(19)

(11)

EP 3 152 815 A1

(12)

(43) Date of publication: 12.04.2017 Bulletin 2017/15 (21) Application number: 15803273.0 (22) Date of filing: 28.05.2015

(51) International Patent Classification (IPC):  H02J 13/00(2006.01) G08C 17/02(2006.01) H01H 3/02(2006.01) G05B 19/042(2006.01) H01H 23/02(2006.01) H05B 37/02(2006.01) (86) International application number: PCT/CA2015/050487 (87) International publication number: WO 2015/184535 (10.12.2015 Gazette 2015/49)

(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: MA (30) Priority: 04.06.2014 US 201414295885 04.06.2014 US 201414295902 04.06.2014 US 201414295927 (71) Applicant: Levven Automation Inc. Edmonton, Alberta T6E 5J4 (CA)	(72) Inventors: KEIRSTEAD, James Edmonton, Alberta T6E 5J4 (CA) QUALIE, Jim Edmonton, Alberta T6E 5J4 (CA) DONG, Yi Edmonton, Alberta T6E 5J4 (CA) (74) Representative: Cabinet Laurent & Charras  Le Contemporain 50 Chemin de la Bruyère 69574 Dardilly Cedex 69574 Dardilly Cedex (FR)