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Extract from the Register of European Patents

EP About this file: EP3434862

EP3434862 - VARIABLE FLOW RESTRICTOR FOR USE IN A SUBTERRANEAN WELL [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  05.11.2021
Database last updated on 18.11.2024
FormerThe patent has been granted
Status updated on  27.11.2020
FormerGrant of patent is intended
Status updated on  26.07.2020
FormerExamination is in progress
Status updated on  24.02.2020
FormerRequest for examination was made
Status updated on  02.08.2019
FormerThe application has been published
Status updated on  30.12.2018
Most recent event   Tooltip13.09.2024Lapse of the patent in a contracting state
New state(s): MT		published on 16.10.2024  [2024/42]
Applicant(s)For all designated states
Halliburton Energy Services Inc.
3000 N. Sam Houston Parkway E.
Houston, Texas 77032 / US
[2019/25]
Former [2019/05]For all designated states
Halliburton Energy Services, Inc.
10200 Bellaire Blvd.
Houston, TX 77072 / US
Inventor(s)01 / HOLDERMAN, Luke W.
2601 Beltline Road
Carrollton, Texas 75006 / US
02 / DYKSTRA, Jason D.
2601 Beltline Road
Carrollton, Texas 75006 / US
03 / FRIPP, Michael L.
2601 Beltline Road
Carrollton, Texas 75006 / US
 [2019/05]
Representative(s)Greenwood, Stuart Gordon, et al
AA Thornton IP LLP
8th Floor, 125 Old Broad Street
London EC2N 1AR / GB
[N/P]
Former [2021/01]Greenwood, Stuart Gordon, et al
A.A. Thornton & Co.
15 Old Bailey
London EC4M 7EF / GB
Former [2019/05]Greenwood, Stuart Gordon, et al
A.A. Thornton & Co.
10 Old Bailey
London EC4M 7NG / GB
Application number, filing date18187016.316.08.2011
[2019/05]
Priority number, dateUS20108698361027.08.2010         Original published format: US 86983610
[2019/05]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP3434862
Date:30.01.2019
Language:EN
[2019/05]
Type: B1 Patent specification 
No.:EP3434862
Date:30.12.2020
Language:EN
[2020/53]
Search report(s)(Supplementary) European search report - dispatched on:EP07.01.2019
ClassificationIPC:E21B43/12, E21B34/06, E21B21/10, E21B47/18
[2019/05]
CPC:
E21B43/12 (EP,BR,US); E21B34/08 (EP,BR,US); E21B43/14 (EP,BR,US);
E21B47/18 (EP,BR,US); E21B2200/02 (EP); Y10T137/2087 (EP,US);
Y10T137/2109 (EP,US) (-)
Designated contracting statesAL,   AT,   BE,   BG,   CH,   CY,   CZ,   DE,   DK,   EE,   ES,   FI,   FR,   GB,   GR,   HR,   HU,   IE,   IS,   IT,   LI,   LT,   LU,   LV,   MC,   MK,   MT,   NL,   NO,   PL,   PT,   RO,   RS,   SE,   SI,   SK,   SM,   TR [2019/36]
Former [2019/05]AL,  AT,  BE,  BG,  CH,  CY,  CZ,  DE,  DK,  EE,  ES,  FI,  FR,  GB,  GR,  HR,  HU,  IE,  IS,  IT,  LI,  LT,  LU,  LV,  MC,  MK,  MT,  NL,  NO,  PL,  PT,  RO,  RS,  SE,  SI,  SK,  SM,  TR 
TitleGerman:VARIABLER DURCHFLUSSBEGRENZER ZUM EINSATZ IN EINEM UNTERGRUNDBOHRLOCH[2019/05]
English:VARIABLE FLOW RESTRICTOR FOR USE IN A SUBTERRANEAN WELL[2019/05]
French:RÉDUCTEUR D'ÉCOULEMENT VARIABLE DESTINÉ À ÊTRE UTILISÉ DANS UN PUITS SOUTERRAIN[2019/05]
Examination procedure30.07.2019Amendment by applicant (claims and/or description)
30.07.2019Examination requested  [2019/36]
30.07.2019Date on which the examining division has become responsible
26.02.2020Despatch of a communication from the examining division (Time limit: M04)
12.05.2020Reply to a communication from the examining division
27.07.2020Communication of intention to grant the patent
24.11.2020Fee for grant paid
24.11.2020Fee for publishing/printing paid
24.11.2020Receipt of the translation of the claim(s)
Parent application(s)   TooltipEP11820391.8  / EP2609286
Opposition(s)01.10.2021No opposition filed within time limit [2021/49]
Fees paidRenewal fee
02.08.2018Renewal fee patent year 03
02.08.2018Renewal fee patent year 04
02.08.2018Renewal fee patent year 05
02.08.2018Renewal fee patent year 06
02.08.2018Renewal fee patent year 07
02.08.2018Renewal fee patent year 08
04.06.2019Renewal fee patent year 09
26.06.2020Renewal fee patent year 10
Opt-out from the exclusive  Tooltip
competence of the Unified
Patent Court		 See the Register of the Unified Patent Court for opt-out data
Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court.
