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EP4653683
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EP About this file: EP4653683
| EP4653683 - HYBRID ELECTRIC HYDROGEN ENGINE FOR AIRCRAFT [Right-click to bookmark this link] | Status | The application has been published Status updated on 24.10.2025 Database last updated on 28.03.2026 | Most recent event Tooltip | 23.01.2026 | Publication of search report | published on 25.02.2026 [2026/09] | 23.01.2026 | Change - classification | published on 25.02.2026 [2026/09] | 23.01.2026 | Change - classification | published on 25.02.2026 [2026/09] | Applicant(s) | For all designated states RTX Corporation 10 Farm Springs Road Farmington, CT 06032 / US | [2025/48] | Inventor(s) | 01 /
TERWILLIGER, Neil J. Cheshire, 06410 / US | 02 /
STAUBACH, Joseph B. New Britain, 06053 / US | [2025/48] | Representative(s) | Dehns 10 Old Bailey London EC4M 7NG / GB | [2025/48] | Application number, filing date | 25207307.7 | 07.07.2023 | [2025/48] | Priority number, date | US202217860730 | 08.07.2022 Original published format: US202217860730 | [2025/48] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP4653683 | Date: | 26.11.2025 | Language: | EN | [2025/48] | Type: | A3 Search report | No.: | EP4653683 | Date: | 25.02.2026 | Language: | EN | [2026/09] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 26.01.2026 | Classification | IPC: | F02C3/22, F01D15/10, F02C6/00 | [2026/09] | CPC: |
F02C3/22 (EP);
F02C6/00 (EP,US);
B64D27/10 (US);
B64D27/24 (US);
B64D33/08 (US);
F02C7/12 (US);
F02C9/26 (US);
F02K5/00 (EP);
H01M8/04059 (US);
B64D27/026 (US);
F05D2220/76 (EP);
F05D2260/20 (EP);
H01M2250/20 (US)
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| Former IPC [2025/48] | F02C6/00 | 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, ME, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR [2025/48] | Title | German: | HYBRIDER ELEKTRISCHER WASSERSTOFFMOTOR FÜR FLUGZEUGE | [2025/48] | English: | HYBRID ELECTRIC HYDROGEN ENGINE FOR AIRCRAFT | [2025/48] | French: | MOTEUR À HYDROGÈNE ÉLECTRIQUE HYBRIDE POUR AÉRONEF | [2025/48] | Parent application(s) Tooltip | EP23184227.9 / EP4303415 | Fees paid | Renewal fee | 07.10.2025 | 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 | [A] JP2009187755 (SHIN MEIWA IND CO LTD et al.) [A] 1-15 * paragraph [0029] * * figure 1 * | [A] US2008072577 (TAYLOR MARK D et al.) [A] 1,4 * paragraph [0026] * * figure 1 * | [A] US2005019620 (SCHICK LOUIS ANDREW et al.) [A] 1-15 * paragraph [0003] * * paragraph [0006] * * paragraph [0019] * * paragraph [0021] * * page 1 * | [I] BRADLEY MARTY: "Identification and Descriptions of Fuel Cell Architectures for Aircraft Applications", 2022 IEEE TRANSPORTATION ELECTRIFICATION CONFERENCE & EXPO (ITEC), IEEE, 15 June 2022 (2022-06-15), pages 1047 - 1050, XP034145247, DOI: 10.1109/ITEC53557.2022.9814063 [I] 1,8-13,15 * paragraph [000C] * * paragraph [000G] * * figure 5 * DOI: http://dx.doi.org/10.1109/ITEC53557.2022.9814063 |