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EP4311918
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Extract from the Register of European Patents
EP About this file: EP4311918
| EP4311918 - ROTOR BOW MITIGATION [Right-click to bookmark this link] | Status | Examination is in progress Status updated on 23.01.2026 Database last updated on 07.03.2026 | |
| Former | Request for examination was made Status updated on 21.02.2025 | ||
| Former | The application has been published Status updated on 29.12.2023 | Most recent event Tooltip | 28.01.2026 | New entry: Despatch of examination report + time limit | Applicant(s) | For all designated states Rolls-Royce plc Kings Place, 90 York Way London N1 9FX / GB | [2024/05] | Inventor(s) | 01 /
Donnelly, David Derby, DE24 8BJ / GB | 02 /
Wall, Derek Derby, DE24 8BJ / GB | [2024/05] | Representative(s) | Rolls-Royce plc Moor Lane (ML-9) PO Box 31 Derby DE24 8BJ / GB | [N/P] |
| Former [2024/05] | Rolls-Royce plc Intellectual Property Dept SinA-48 PO Box 31 Derby DE24 8BJ / GB | Application number, filing date | 23183207.2 | 04.07.2023 | [2024/05] | Priority number, date | GB20220011020 | 28.07.2022 Original published format: GB 202211020 | [2024/05] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP4311918 | Date: | 31.01.2024 | Language: | EN | [2024/05] | Type: | A3 Search report | No.: | EP4311918 | Date: | 21.08.2024 | Language: | EN | [2024/34] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 22.07.2024 | Classification | IPC: | F01D25/36, F01D19/02, // B64D13/06 | [2024/34] | CPC: |
F01D25/36 (EP,US);
F02C7/268 (US);
F01D15/10 (EP,US);
F01D19/02 (EP);
F01D25/34 (US);
F02C9/00 (US);
F01D21/00 (EP,US);
F05D2220/76 (EP);
F05D2260/80 (US);
F05D2260/85 (EP,US);
F05D2260/941 (US);
F05D2270/303 (US);
F05D2270/304 (EP)
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| Former IPC [2024/05] | F01D25/36, F01D19/02 | 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 [2024/05] | 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: | ROTORBIEGUNGSABSCHWÄCHUNG | [2024/05] | English: | ROTOR BOW MITIGATION | [2024/05] | French: | ATTÉNUATION DE COURBURE DE ROTOR | [2024/05] | Examination procedure | 19.02.2025 | Amendment by applicant (claims and/or description) | 19.02.2025 | Examination requested [2025/13] | 19.02.2025 | Date on which the examining division has become responsible | 27.01.2026 | Despatch of a communication from the examining division (Time limit: M04) | Fees paid | Renewal fee | 25.07.2025 | 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 | [XA] US2018372003 (HON ROBERT CHARLES et al.) [X] 1-11,14-15 * paragraphs [0061] , [0080] , [0081]; figures 2,4,6 *[A] 12-13,16-18 | [X] EP3205859 (UNITED TECHNOLOGIES CORP et al.) [X] 1,3-6,8-12,14-15,17 * paragraphs [0042] , [0 43] , [0 49] - [0054] - [0 66] , [0 68]; figures 1,2,4 * | [XI] EP3686402 (UNITED TECHNOLOGIES CORP et al.) [X] 1,3-6,8,10,14 * paragraphs [0044] , [0047] , [0051]; figures 1,6 *[I] 9,11 | [X] US2021301732 (TOMESCU DANA et al.) [X] 1,3-5,9-11,14-15 * paragraphs [0028] , [0 30] , [0 32] , [0 33] , [0 50]; figures 1A,1B,3,4 * | [X] US2016097328 (WINTGENS ERIC et al.) [X] 1 * paragraphs [0028] - [0033]; figure 1 * | [X] US2020400036 (REDFORD TIMOTHY et al.) [X] 1 * paragraphs [0071] - [0080]; figures 5,6 * |