Lapses during opposition  TooltipHU16.08.2011
AL30.12.2020
AT30.12.2020
CY30.12.2020
CZ30.12.2020
DK30.12.2020
EE30.12.2020
ES30.12.2020
FI30.12.2020
HR30.12.2020
LT30.12.2020
LV30.12.2020
MC30.12.2020
MK30.12.2020
MT30.12.2020
NL30.12.2020
PL30.12.2020
RO30.12.2020
RS30.12.2020
SE30.12.2020
SI30.12.2020
SK30.12.2020
SM30.12.2020
BG30.03.2021
GR31.03.2021
IS30.04.2021
PT30.04.2021
IE16.08.2021
LU16.08.2021
BE31.08.2021
CH31.08.2021
LI31.08.2021
[2024/42]
Former [2024/23]HU16.08.2011
AL30.12.2020
AT30.12.2020
CY30.12.2020
CZ30.12.2020
DK30.12.2020
EE30.12.2020
ES30.12.2020
FI30.12.2020
HR30.12.2020
LT30.12.2020
LV30.12.2020
MC30.12.2020
MK30.12.2020
NL30.12.2020
PL30.12.2020
RO30.12.2020
RS30.12.2020
SE30.12.2020
SI30.12.2020
SK30.12.2020
SM30.12.2020
BG30.03.2021
GR31.03.2021
IS30.04.2021
PT30.04.2021
IE16.08.2021
LU16.08.2021
BE31.08.2021
CH31.08.2021
LI31.08.2021
Former [2023/33]HU16.08.2011
AL30.12.2020
AT30.12.2020
CY30.12.2020
CZ30.12.2020
DK30.12.2020
EE30.12.2020
ES30.12.2020
FI30.12.2020
HR30.12.2020
LT30.12.2020
LV30.12.2020
MC30.12.2020
NL30.12.2020
PL30.12.2020
RO30.12.2020
RS30.12.2020
SE30.12.2020
SI30.12.2020
SK30.12.2020
SM30.12.2020
BG30.03.2021
GR31.03.2021
IS30.04.2021
PT30.04.2021
IE16.08.2021
LU16.08.2021
BE31.08.2021
CH31.08.2021
LI31.08.2021
Former [2023/29]AL30.12.2020
AT30.12.2020
CY30.12.2020
CZ30.12.2020
DK30.12.2020
EE30.12.2020
ES30.12.2020
FI30.12.2020
HR30.12.2020
LT30.12.2020
LV30.12.2020
MC30.12.2020
NL30.12.2020
PL30.12.2020
RO30.12.2020
RS30.12.2020
SE30.12.2020
SI30.12.2020
SK30.12.2020
BG30.03.2021
GR31.03.2021
IS30.04.2021
PT30.04.2021
IE16.08.2021
LU16.08.2021
BE31.08.2021
CH31.08.2021
LI31.08.2021
Former [2023/24]AL30.12.2020
AT30.12.2020
CY30.12.2020
CZ30.12.2020
DK30.12.2020
EE30.12.2020
ES30.12.2020
FI30.12.2020
HR30.12.2020
LT30.12.2020
LV30.12.2020
MC30.12.2020
PL30.12.2020
RO30.12.2020
RS30.12.2020
SE30.12.2020
SI30.12.2020
SK30.12.2020
BG30.03.2021
GR31.03.2021
IS30.04.2021
PT30.04.2021
IE16.08.2021
LU16.08.2021
BE31.08.2021
CH31.08.2021
LI31.08.2021
Former [2022/35]AL30.12.2020
AT30.12.2020
CZ30.12.2020
DK30.12.2020
EE30.12.2020
ES30.12.2020
FI30.12.2020
HR30.12.2020
LT30.12.2020
LV30.12.2020
MC30.12.2020
PL30.12.2020
RO30.12.2020
RS30.12.2020
SE30.12.2020
