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Extract from the Register of European Patents

EP About this file: EP3746748

EP3746748 - DIFFERENTIAL FLOW MEASUREMENT WITH CORIOLIS FLOWMETER [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  12.04.2024
Database last updated on 18.11.2024
FormerThe patent has been granted
Status updated on  05.05.2023
FormerGrant of patent is intended
Status updated on  21.04.2023
FormerExamination is in progress
Status updated on  04.03.2022
FormerRequest for examination was made
Status updated on  01.10.2021
FormerExamination is in progress
Status updated on  16.09.2021
FormerRequest for examination was made
Status updated on  06.11.2020
FormerThe international publication has been made
Status updated on  03.08.2019
Formerunknown
Status updated on  22.12.2018
Most recent event   Tooltip15.11.2024Lapse of the patent in a contracting state
New state(s): BG		published on 18.12.2024 [2024/51]
Applicant(s)For all designated states
Weatherford Technology Holdings, LLC
2000 St. James Place
Houston, TX 77056 / US
[2021/23]
Former [2020/50]For all designated states
Weatherford Technology Holdings, LLC
2000 St. James Place
Houston Texas 77056 / US
Inventor(s)01 / DILLARD, Walter
11909 Spencer Road - FM 529
Houston, TX 77041 / US
02 / PARK, Sang (Paul)
11909 Spencer Road - FM 529
Houston, TX 77041 / US
03 / VIERAITIS, David
11909 Spencer Road - FM 529
Houston, TX 77041 / US
 [2023/02]
Former [2021/23]01 / VIERAITIS, David
11909 Spencer Road - FM 529
Houston, TX 77041 / US
Former [2020/50]01 / VIERAITIS, David
11909 Spencer Road
FM 529
Houston, Texas 77041 / US
Representative(s)Marks & Clerk LLP
15 Fetter Lane
London EC4A 1BW / GB
[2023/23]
Former [2020/50]Docherty, Andrew John
Marks & Clerk LLP
Aurora
120 Bothwell Street
Glasgow G2 7JS / GB
Application number, filing date18816427.126.11.2018
[2020/50]
WO2018US62438
Priority number, dateUS20181588290029.01.2018         Original published format: US201815882900
[2020/50]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2019147332
Date:01.08.2019
Language:EN
[2019/31]
Type: A1 Application with search report 
No.:EP3746748
Date:09.12.2020
Language:EN
The application published by WIPO in one of the EPO official languages on 01.08.2019 takes the place of the publication of the European patent application.
[2020/50]
Type: B1 Patent specification 
No.:EP3746748
Date:07.06.2023
Language:EN
[2023/23]
Search report(s)International search report - published on:EP01.08.2019
(Supplementary) European search report - dispatched on:EP07.03.2022
ClassificationIPC:E21B21/08, E21B21/10, G01F1/34, G01F1/40, G01F5/00, G01F1/74, G01F1/84
[2022/47]
CPC:
G01F1/84 (EP); G01F1/44 (US); E21B21/08 (EP);
E21B21/10 (EP); E21B47/10 (EP,US); G01F1/34 (EP,US);
G01F1/40 (EP,US); G01F1/80 (US); G01F1/8427 (US);
G01F1/8436 (US); G01F5/00 (EP,US); G01F1/74 (EP,US) (-)
Former IPC [2022/14]G01F1/34, G01F1/40, G01F1/80, G01F5/00, G01F1/74, G01F1/84
Former IPC [2020/50]G01F1/34, G01F1/40, G01F1/80, G01F5/00, G01F1/74
