(19)
(11) EP 4 466 410 A1

(12)

(43) Date of publication:
27.11.2024 Bulletin 2024/48

(21) Application number: 23702653.9

(22) Date of filing: 19.01.2023
(51) International Patent Classification (IPC): 
E02F 3/92(2006.01)
F04D 1/00(2006.01)
 E02F 7/00(2006.01)
(52) Cooperative Patent Classification (CPC):
E02F 3/9275; E02F 7/005; F04D 1/04
(86) International application number:
PCT/GB2023/050095
(87) International publication number:
WO 2023/139365 (27.07.2023 Gazette 2023/30)
(84) Designated Contracting States:
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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA
Designated Validation States:
KH MA MD TN

(30) Priority: 21.01.2022 GB 202200798

(71) Applicant: Rotech Group Limited
Aberdeen, Aberdeenshire AB16 6HQ (GB)

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

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

   


(54) IMPROVEMENTS IN AND RELATING TO UNDERWATER EXCAVATION APPARATUS