SI30.12.2020
SK30.12.2020
BG30.03.2021
GR31.03.2021
IS30.04.2021
PT30.04.2021
IE16.08.2021
LU16.08.2021
BE31.08.2021
CH31.08.2021
LI31.08.2021
Former [2022/34]AL30.12.2020
AT30.12.2020
CZ30.12.2020
DK30.12.2020
EE30.12.2020
ES30.12.2020
FI30.12.2020
HR30.12.2020
LT30.12.2020
LV30.12.2020
MC30.12.2020
PL30.12.2020
RO30.12.2020
RS30.12.2020
SE30.12.2020
SI30.12.2020
SK30.12.2020
BG30.03.2021
GR31.03.2021
IS30.04.2021
PT30.04.2021
LU16.08.2021
BE31.08.2021
CH31.08.2021
LI31.08.2021
Former [2022/23]AL30.12.2020
AT30.12.2020
CZ30.12.2020
DK30.12.2020
EE30.12.2020
ES30.12.2020
FI30.12.2020
HR30.12.2020
LT30.12.2020
LV30.12.2020
MC30.12.2020
PL30.12.2020
RO30.12.2020
RS30.12.2020
SE30.12.2020
SI30.12.2020
SK30.12.2020
BG30.03.2021
GR31.03.2021
IS30.04.2021
PT30.04.2021
LU16.08.2021
CH31.08.2021
LI31.08.2021
Former [2022/21]AL30.12.2020
AT30.12.2020
CZ30.12.2020
DK30.12.2020
EE30.12.2020
ES30.12.2020
FI30.12.2020
HR30.12.2020
LT30.12.2020
LV30.12.2020
MC30.12.2020
PL30.12.2020
RO30.12.2020
RS30.12.2020
SE30.12.2020
SI30.12.2020
SK30.12.2020
BG30.03.2021
GR31.03.2021
PT30.04.2021
CH31.08.2021
LI31.08.2021
Former [2022/18]AL30.12.2020
AT30.12.2020
CZ30.12.2020
DK30.12.2020
EE30.12.2020
ES30.12.2020
FI30.12.2020
HR30.12.2020
LT30.12.2020
LV30.12.2020
MC30.12.2020
PL30.12.2020
RO30.12.2020
RS30.12.2020
SE30.12.2020
SI30.12.2020
SK30.12.2020
BG30.03.2021
GR31.03.2021
PT30.04.2021
Former [2022/13]AL30.12.2020
AT30.12.2020
CZ30.12.2020
DK30.12.2020
EE30.12.2020
ES30.12.2020
FI30.12.2020
HR30.12.2020
LT30.12.2020
LV30.12.2020
PL30.12.2020
RO30.12.2020
RS30.12.2020
SE30.12.2020
SI30.12.2020
SK30.12.2020
BG30.03.2021
GR31.03.2021
PT30.04.2021
Former [2022/10]AL30.12.2020
AT30.12.2020
CZ30.12.2020
DK30.12.2020
EE30.12.2020
ES30.12.2020
FI30.12.2020
HR30.12.2020
LT30.12.2020
LV30.12.2020
PL30.12.2020
RO30.12.2020
RS30.12.2020
SE30.12.2020
SK30.12.2020
BG30.03.2021
GR31.03.2021
PT30.04.2021
Former [2022/08]AL30.12.2020
AT30.12.2020
CZ30.12.2020
DK30.12.2020
EE30.12.2020
ES30.12.2020
FI30.12.2020
HR30.12.2020
LT30.12.2020
LV30.12.2020
PL30.12.2020
RO30.12.2020
RS30.12.2020
SE30.12.2020
SK30.12.2020
BG30.03.2021
GR31.03.2021
IS30.04.2021
PT30.04.2021
Former [2021/49]AL30.12.2020
AT30.12.2020
CZ30.12.2020
DK30.12.2020
EE30.12.2020
