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EP 3 601 910 A1

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(43) Date of publication: 05.02.2020 Bulletin 2020/06 (21) Application number: 18771530.5 (22) Date of filing: 07.03.2018

(51) International Patent Classification (IPC):  F25D 9/00(2006.01) B65D 81/26(2006.01) F25D 29/00(2006.01) B65D 81/38(2006.01) F25D 3/08(2006.01) F25D 17/02(2006.01) (86) International application number: PCT/US2018/021379 (87) International publication number: WO 2018/175110 (27.09.2018 Gazette 2018/39)

(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: 24.03.2017 US 201715468457 (71) Applicant: Tokitae LLC Bellevue, Washington 98005-4046 (US)

(72) Inventors: CHOU, Fong-Li Bellevue, Washington 98006 (US) WELKHOFF, Philip A. Kirkland, Washington 98033 (US) FOWLER, Lawrence Morgan Kirkland, Washington 98033 (US) LIU, Shieng Bellevue, Washington 98008 (US) MAIER-LAXHUBER, Peter K. 85276 Pfaffenhofen (DE) PETERSON, Nels R. Bellevue, Washington 98008 (US) POLESHCHUK, Ivan 85521 Riemerling (DE) SCHMIDT, Ralf W. 85354 Freising (DE) TEGREENE, Clarence T. Mercer Island, Washington 98040 (US) WOOD, Lowell L., Jr. Bellevue, Washington 98004 (US) WÖRZ, Reiner M. 85293 Reichertshausen (DE) YAGER, David J. Carnation, Washington 98014 (US) (74) Representative: D Young & Co LLP  120 Holborn London EC1N 2DY London EC1N 2DY (GB)