(19)
(11) EP 3 884 109 A1

(12)

(43) Date of publication:
29.09.2021 Bulletin 2021/39

(21) Application number: 19887413.3

(22) Date of filing: 28.10.2019
(51) International Patent Classification (IPC): 
E01H 1/04(2006.01)
(52) Cooperative Patent Classification (CPC):
E01H 1/04
(86) International application number:
PCT/AU2019/051183
(87) International publication number:
WO 2020/102848 (28.05.2020 Gazette 2020/22)
(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 MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME
Designated Validation States:
KH MA MD TN

(30) Priority: 22.11.2018 AU 2018904463
03.12.2018 AU 2018904590

(71) Applicant: Aero-Tech Pty Ltd
Nunawading, VIC 3131 (AU)

(72) Inventors:
  • TOZER, Warwick
    Nunawading, 3131 (AU)
  • TOZER, Stuart
    Nunawading, 3131 (AU)

(74) Representative: Carpmael, Robert Maurice Charles 
Marks & Clerk LLP 15 Fetter Lane
London EC4A 1BW
London EC4A 1BW (GB)

   


(54) DOWNFORCE SWEEPER