6,8 * figures 7,8 * [A] 1-5,9-12; | [XYI]CN110165883 (HISENSE GUANGDONG AIR CONDITIONING CO LTD) [X] 1,4,7,12 * paragraph [0018]; figures 2,8 * * paragraph [0031] - paragraph [0039] * [Y] 6,8 [I] 2,3,5,9-11; | [A]US2019312507 (KAMATH NIKHILESH S [US], et al) [A] 1-12* figures 18,19 * |