(19)
(11) EP 2 981 650 A1

(12)

(43) Date of publication:
10.02.2016 Bulletin 2016/06

(21) Application number: 14780203.7

(22) Date of filing: 03.04.2014
(51) International Patent Classification (IPC): 
E01C 19/26(2006.01)
E02D 3/026(2006.01)
(86) International application number:
PCT/US2014/032854
(87) International publication number:
WO 2014/165689 (09.10.2014 Gazette 2014/41)
(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

(30) Priority: 05.04.2013 US 201361809018 P
02.04.2014 US 201414243379

(71) Applicant: Caterpillar Inc.
Peoria, IL 61629 (US)

(72) Inventors:
  • YANIAK, Thomas John
    Washington, Illinois 61571 (US)
  • MAJEWSKI, Thomas
    East Peoria, Illinois 61611 (US)

(74) Representative: Wagner & Geyer 
Partnerschaft Patent- und Rechtsanwälte Gewürzmühlstrasse 5
80538 München
80538 München (DE)

   


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