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Extract from the Register of European Patents

EP About this file: EP4062024

EP4062024 - SYSTEM AND METHOD FOR REMOVING DRILLING FLUID FROM DRILL CUTTINGS USING DIRECT HEAT [Right-click to bookmark this link]
StatusExamination is in progress
Status updated on  24.11.2023
Database last updated on 22.08.2024
FormerRequest for examination was made
Status updated on  26.08.2022
FormerThe international publication has been made
Status updated on  29.05.2021
Most recent event   Tooltip17.08.2024New entry: Reply to examination report 
Applicant(s)For all designated states
Elavo CleanTech Ltd.
4600 Eighth Avenue Place east
525 - 8th Avenue SW
Calgary, Alberta T2P 1G1 / CA
[2024/38]
Former [2022/39]For all designated states
Elavo Energy Solutions Ltd.
4600 Eighth Avenue Place East
525 - 8th Avenue SW
Calgary, Alberta T2P 1G1 / CA
Inventor(s)01 / MCINTYRE, Barry
c/o Elavo Energy Solutions Ltd.
4600 Eighth Avenue Place East
525 - 8th Avenue SW
Calgary, Alberta T2P 1G1 / CA
 [2022/39]
Representative(s)Appleyard Lees IP LLP
15 Clare Road
Halifax HX1 2HY / GB
[2022/39]
Application number, filing date20889537.518.11.2020
[2022/39]
WO2020CA51568
Priority number, dateUS201962939351P22.11.2019         Original published format: US 201962939351 P
[2022/39]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2021097565
Date:27.05.2021
Language:EN
[2021/21]
Type: A1 Application with search report 
No.:EP4062024
Date:28.09.2022
Language:EN
The application published by WIPO in one of the EPO official languages on 27.05.2021 takes the place of the publication of the European patent application.
[2022/39]
Search report(s)International search report - published on:CA27.05.2021
(Supplementary) European search report - dispatched on:EP15.02.2023
ClassificationIPC:E21B21/06, B01D1/14, B01D5/00, F02G5/02, F26B21/00, F26B23/02
[2023/11]
CPC:
B01D1/0082 (EP,US); E21B21/063 (US); B01D1/14 (EP,US);
E21B21/065 (EP)
Former IPC [2022/39]E21B21/06, B01D1/14, B01D5/00, F02G5/02
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 [2022/39]
TitleGerman:SYSTEM UND VERFAHREN ZUR ENTFERNUNG VON BOHRFLÜSSIGKEIT AUS BOHRKLEIN MITTELS DIREKTER WÄRME[2022/39]
English:SYSTEM AND METHOD FOR REMOVING DRILLING FLUID FROM DRILL CUTTINGS USING DIRECT HEAT[2022/39]
French:SYSTÈME ET PROCÉDÉ D'ÉLIMINATION DE FLUIDE DE FORAGE PRÉSENT DANS DES DÉBLAIS DE FORAGE À L'AIDE DE CHALEUR DIRECTE[2022/39]
Entry into regional phase27.04.2022National basic fee paid 
27.04.2022Search fee paid 
27.04.2022Designation fee(s) paid 
27.04.2022Examination fee paid 
Examination procedure27.04.2022Examination requested  [2022/39]
01.09.2023Amendment by applicant (claims and/or description)
01.09.2023Date on which the examining division has become responsible
28.11.2023Despatch of a communication from the examining division (Time limit: M04)
28.03.2024Reply to a communication from the examining division
17.04.2024Despatch of a communication from the examining division (Time limit: M04)
14.08.2024Reply to a communication from the examining division
Fees paidRenewal fee
28.11.2022Renewal fee patent year 03
28.11.2023Renewal fee patent year 04
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Documents cited:Search[XI]US4387514  (MCCASKILL JR JAMES N);
 [XI]US6530438  (MCINTYRE BARRY E [CA]);
 [XI]US2003136747  (WOOD BRADFORD RUSSELL [US], et al);
 [XI]US2003155158  (SZYMOCHA KAZIMIERZ S [CA], et al)
International search[XY]US6695077  (SZYMOCHA KAZIMIERZ S [CA], et al) [X] 34 *abstract; figure 1; col. 1, lines 45-59; col. 7, lines 3-11; col. 8, lines 25-60; col. 9, lines 15-20; col. 9, lines 39-59; col. 10, lines 22-34; col. 11, lines 15-67* [Y] 1-33,35-38;
 [Y]US6722436  (KRILL ROSS MICHAEL [CA]) [Y] 1-3, 6, 8-9, 11, 13-22, 24-29,31-33, 35-38*abstract; col. 6, line 57 - col. 7, line 39*;
 [Y]US2005260111  (ARRISON NORMAN [CA], et al) [Y] 1-13, 15-31, 35-38 *abstract; paragraphs [0038]-[0039]*
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.