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Patent europeic · EP4291750 · En vigur

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Numer da publicaziun
EP4291750
Numer da la dumonda
EP22703239
Gener
Patent europeic cun effect per la Svizra ed il Liechtenstein
Status
En vigur
Scrittira da patent
Concedì
Annunzià
11-01-2022
Publitgà
20-12-2023
Concedì
01-04-2026
La protecziun finescha il pli tard
10-01-2042
Proxima taxa annuala scadenta
31-01-2027
Classas IPC
E21B 33/12 (2006.01)
E21B 23/06 (2006.01)
E21B 33/14 (2006.01)
Prioritad
US 202117175574 12.02.2021
Dumonda PCT
PCT/US2022/070140 11.01.2022
Publicaziun PCT
WO2022/174204 18.08.2022
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. 01-04-2026

    Concedì

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

    Published in Swissreg on 01.04.2026

Partidas

Possessur

Weatherford Technology Holdings, LLC

2000 St. James Place, Houston Texas 77056, US

Inventur

GIROUX, Richard Lee

Bellville, Texas 77418, US

JOSHI, Rohit

Addison Ranch LN Fulshear, Texas 77441, US

SYMMS, Joshua Vernon

Cypress, Texas 77429, US

BACSIK, Ryan

Seattle, Washington 98122, 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.