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 [2020/50]
Extension statesBANot yet paid
MENot yet paid
Validation statesKHNot yet paid
MANot yet paid
MDNot yet paid
TNNot yet paid
TitleGerman:DIFFERENZIALDURCHFLUSSMESSUNG MIT CORIOLISDURCHFLUSSMESSER[2022/10]
English:DIFFERENTIAL FLOW MEASUREMENT WITH CORIOLIS FLOWMETER[2020/50]
French:DÉBIMÈTRIE DIFFÉRENTIELLE AVEC DÉBIMÈTRE CORIOLIS[2023/01]
Former [2020/50]DIFFERENZDRUCKMESSUNG MIT CORIOLIS-DURCHFLUSSMESSER
Former [2020/50]MESURE DE DÉBIT DIFFÉRENTIEL AVEC UN DÉBITMÈTRE DE CORIOLIS
Entry into regional phase08.07.2020National basic fee paid 
08.07.2020Designation fee(s) paid 
08.07.2020Examination fee paid 
Examination procedure08.07.2020Examination requested  [2020/50]
08.07.2020Date on which the examining division has become responsible
18.03.2021Amendment by applicant (claims and/or description)
07.03.2022Despatch of a communication from the examining division to which search results under Rule 164(2) EPC are annexed (Time limit: M04) [2022/14]
07.03.2022Despatch of a communication from the examining division (Time limit: M04)
28.06.2022Reply to a communication from the examining division
15.12.2022Communication of intention to grant the patent
20.04.2023Fee for grant paid
20.04.2023Fee for publishing/printing paid
20.04.2023Receipt of the translation of the claim(s)
Opposition(s)08.03.2024No opposition filed within time limit [2024/20]
Fees paidRenewal fee
13.11.2020Renewal fee patent year 03
10.11.2021Renewal fee patent year 04
13.10.2022Renewal fee patent year 05
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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  TooltipAT07.06.2023
BG07.06.2023
CZ07.06.2023
DK07.06.2023
EE07.06.2023
ES07.06.2023
FI07.06.2023
HR07.06.2023
IT07.06.2023
LT07.06.2023
LV07.06.2023
MC07.06.2023
NL07.06.2023
PL07.06.2023
RO07.06.2023
RS07.06.2023
SE07.06.2023
SI07.06.2023
SK07.06.2023
SM07.06.2023
GR08.09.2023
IS07.10.2023
PT09.10.2023
IE26.11.2023
LU26.11.2023
BE30.11.2023
CH30.11.2023
FR30.11.2023
[2024/51]
Former [2024/47]AT07.06.2023
CZ07.06.2023
DK07.06.2023
EE07.06.2023
ES07.06.2023
FI07.06.2023
HR07.06.2023
IT07.06.2023
LT07.06.2023
LV07.06.2023
MC07.06.2023
NL07.06.2023
PL07.06.2023
RO07.06.2023
RS07.06.2023
SE07.06.2023
SI07.06.2023
SK07.06.2023
SM07.06.2023
GR08.09.2023
IS07.10.2023
PT09.10.2023
IE26.11.2023
LU26.11.2023
BE30.11.2023
CH30.11.2023
FR30.11.2023
Former [2024/46]AT07.06.2023
CZ07.06.2023
DK07.06.2023
EE07.06.2023
ES07.06.2023
FI07.06.2023
HR07.06.2023
IT07.06.2023
LT07.06.2023
LV07.06.2023
MC07.06.2023
NL07.06.2023
PL07.06.2023
RO07.06.2023
RS07.06.2023
SE07.06.2023
SI07.06.2023
SK07.06.2023
SM07.06.2023
GR08.09.2023
IS07.10.2023
PT09.10.2023
IE26.11.2023
LU26.11.2023
CH30.11.2023
Former [2024/34]AT07.06.2023
CZ07.06.2023
DK07.06.2023
EE07.06.2023
ES07.06.2023
FI07.06.2023
HR07.06.2023
IT07.06.2023
LT07.06.2023
LV07.06.2023
MC07.06.2023
NL07.06.2023
PL07.06.2023
RO07.06.2023
RS07.06.2023
SE07.06.2023
SI07.06.2023
SK07.06.2023
SM07.06.2023
