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Patent europeic · EP4222347 · En vigur

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Numer da publicaziun
EP4222347
Numer da la dumonda
EP21876174
Gener
Patent europeic cun effect per la Svizra ed il Liechtenstein
Status
En vigur
Scrittira da patent
Concedì
Annunzià
30-07-2021
Publitgà
09-08-2023
Concedì
12-11-2025
La protecziun finescha il pli tard
29-07-2041
Proxima taxa annuala scadenta
31-07-2026
Classas IPC
E21B 33/12 (2006.01)
E21B 33/128 (2006.01)
F16L 55/132 (2006.01)
F16L 55/105 (2006.01)
F16L 55/136 (2006.01)
Prioritad
US 202063086433 P 01.10.2020
Dumonda PCT
PCT/US2021/044047 30.07.2021
Publicaziun PCT
WO2022/072053 07.04.2022
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. 23-09-2026

    Midada

    Published in Swissreg on 23.09.2026

  2. 12-11-2025

    Concedì

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

    Published in Swissreg on 12.11.2025

Partidas

Possessur

TDW DELAWARE, INC.

TDW Delaware, Inc.

1100 Market Street, Suite 780, Wilmington, Delaware 19801, US

Inventur

GILES, Paul

Houston, TX 77009, US

FARDSALEHI, Humon, Glenn

Houston, TX 77009, 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.