Patent details

Basic Information

Publication number:

EP3434862

PCT Application Number:

Type:

European Patent Granted for LU

Legal Status:

Lapsed

Application number:

EP181870163

PCT Publication Number:

First applicant's nationality:

Translation Language:

EPO Publication Language:

English

English Title of Invention:

VARIABLE FLOW RESTRICTOR FOR USE IN A SUBTERRANEAN WELL

French Title of Invention:

RÉDUCTEUR D'ÉCOULEMENT VARIABLE DESTINÉ À ÊTRE UTILISÉ DANS UN PUITS SOUTERRAIN

German Title of Invention:

VARIABLER DURCHFLUSSBEGRENZER ZUM EINSATZ IN EINEM UNTERGRUNDBOHRLOCH

SPC Number:

Dates

Filing date:

16/08/2011

Grant date:

30/12/2020

EP Publication Date:

30/01/2019

PCT Publication Date:

Claims Translation Received Date:

Translations Received Date (B1 EP Publication):

Translations Received Date (B2 EP Publication):

Translations Received Date (B3 EP Publication):

Publication date:

30/12/2020

EP B1 Publication Date:

30/12/2020

EP B2 Publication Date:

EP B3 Publication Date:

Lapsed date:

16/08/2021

Expiration date:

16/08/2031

Renunciation date:

Revocation date:

Annulment date:

Owner

From:

23/12/2020

 

 

Name:

Halliburton Energy Services Inc.

Address:

3000 N. Sam Houston Parkway E., Houston, Texas 77032, United States (US)

Inventor

1

Name:

HOLDERMAN, Luke W.

Address:

United States (US)

2

Name:

FRIPP, Michael L.

Address:

United States (US)

3

Name:

DYKSTRA, Jason D.

Address:

United States (US)

Priority

Priority Number:

86983610

Priority Date:

27/08/2010

Priority Country:

United States (US)

Classification

IPC classification:

E21B 21/10; E21B 34/06; E21B 43/12; E21B 47/18;

Publication

European Patent Bulletin

Issue number:

202053

Publication date:

30/12/2020

Description:

Grant (B1)

Annual Fees

Annual Fee Due Date:

Annual Fee Number:

Expected Payer:

Last Annual Fee Payment Date:

Last Annual Fee Paid Number:

Payer:

Filing date	Document type	Number of pages