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Extract from the Register of European Patents

EP About this file: EP3504381

EP3504381 - IMPROVEMENTS IN AND RELATING TO UNDERWATER EXCAVATION APPARATUS [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  17.01.2025
Database last updated on 18.01.2025
FormerThe patent has been granted
Status updated on  09.02.2024
FormerGrant of patent is intended
Status updated on  20.09.2023
FormerExamination is in progress
Status updated on  03.12.2021
FormerRequest for examination was made
Status updated on  31.05.2019
FormerThe international publication has been made
Status updated on  03.03.2018
Formerunknown
Status updated on  08.09.2017
Most recent event   Tooltip17.01.2025No opposition filed within time limitpublished on 19.02.2025 [2025/08]
Applicant(s)For all designated states
Rotech Group Limited
Whitemyres Avenue
Mastrick Industrial Estate
Aberdeen, Aberdeenshire AB16 6HQ / GB
[2024/11]
Former [2019/27]For all designated states
Rotech Group Limited
Whitemyres Avenue
Mastrick Industrial Estate
Aberdeen, Aberdeenshire AB16 6HQ / GB
Inventor(s)01 / STEWART, Kenneth Roderick
Rotech Holdings Limited
Whitemyers Avenue
Mastrick Industrial Estate
Aberdeen Aberdeenshire AB16 6HQ / GB
02 / STEWART, Donald
Rotech Holdings Limited
Whitemyres Avenue
Mastrick Industrial Estate
Aberdeen Aberdeenshire AB2 6HQ / GB
 [2019/27]
Representative(s)(deleted)
[N/P]
Former [2024/11]Marks & Clerk LLP
15 Fetter Lane
London EC4A 1BW / GB
Former [2019/27]Moreland, David
Marks & Clerk LLP
Aurora
120 Bothwell Street
Glasgow G2 7JS / GB
Application number, filing date17758919.923.08.2017
[2019/27]
WO2017GB52490
Priority number, dateGB2016001446024.08.2016         Original published format: GB 201614460
GB2017000286622.02.2017         Original published format: GB 201702866
[2019/27]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report
No.:WO2018037232
Date:01.03.2018
Language:EN
[2018/09]
Type: A2 Application without search report 
No.:EP3504381
Date:03.07.2019
Language:EN
The application published by WIPO in one of the EPO official languages on 01.03.2018 takes the place of the publication of the European patent application.
[2019/27]
Type: B1 Patent specification 
No.:EP3504381
Date:13.03.2024
Language:EN
[2024/11]
Type: B8 Corrected title page of specification 
No.:EP3504381
Date:17.04.2024
[2024/16]
Search report(s)International search report - published on:EP12.04.2018
ClassificationIPC:E02F3/92
[2019/27]
CPC:
E02F3/9206 (EP,US); E02F9/00 (CN,US); E02F3/88 (GB,US);
E02F3/9243 (US); E02F3/00 (CN,US); E02F3/8858 (US);
E02F3/92 (GB,US); E02F5/107 (US); E02F5/108 (US);
F04D29/181 (US); F04D29/528 (US); F04D29/669 (US);
E02F5/02 (US); E02F5/28 (US) (-)
Designated contracting statesAL,   AT,   BE,   BG,   CH,   CY,   CZ,   DE,   DK,   EE,   ES,   FI,   FR,   GR,   HR,   HU,   IE,   IS,   IT,   LI,   LT,   LU,   LV,   MC,   MK,   MT,   NL,   NO,   PL,   PT,   RO,   RS,   SE,   SI,   SK,   SM,   TR [2024/16]  
Former [2019/27]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 
Extension statesBANot yet paid
MENot yet paid
Validation statesMANot yet paid
MDNot yet paid
TitleGerman:VERBESSERUNGEN AN ODER IM ZUSAMMENHANG MIT EINER UNTERWASSERAUSHUBVORRICHTUNG[2019/27]
English:IMPROVEMENTS IN AND RELATING TO UNDERWATER EXCAVATION APPARATUS[2019/27]
French:AMÉLIORATIONS POUR APPAREIL D'EXCAVATION SOUS-MARIN ET SE RAPPORTANT À CE DERNIER[2019/27]
Entry into regional phase06.02.2019National basic fee paid 
06.02.2019Designation fee(s) paid 
06.02.2019Examination fee paid 
Examination procedure05.06.2018Request for preliminary examination filed
International Preliminary Examining Authority: EP
06.02.2019Examination requested  [2019/27]
06.02.2019Date on which the examining division has become responsible
27.09.2019Amendment by applicant (claims and/or description)
02.12.2021Despatch of a communication from the examining division (Time limit: M04)
15.03.2022Reply to a communication from the examining division
21.09.2023Communication of intention to grant the patent
31.01.2024Fee for grant paid
31.01.2024Fee for publishing/printing paid
31.01.2024Receipt of the translation of the claim(s)
Divisional application(s)EP22163599.8  / EP4036321
EP22163603.8  / EP4036322
Opposition(s)16.12.2024No opposition filed within time limit [2025/08]
Fees paidRenewal fee
30.08.2019Renewal fee patent year 03
13.08.2020Renewal fee patent year 04
10.09.2021Renewal fee patent year 05
18.07.2022Renewal fee patent year 06
05.07.2023Renewal fee patent year 07
Penalty fee
Additional fee for renewal fee
31.08.202105   M06   Fee paid on   10.09.2021
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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  TooltipCZ13.03.2024
ES13.03.2024
HR13.03.2024
PL13.03.2024
RO13.03.2024
SK13.03.2024
SM13.03.2024
NO13.06.2024
RS13.06.2024
GR14.06.2024
IS13.07.2024
[2024/49]
Former [2024/48]CZ13.03.2024
ES13.03.2024
HR13.03.2024
SM13.03.2024
NO13.06.2024
RS13.06.2024
GR14.06.2024
IS13.07.2024
Former [2024/47]ES13.03.2024
HR13.03.2024
SM13.03.2024
NO13.06.2024
RS13.06.2024
GR14.06.2024
IS13.07.2024
Former [2024/46]ES13.03.2024
HR13.03.2024
NO13.06.2024
RS13.06.2024
GR14.06.2024
IS13.07.2024
Former [2024/35]ES13.03.2024
HR13.03.2024
NO13.06.2024
RS13.06.2024
GR14.06.2024
Former [2024/34]HR13.03.2024
NO13.06.2024
RS13.06.2024
GR14.06.2024
Former [2024/33]NO13.06.2024
Cited inInternational search[XY]US3148464  (JONES KENNETH M);
 [X]US3855367  (WEBB W);
 [X]WO8805103  (EDDY PUMP CORP [US]);
 [A]EP0328198  (RAPID MULTIPURPOSE UK WING DRE [GB]);
 [Y]EP0527227  (ISHIGAKI MECH IND [JP]);
 [XY]GB2301128  (SUSMAN HECTOR FILIPPUS ALEXAND [GB], et al);
 [A]WO9827286  (LEDINGHAM CHALMERS TRUSTEE COM [GB], et al);
 [Y]US2003228214  (MCBRIDE MARK W [US]);
 [A]WO2004065700  (REDDING JOHN [GB]);
 [X]WO2010143982  (GOODIN JOSEPH MICHAEL [NZ]);
 [Y]EP2317016  (ROTECH HOLDINGS LTD [GB]);
 [Y]CN203239626U  (UNIV JIANGSU)
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.