GR08.09.2023
IS07.10.2023
PT09.10.2023
LU26.11.2023
CH30.11.2023
Former [2024/32]AT07.06.2023
CZ07.06.2023
DK07.06.2023
EE07.06.2023
ES07.06.2023
FI07.06.2023
HR07.06.2023
IT07.06.2023
LT07.06.2023
LV07.06.2023
MC07.06.2023
NL07.06.2023
PL07.06.2023
RO07.06.2023
RS07.06.2023
SE07.06.2023
SI07.06.2023
SK07.06.2023
SM07.06.2023
GR08.09.2023
IS07.10.2023
PT09.10.2023
Former [2024/26]AT07.06.2023
CZ07.06.2023
DK07.06.2023
EE07.06.2023
ES07.06.2023
FI07.06.2023
HR07.06.2023
IT07.06.2023
LT07.06.2023
LV07.06.2023
NL07.06.2023
PL07.06.2023
RO07.06.2023
RS07.06.2023
SE07.06.2023
SI07.06.2023
SK07.06.2023
SM07.06.2023
GR08.09.2023
IS07.10.2023
PT09.10.2023
Former [2024/24]AT07.06.2023
CZ07.06.2023
DK07.06.2023
EE07.06.2023
ES07.06.2023
FI07.06.2023
HR07.06.2023
LT07.06.2023
LV07.06.2023
NL07.06.2023
PL07.06.2023
RO07.06.2023
RS07.06.2023
SE07.06.2023
SI07.06.2023
SK07.06.2023
SM07.06.2023
GR08.09.2023
IS07.10.2023
PT09.10.2023
Former [2024/22]AT07.06.2023
CZ07.06.2023
DK07.06.2023
EE07.06.2023
ES07.06.2023
FI07.06.2023
HR07.06.2023
LT07.06.2023
LV07.06.2023
NL07.06.2023
PL07.06.2023
RO07.06.2023
RS07.06.2023
SE07.06.2023
SK07.06.2023
SM07.06.2023
GR08.09.2023
IS07.10.2023
PT09.10.2023
Former [2024/10]AT07.06.2023
CZ07.06.2023
EE07.06.2023
ES07.06.2023
FI07.06.2023
HR07.06.2023
LT07.06.2023
LV07.06.2023
NL07.06.2023
PL07.06.2023
RO07.06.2023
RS07.06.2023
SE07.06.2023
SK07.06.2023
SM07.06.2023
GR08.09.2023
IS07.10.2023
PT09.10.2023
Former [2024/09]AT07.06.2023
CZ07.06.2023
ES07.06.2023
FI07.06.2023
HR07.06.2023
LT07.06.2023
LV07.06.2023
NL07.06.2023
RS07.06.2023
SE07.06.2023
SK07.06.2023
SM07.06.2023
GR08.09.2023
IS07.10.2023
Former [2024/08]ES07.06.2023
FI07.06.2023
HR07.06.2023
LT07.06.2023
LV07.06.2023
NL07.06.2023
RS07.06.2023
SE07.06.2023
SK07.06.2023
SM07.06.2023
GR08.09.2023
Former [2024/03]ES07.06.2023
FI07.06.2023
HR07.06.2023
LT07.06.2023
LV07.06.2023
NL07.06.2023
RS07.06.2023
SE07.06.2023
GR08.09.2023
Former [2024/01]ES07.06.2023
HR07.06.2023
LT07.06.2023
LV07.06.2023
NL07.06.2023
RS07.06.2023
SE07.06.2023
GR08.09.2023
Former [2023/52]ES07.06.2023
HR07.06.2023
NL07.06.2023
RS07.06.2023
SE07.06.2023
GR08.09.2023
Former [2023/51]ES07.06.2023
HR07.06.2023
RS07.06.2023
SE07.06.2023
GR08.09.2023
Former [2023/50]ES07.06.2023
SE07.06.2023
GR08.09.2023
Former [2023/48]ES07.06.2023
SE07.06.2023
Former [2023/46]ES07.06.2023
Cited inInternational search[A]US5661232  (VAN CLEVE CRAIG BRAINERD [US], et al) [A] 1-3,6-12,17,18,20,21,24-30* figures 2, 5, 7 *;
 [XI]US5861561  (VAN CLEVE CRAIG BRAINERD [US], et al) [X] 1-3,6-9,11,17,18,20,21,24-27,29 * figure 1 * * column 4, line 1 - line 24 * * column 5, line 45 - line 60 * * column 10, line 45 - line 55 * * column 11, line 46 - line 51 * * column 3, line 66 - column 4, line 37 * [I] 10,12,28,30;
 [A]WO2014004166  (ROSEMOUNT INC [US]) [A] 10,12,28,30 * page 3, line 6 - line 15 *
ExaminationUS6561043
 WO2013005091
 US8657034
 WO2014183136
 US2016084024
 EP3221558
 US2017328151
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.