WO2026109965 - PIPETTING NEEDLE INNER/OUTER WALL CLEANING MECHANISM AND PIPETTING NEEDLE ASSEMBLY
National phase entry is expected:
Publication Number
WO/2026/109965
Publication Date
28.05.2026
International Application No.
PCT/IB2025/061224
International Filing Date
04.11.2025
Title **
[English]
PIPETTING NEEDLE INNER/OUTER WALL CLEANING MECHANISM AND PIPETTING NEEDLE ASSEMBLY
[French]
MÉCANISME DE NETTOYAGE DE PAROI INTERNE/EXTERNE D'AIGUILLE DE PIPETTAGE ET ENSEMBLE AIGUILLE DE PIPETTAGE
Applicants **
CHEMLEX PTE. LTD.
Inventors
LI, Xiangxiang
LU, Chao
YU, Yanqing
Priority Data
18/954,553
21.11.2024
US
Application details
| Total Number of Claims/PCT | * |
| Number of Independent Claims | * |
| Number of Priorities | * |
| Number of Multi-Dependent Claims | * |
| Number of Drawings | * |
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| Pages of Specification | * |
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| Number of Office Actions | * |
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International Searching Authority |
MOIP
* |
| Recordal of a Change of the Applicant's Name/Address |
Change of Applicant's Name and Address
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| Type of Assignment |
The Standard Agent's Assignment
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| Applicant's Legal Status |
Legal Entity
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| * | |
| * | |
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| Entry into National Phase under |
Chapter I
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| Patent Delivery |
Send the Letters Patent by Courier
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| 译文 |
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* The data is based on automatic recognition. Please verify and amend if necessary.
** IP-Coster compiles data from publicly available sources. If this data includes your personal information, you can contact us to request its removal.
Quotation for National Phase entry
| Country | Stages | Total | |
|---|---|---|---|
| China | Filing, Examination, Granting | 2016 | |
| EPO | Filing, Examination, Granting | 11551 | |
| Japan | Filing, Examination, Granting | 2061 | |
| South Korea | Filing, Examination, Granting | 1550 | |
| USA | Filing, Examination, Granting | 4740 |

Total:
21,918
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Abstract[English]
The invention discloses an inner/outer wall cleaning mechanism for a pipetting needle and a pipetting needle assembly, which comprises: an inner wall cleaning pipe; which is connected at one end to the upper part of the pipetting needle and the other end of which is connected to the injection device; an outer wall cleaning pipe; which is connected at one end to the liquid guide and the other end of which is connected to the injection device; the liquid guide; liquid inlets arranged on both sides, a liquid outlet and an outer wall cleaning flow passage hole arranged in the liquid guide, one end of the liquid inlet being connected to the outer wall cleaning pipe, the other end of the liquid inlet being connected to one end of the liquid outlet, and the other end of the liquid outlet being connected to the outer wall cleaning flow passage hole.[French]
L'invention concerne un mécanisme de nettoyage de paroi interne/externe pour une aiguille de pipettage et un ensemble aiguille de pipettage, qui comprend : un tuyau de nettoyage de paroi interne ; qui est reliée à une extrémité à la partie supérieure de l'aiguille de pipettage et dont l'autre extrémité est reliée au dispositif d'injection ; un tuyau de nettoyage de paroi externe ; qui est relié à une extrémité au guide de liquide et dont l'autre extrémité est reliée au dispositif d'injection ; le guide de liquide ; des entrées de liquide disposées des deux côtés, une sortie de liquide et un trou de passage d'écoulement de nettoyage de paroi externe disposé dans le guide de liquide, une extrémité de l'entrée de liquide étant reliée au tuyau de nettoyage de paroi externe, l'autre extrémité de l'entrée de liquide étant reliée à une extrémité de la sortie de liquide, et l'autre extrémité de la sortie de liquide étant reliée au trou de passage d'écoulement de nettoyage de paroi externe.