(19)

(11)

EP 3 802 930 A1

(12)

(43) Date of publication: 14.04.2021 Bulletin 2021/15 (21) Application number: 19739750.8 (22) Date of filing: 11.06.2019

(51) International Patent Classification (IPC):  D03D 1/00(2006.01) D01F 6/76(2006.01) (86) International application number: PCT/US2019/036615 (87) International publication number: WO 2019/241295 (19.12.2019 Gazette 2019/51)

(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: 11.06.2018 US 201862683229 P (71) Applicant: Zephyros, Inc. Romeo, MI 48065 (US)	(72) Inventor: WALKER, Jason Romeo, MI 48065 (US) (74) Representative: Kutzenberger Wolff & Partner  Waidmarkt 11 50676 Köln 50676 Köln (DE)