(19)
(11) EP 3 504 381 B8

(12) CORRECTED EUROPEAN PATENT SPECIFICATION
Note: Bibliography reflects the latest situation

(15) Correction information:
Corrected version no 1 (W1 B1)

(48) Corrigendum issued on:
17.04.2024 Bulletin 2024/16

(45) Mention of the grant of the patent:
13.03.2024 Bulletin 2024/11

(21) Application number: 17758919.9

(22) Date of filing: 23.08.2017
(51) International Patent Classification (IPC): 
E02F 3/92(2006.01)
(52) Cooperative Patent Classification (CPC):
E02F 3/9206
(86) International application number:
PCT/GB2017/052490
(87) International publication number:
WO 2018/037232 (01.03.2018 Gazette 2018/09)

(54)

IMPROVEMENTS IN AND RELATING TO UNDERWATER EXCAVATION APPARATUS

VERBESSERUNGEN AN ODER IM ZUSAMMENHANG MIT EINER UNTERWASSERAUSHUBVORRICHTUNG

AMÉLIORATIONS POUR APPAREIL D'EXCAVATION SOUS-MARIN ET SE RAPPORTANT À CE DERNIER

(84) Designated Contracting States:
AL 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

(30) Priority: 24.08.2016 GB 201614460
22.02.2017 GB 201702866

(43) Date of publication of application:
03.07.2019 Bulletin 2019/27

(60) Divisional application:
22163599.8 / 4036321
22163603.8 / 4036322

(73) Proprietor: Rotech Group Limited
Aberdeen, Aberdeenshire AB16 6HQ (GB)

(72) Inventors:
  • STEWART, Kenneth Roderick
    Aberdeen Aberdeenshire AB16 6HQ (GB)
  • STEWART, Donald
    Aberdeen Aberdeenshire AB2 6HQ (GB)

(74) Representative: Marks & Clerk LLP 
15 Fetter Lane
London EC4A 1BW
London EC4A 1BW (GB)


(56) References cited: : 
EP-A1- 0 328 198
EP-A2- 2 317 016
WO-A1-98/27286
WO-A1-2010/143982
GB-A- 2 301 128
US-A- 3 855 367
 EP-A1- 0 527 227
WO-A1-88/05103
WO-A1-2004/065700
CN-U- 203 239 626
US-A- 3 148 464
US-A1- 2003 228 214
   
       
    Note: Within nine months from the publication of the mention of the grant of the European patent, any person may give notice to the European Patent Office of opposition to the European patent granted. Notice of opposition shall be filed in a written reasoned statement. It shall not be deemed to have been filed until the opposition fee has been paid. (Art. 99(1) European Patent Convention).