blank Quick help
blank Maintenance news

Scheduled maintenance

Regular maintenance outages:
between 05.00 and 05.15 hrs CET (Monday to Sunday).

Other outages
Availability

2022.02.11

More...
blank News flashes

Italy joins the Federated Register

Click here for more information on the Federated Register.

2025-06-12

More...
blank Related links

Release notes
European Patent Register Assistant
European Patent Register User Manual
European Patent Register – pocket guide
FAQ - European Patent Register
Federated Register (Flyer)
Global Dossier (Flyer)
Register events
Deep link coverage
Federated Register content
The Patent Information Tour
Fair use charter

Extract from the Register of European Patents

EP About this file: EP4405563

EP4405563 - FLUID STORAGE AND PRODUCTION [Right-click to bookmark this link]
StatusRequest for examination was made
Status updated on  27.06.2024
Database last updated on 09.04.2026
FormerThe international publication has been made
Status updated on  01.04.2023
Most recent event   Tooltip10.01.2026Amendment by applicant 
Applicant(s)For all designated states
Baker Hughes Oilfield Operations, LLC
17021 Aldine Westfield Road
Houston, Texas 77073 / US
[2024/31]
Inventor(s)01 / HILHORST, Oscar
Houston, Texas 77073 / US
02 / WRIGHT, Beau
Houston, Texas 77073 / US
03 / DI CAMPLI, Antonio
Houston, Texas 77073 / US
 [2024/31]
Representative(s)Dehns
10 Old Bailey
London EC4M 7NG / GB
[N/P]
Former [2024/31]Dehns
St. Bride's House
10 Salisbury Square
London EC4Y 8JD / GB
Application number, filing date22873793.816.09.2022
[2024/31]
WO2022US76567
Priority number, dateUS20211748323623.09.2021         Original published format: US202117483236
[2024/31]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2023049668
Date:30.03.2023
Language:EN
[2023/13]
Type: A1 Application with search report 
No.:EP4405563
Date:31.07.2024
Language:EN
The application published by WIPO in one of the EPO official languages on 30.03.2023 takes the place of the publication of the European patent application.
[2024/31]
Search report(s)International search report - published on:KR30.03.2023
(Supplementary) European search report - dispatched on:EP18.06.2025
ClassificationIPC:E21B34/10, E21B34/08, E21B33/12, E21B43/16, E21B17/18
[2025/29]
CPC:
E21B43/00 (EP); E21B17/18 (EP,US); B65G5/00 (US);
E21B41/00 (EP); E21B41/0057 (EP); E21B43/12 (EP);
E21B43/13 (US); E21B43/166 (US); E21B34/10 (US) (-)
Former IPC [2024/31]E21B34/10, E21B34/08, E21B33/12, E21B43/16
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 [2024/31]
TitleGerman:FLUIDSPEICHERUNG UND -HERSTELLUNG[2024/31]
English:FLUID STORAGE AND PRODUCTION[2024/31]
French:STOCKAGE ET PRODUCTION DE FLUIDE[2024/31]
Entry into regional phase10.04.2024National basic fee paid 
10.04.2024Search fee paid 
10.04.2024Designation fee(s) paid 
10.04.2024Examination fee paid 
Examination procedure10.04.2024Examination requested  [2024/31]
08.01.2026Date on which the examining division has become responsible
Fees paidRenewal fee
19.09.2024Renewal fee patent year 03
23.09.2025Renewal fee patent year 04
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.
Documents cited:Search[IY] US5141057  (CHAIX JEAN et al.) [I] 1-5,8-10,13 * column 9, line 32 - line 45; figures 7-10 *[Y] 11-12,15
 [XYA] US2014161533  (OATES ROMMEL M et al.) [X] 14 * paragraph [0002] * * paragraph [0046] - paragraph [0047]; figures 1-3 *[Y] 15 [A] 1-13
 [Y] CN108316891  (中国石油天然气集团公司 et al.) [Y] 11-12 * figures 1-3 *
International search[XY] US2013068473  (TUNGET BRUCE A et al.) [X] 1,4-5,7-15 * paragraphs [0036]-[0178], claim 1 and figures 3, 8, 18 *[Y] 2-3,6
 [Y] US4432417  (BOWYER MICHAEL L et al.) [Y] 2-3,6 * column 10, lines 14-54 and figures 1A-1B *
 [A] US4949749  (FOWLER JOE R et al.) [A] 1-15 * claims 1-5 and figures 1-4 *
 [A] US5310282  (VOSKAMP THOMAS A et al.) [A] 1-15 * claims 1-2 and figures 1-2 *
 [A] WO03091133  (CONOCOPHILLIPS CO et al.) [A] 1-15 * claims 1-5 and figures 3-4 *
by applicantUS5141057
 US2014161533
 CN108316891
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.