(19)
(11) EP 3 797 194 A1

(12)

(43) Date of publication:
31.03.2021 Bulletin 2021/13

(21) Application number: 19807199.5

(22) Date of filing: 22.05.2019
(51) International Patent Classification (IPC): 
E01H 5/07(2006.01)
E01H 5/12(2006.01)
 E01H 1/04(2006.01)
(86) International application number:
PCT/CA2019/050695
(87) International publication number:
WO 2019/222844 (28.11.2019 Gazette 2019/48)
(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: 23.05.2018 US 201862675309 P

(71) Applicant: Eagle Aerospace, Ltd.
Campbellford, Ontario K0L 1L0 (CA)

(72) Inventors:
  • MCKEOWN, Stephen Lyle
    Campbellford, Ontario K0L 1L0 (CA)
  • MCKEOWN, Samuel
    Campbellford, Ontario K0L 1L0 (CA)
  • CUDMORE, Paul Edward
    Castleton, Ontario K0K 1M0 (CA)
  • SHATTUCK, Ty
    Burlington, Ontario L7L 7K2 (CA)

(74) Representative: Clarenbach, Carl-Philipp et al
Gleiss Große Schrell und Partner mbB Patentanwälte Rechtsanwälte Leitzstraße 45
70469 Stuttgart
70469 Stuttgart (DE)

   


(54) METHOD AND SYSTEM FOR MOVING AND REMOVING WINTER CONTAMINANTS FROM AIRFIELD AND ROADWAY PAVEMENTS USING A SYSTEM OF ATTACHMENTS