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Patent europeic · EP4136322 · En vigur

Inscripziun en il register

Numer da publicaziun
EP4136322
Numer da la dumonda
EP21788482
Gener
Patent europeic cun effect per la Svizra ed il Liechtenstein
Status
En vigur
Scrittira da patent
Concedì
Annunzià
16-04-2021
Publitgà
22-02-2023
Concedì
15-10-2025
La protecziun finescha il pli tard
15-04-2041
Proxima taxa annuala scadenta
30-04-2026
Classas IPC
E21B 49/00 (2006.01)
E21B 43/00 (2006.01)
E21B 43/16 (2006.01)
Prioritad
US 202063011414 P 17.04.2020
Dumonda PCT
PCT/US2021/027808 16.04.2021
Publicaziun PCT
WO2021/212059 21.10.2021
Lingua da l’annunzia
englais
Funtauna
Swissreg

Istorgia

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

  1. 26-08-2026

    Midada

    Published in Swissreg on 26.08.2026

  2. 15-10-2025

    Concedì

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

    Published in Swissreg on 15.10.2025

Partidas

Possessur

Chevron U.S.A. Inc.

5001 Executive Parkway, San Ramon, CA 94583, US

GeoQuest Systems B.V.

Gevers Deynootweg 61, 2586 BJ The Hague, NL

Inventur

LEE, Seong Hee

Humble, Texas 77396, US

TENE, Matei

Oxfordshire, OT Oxfordshire OX14 4RU, GB

DU, Song

San Ramon, California 94583-2324, US

WEN, Xian-Huan

San Ramon, California 94583-2324, US

EFENDIEV, Yalchin

College Station, Texas 77845, US

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.