(19)

(11)

EP 3 707 445 A1

(12)

(43) Date of publication: 16.09.2020 Bulletin 2020/38 (21) Application number: 18875536.7 (22) Date of filing: 09.11.2018

(51) International Patent Classification (IPC):  F25B 21/00(2006.01) F25B 1/00(2006.01) F25B 13/00(2006.01) F28D 1/06(2006.01) F25B 29/00(2006.01) F25B 7/00(2006.01) F25B 30/06(2006.01) (86) International application number: PCT/US2018/060057 (87) International publication number: WO 2019/094737 (16.05.2019 Gazette 2019/20)

(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: KH MA MD TN (30) Priority: 10.11.2017 US 201762584125 P 02.01.2018 US 201862708959 P 03.10.2018 US 201862766143 P (71) Applicant: Neiser, Paul Mountain View, California 94039 (US)	(72) Inventor: Neiser, Paul Mountain View, California 94039 (US) (74) Representative: Clark, Jane Anne et al Mathys & Squire LLP The Shard 32 London Bridge Street London SE1 9SG London SE1 9SG (GB)