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EP3851660
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EP About this file: EP3851660
| EP3851660 - DIFFUSER FOR ROTATING DETONATION ENGINE [Right-click to bookmark this link] | Status | The patent has been granted Status updated on 21.11.2025 Database last updated on 18.03.2026 | |
| Former | Grant of patent is intended Status updated on 17.07.2025 | ||
| Former | Examination is in progress Status updated on 27.06.2025 | ||
| Former | Grant of patent is intended Status updated on 24.02.2025 | ||
| Former | Examination is in progress Status updated on 19.05.2023 | ||
| Former | Request for examination was made Status updated on 28.01.2022 | ||
| Former | The application has been published Status updated on 18.06.2021 | Most recent event Tooltip | 21.11.2025 | (Expected) grant | published on 24.12.2025 [2025/52] | Applicant(s) | For all designated states RTX Corporation 10 Farm Springs Road Farmington, CT 06032 / US | [2023/44] |
| Former [2021/29] | For all designated states Raytheon Technologies Corporation 10 Farm Springs Road Farmington, CT 06032 / US | Inventor(s) | 01 /
GREENE, Christopher Britton 69 Country Lane Hebron, CT Connecticut 06248 / US | 02 /
OCHS, Stuart S. 3724 South Street Coventry, CT Connecticut 06238 / US | [2021/29] | Representative(s) | Dehns 10 Old Bailey London EC4M 7NG / GB | [2025/52] |
| Former [2021/29] | Dehns St. Bride's House 10 Salisbury Square London EC4Y 8JD / GB | Application number, filing date | 21151423.7 | 13.01.2021 | [2021/29] | Priority number, date | US202016743966 | 15.01.2020 Original published format: US202016743966 | [2021/29] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP3851660 | Date: | 21.07.2021 | Language: | EN | [2021/29] | Type: | B1 Patent specification | No.: | EP3851660 | Date: | 24.12.2025 | Language: | EN | [2025/52] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 08.06.2021 | Classification | IPC: | F02K7/08, F02C7/04, B64D33/02 | [2021/29] | CPC: |
F02K7/08 (EP);
B64D33/02 (EP,US);
F02C7/04 (EP,US);
F02K7/02 (US);
B64D2033/0273 (EP,US);
F05D2250/20 (EP);
| 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 [2022/09] |
| Former [2021/29] | 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 | Title | German: | DIFFUSOR FÜR EINE ROTIERENDE DETONATIONSMASCHINE | [2021/29] | English: | DIFFUSER FOR ROTATING DETONATION ENGINE | [2021/29] | French: | DIFFUSEUR POUR MOTEUR À DÉTONATION ROTATIF | [2021/29] | Examination procedure | 20.01.2022 | Amendment by applicant (claims and/or description) | 20.01.2022 | Examination requested [2022/09] | 20.01.2022 | Date on which the examining division has become responsible | 19.05.2023 | Despatch of a communication from the examining division (Time limit: M06) | 23.11.2023 | Reply to a communication from the examining division | 25.02.2025 | Communication of intention to grant the patent | 25.06.2025 | Disapproval of the communication of intention to grant the patent by the applicant or resumption of examination proceedings by the EPO | 17.07.2025 | Communication of intention to grant the patent | 17.11.2025 | Fee for grant paid | 17.11.2025 | Fee for publishing/printing paid | 17.11.2025 | Receipt of the translation of the claim(s) | Divisional application(s) | EP25188464.9 / EP4606708 | Fees paid | Renewal fee | 19.01.2023 | Renewal fee patent year 03 | 23.01.2024 | Renewal fee patent year 04 | 21.01.2025 | Renewal fee patent year 05 |
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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] US6584764 (BAKER VON DAVID et al.) | [XA] US3336753 (MULLEN II JAMES W et al.) [X] 1,3-15 * figures 1, 3, 4, 5 *[A] 2 | [X] US4033119 (NICHOLS MARK R et al.) [X] 1,3-11 * figure 14 * * column 8, line 20 - line 40 * | [X] US4121606 (HOLLAND CHARLES L et al.) [X] 1,3-11 * figure 13 * | Examination | US3543876 |