(19)

(11)

EP 3 639 284 A1

(12)

(43) Date of publication: 22.04.2020 Bulletin 2020/17 (21) Application number: 18737089.5 (22) Date of filing: 12.06.2018

(51) International Patent Classification (IPC):  H01G 4/30(2006.01) H01G 4/015(2006.01) H01G 4/18(2006.01) H01G 4/32(2006.01) H01G 4/14(2006.01) (86) International application number: PCT/US2018/037131 (87) International publication number: WO 2018/231846 (20.12.2018 Gazette 2018/51)

(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: 16.06.2017 US 201715625282 (71) Applicant: Sigma Technologies Int'l., LLC Tucson, AZ 85737 (US)	(72) Inventor: YIALIZIS, Angelo Tucson AZ 85737 (US) (74) Representative: Lohr, Jöstingmeier & Partner  Junkersstraße 3 82178 Puchheim/München 82178 Puchheim/München (DE)