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EP4045188
European procedure
Extract from the Register of European Patents
EP About this file: EP4045188
| EP4045188 - APPARATUS AND METHOD FOR REAL TIME MEASURING OF RHEOLOGICAL PROPERTIES OF A FLUID [Right-click to bookmark this link] | Status | The patent has been granted Status updated on 24.10.2025 Database last updated on 21.03.2026 | |
| Former | Grant of patent is intended Status updated on 05.06.2025 | ||
| Former | Examination is in progress Status updated on 20.06.2024 | ||
| Former | Request for examination was made Status updated on 22.07.2022 | ||
| Former | The international publication has been made Status updated on 24.04.2021 | Most recent event Tooltip | 24.10.2025 | (Expected) grant | published on 26.11.2025 [2025/48] | Applicant(s) | For all designated states Qatch Technologies 701 W Main Street Chesterfield Bldg. Room: 4144 Durham, North Carolina 27701 / US | [2022/34] | Inventor(s) | 01 /
PARLAK, Zehra 551 Dairy Glen Rd. Chapel Hill, North Carolina 27516 / US | [2022/34] | Representative(s) | Boult Wade Tennant LLP Salisbury Square House 8 Salisbury Square London EC4Y 8AP / GB | [2022/34] | Application number, filing date | 20877284.8 | 16.10.2020 | [2022/34] | WO2020US55947 | Priority number, date | US201962923106P | 18.10.2019 Original published format: US 201962923106 P | [2022/34] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | WO2021076867 | Date: | 22.04.2021 | Language: | EN | [2021/16] | Type: | A1 Application with search report | No.: | EP4045188 | Date: | 24.08.2022 | Language: | EN | The application published by WIPO in one of the EPO official languages on 22.04.2021 takes the place of the publication of the European patent application. | [2022/34] | Type: | B1 Patent specification | No.: | EP4045188 | Date: | 26.11.2025 | Language: | EN | [2025/48] | Search report(s) | International search report - published on: | US | 22.04.2021 | (Supplementary) European search report - dispatched on: | EP | 19.10.2023 | Classification | IPC: | B01L3/00, G01N11/04, G01N11/00, G01N29/02, G01N29/036 | [2023/47] | CPC: |
B01L3/50273 (EP);
G01N11/16 (US);
G01N11/00 (EP);
G01N11/04 (EP);
G01N29/022 (EP);
G01N29/036 (EP);
H10N30/208 (US);
H10N30/302 (US);
H10N30/853 (US);
B01L2300/0883 (EP);
B01L2300/161 (EP);
B01L2400/0436 (EP);
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| Former IPC [2022/34] | B01L3/00, H01L41/08, H01L41/083 | 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 [2022/34] | Extension states | BA | Not yet paid | ME | Not yet paid | Validation states | KH | Not yet paid | MA | Not yet paid | MD | Not yet paid | TN | Not yet paid | Title | German: | VORRICHTUNG UND VERFAHREN ZUR ECHTZEITMESSUNG RHEOLOGISCHER EIGENSCHAFTEN EINES FLUIDS | [2022/34] | English: | APPARATUS AND METHOD FOR REAL TIME MEASURING OF RHEOLOGICAL PROPERTIES OF A FLUID | [2022/34] | French: | APPAREIL ET PROCÉDÉ DE MESURE EN TEMPS RÉEL DE PROPRIÉTÉS RHÉOLOGIQUES D'UN FLUIDE | [2022/34] | Entry into regional phase | 25.03.2022 | National basic fee paid | 25.03.2022 | Search fee paid | 25.03.2022 | Designation fee(s) paid | 25.03.2022 | Examination fee paid | Examination procedure | 25.03.2022 | Examination requested [2022/34] | 08.02.2024 | Amendment by applicant (claims and/or description) | 08.02.2024 | Date on which the examining division has become responsible | 27.06.2024 | Despatch of a communication from the examining division (Time limit: M04) | 24.10.2024 | Reply to a communication from the examining division | 06.06.2025 | Communication of intention to grant the patent | 24.09.2025 | Fee for grant paid | 24.09.2025 | Fee for publishing/printing paid | 24.09.2025 | Receipt of the translation of the claim(s) | Fees paid | Renewal fee | 17.10.2022 | Renewal fee patent year 03 | 17.10.2023 | Renewal fee patent year 04 | 17.10.2024 | Renewal fee patent year 05 | 17.10.2025 | Renewal fee patent year 06 |
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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 | [XI] WO2018058113 (UNIV DUKE et al.) [X] 1-14 * paragraph [0034] - paragraph [0035] * * paragraph [0042] * * paragraph [0051] - paragraph [0055] * * paragraph [0073] * * paragraph [0079] * * paragraph [0082] * * paragraph [0090] - paragraph [0091] * * figures 1, 3, 4, 6-12 *[I] 15 | [A] EP2278298 (ULVAC INC et al.) [A] 1-15 * the whole document * | International search | [A] US2017370866 (DESA JOHANN et al.) [A] 1-6 * , Fig 8A, 8B, 9A, 9B; para [0002], [0006], [0078], [0082], [0096], [0218] * | [A] US9096823 (BRANCH DARREN W et al.) [A] 1-6 * , col 5, In 8-21; col 18, In 16-24 * | [A] US2018275088 (HUFF JEFFREY B et al.) [A] 1-6 * , para [0353], [0605]-[0606] * | [A] US2019234907 (EDWARDS THAYNE L et al.) [A] 1-6 * , entire document * | by applicant | WO2018058113 |