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Patent europeic · EP4589117 · En vigur

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Numer da publicaziun
EP4589117
Numer da la dumonda
EP23864709
Gener
Patent europeic cun effect per la Svizra ed il Liechtenstein
Status
En vigur
Scrittira da patent
Concedì
Annunzià
13-09-2023
Publitgà
23-07-2025
Concedì
17-06-2026
La protecziun finescha il pli tard
12-09-2043
Proxima taxa annuala scadenta
30-09-2026
Classas IPC
E21B 33/06 (2006.01)
Prioritad
CN 202211124922 15.09.2022
Dumonda PCT
PCT/CN2023/118467 13.09.2023
Publicaziun PCT
WO2024/055977 21.03.2024
Lingua da l’annunzia
chinais
Funtauna
Swissreg

Istorgia

Quai che l’Institut federal da la proprietad intellectuala ha publitgà davart quest titel, il pli nov l’emprim.

  1. 17-06-2026

    Concedì

    Specification status
    Non-published patent application → Granted patent
    Status of protective title
    Initiated → Active

    Published in Swissreg on 17.06.2026

Partidas

Possessur

Rongsheng Machinery Manufacture Ltd. Of Hubai Oilfield, Hebei

No. 043 Huizhan South Road Huabei Oilfield, Renqiu City Cangzhou, Hebei 062552, CN

Inventur

TANG, Jianhua

Cangzhou, Hebei 062552, CN

XU, Hongqi

Cangzhou, Hebei 062552, CN

SU, Shangwen

Cangzhou, Hebei 062552, CN

JIANG, Dongliang

Cangzhou, Hebei 062552, CN

LIAO, Weiheng

Cangzhou, Hebei 062552, CN

QU, Zhiming

Cangzhou, Hebei 062552, CN

MENG, Zhaochun

Cangzhou, Hebei 062552, CN

WANG, Hongjie

Cangzhou, Hebei 062552, CN

LI, Haohao

Cangzhou, Hebei 062552, CN

GUO, Xue

Cangzhou, Hebei 062552, CN

WANG, Wei

Cangzhou, Hebei 062552, CN

Il register numna mintga partida cun num ed adressa. In possessur u in represchentant vegn collià cun in’organisaziun, sch’exact ina unitad giuridica dal register da commerzi porta ses num; la via d’ina partida betg enconuschida uschia na vegn betg mussada qua.