(19)

(11)

EP 3 537 943 A2

(12)

(88) Date of publication A3: 20.09.2018 (43) Date of publication: 18.09.2019 Bulletin 2019/38 (21) Application number: 17801267.0 (22) Date of filing: 08.11.2017

(51) International Patent Classification (IPC):  A47L 9/12(2006.01) A47L 5/16(2006.01) A47L 5/28(2006.01) A47L 9/16(2006.01) A47L 9/14(2006.01) (86) International application number: PCT/US2017/060643 (87) International publication number: WO 2018/089496 (17.05.2018 Gazette 2018/20)

(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 MD (30) Priority: 08.11.2016 US 201662419231 P (71) Applicant: TTI (Macao Commercial Offshore) Limited Macao (MO)	(72) Inventors: PAULLA, Kirti, Kant Charlotte, NC 28269 (US) GUZEWICZ, Blake Charlotte, NC 28204 (US) BOZZELLI, Robert Monroe, NC 28110 (US) ANDRIKANICH, Justin Concord, NC 28027 (US) (74) Representative: Ashton, Timothy  Forresters IP LLP Skygarden Erika-Mann-Strasse 11 80636 München 80636 München (DE)