FI30.12.2020
HR30.12.2020
LT30.12.2020
LV30.12.2020
PL30.12.2020
RO30.12.2020
RS30.12.2020
SE30.12.2020
SK30.12.2020
BG30.03.2021
GR31.03.2021
IS30.04.2021
PT30.04.2021
Former [2021/45]AL30.12.2020
AT30.12.2020
CZ30.12.2020
EE30.12.2020
FI30.12.2020
HR30.12.2020
LT30.12.2020
LV30.12.2020
PL30.12.2020
RO30.12.2020
RS30.12.2020
SE30.12.2020
SK30.12.2020
BG30.03.2021
GR31.03.2021
IS30.04.2021
PT30.04.2021
Former [2021/42]AT30.12.2020
CZ30.12.2020
EE30.12.2020
FI30.12.2020
HR30.12.2020
LT30.12.2020
LV30.12.2020
PL30.12.2020
RO30.12.2020
RS30.12.2020
SE30.12.2020
SK30.12.2020
BG30.03.2021
GR31.03.2021
IS30.04.2021
PT30.04.2021
Former [2021/39]AT30.12.2020
CZ30.12.2020
EE30.12.2020
FI30.12.2020
HR30.12.2020
LT30.12.2020
LV30.12.2020
PL30.12.2020
RO30.12.2020
RS30.12.2020
SE30.12.2020
SK30.12.2020
BG30.03.2021
GR31.03.2021
PT30.04.2021
Former [2021/37]AT30.12.2020
CZ30.12.2020
EE30.12.2020
FI30.12.2020
HR30.12.2020
LT30.12.2020
LV30.12.2020
RO30.12.2020
RS30.12.2020
SE30.12.2020
SK30.12.2020
BG30.03.2021
GR31.03.2021
PT30.04.2021
Former [2021/36]CZ30.12.2020
EE30.12.2020
FI30.12.2020
HR30.12.2020
LT30.12.2020
LV30.12.2020
RO30.12.2020
RS30.12.2020
SE30.12.2020
SK30.12.2020
BG30.03.2021
GR31.03.2021
PT30.04.2021
Former [2021/35]CZ30.12.2020
FI30.12.2020
HR30.12.2020
LT30.12.2020
LV30.12.2020
RO30.12.2020
RS30.12.2020
SE30.12.2020
SK30.12.2020
BG30.03.2021
GR31.03.2021
PT30.04.2021
Former [2021/33]FI30.12.2020
HR30.12.2020
LT30.12.2020
LV30.12.2020
RS30.12.2020
SE30.12.2020
BG30.03.2021
GR31.03.2021
PT30.04.2021
Former [2021/28]FI30.12.2020
HR30.12.2020
LV30.12.2020
RS30.12.2020
SE30.12.2020
BG30.03.2021
GR31.03.2021
Former [2021/23]FI30.12.2020
LV30.12.2020
RS30.12.2020
SE30.12.2020
BG30.03.2021
GR31.03.2021
Former [2021/22]FI30.12.2020
RS30.12.2020
Former [2021/20]FI30.12.2020
Documents cited:Search[A]US1517598  (WILLIAM STEVENSON JOHN);
 [XI]US3198214  (LORENZ WILHELM T);
 [XI]US3474670  (RUPERT JOHN G);
 [A]US3515160  (COHEN KENNETH W);
 [A]US2005173336  (ARNAUD JOHNNY [US]);
 [E]EP2392771  (HALLIBURTON ENERGY SERV INC [US])
The EPO accepts no responsibility for the accuracy of data originating from other authorities; in particular, it does not guarantee that it is complete, up to date or fit for specific purposes.