(19)

(11)

EP 3 931 499 A2

(12)

(88) Date of publication A3: 26.11.2020 (43) Date of publication: 05.01.2022 Bulletin 2022/01 (21) Application number: 20709155.4 (22) Date of filing: 02.03.2020

(51) International Patent Classification (IPC):  F24F 13/078(2006.01) (52) Cooperative Patent Classification (CPC): F24F 13/078 (86) International application number: PCT/EP2020/055455 (87) International publication number: WO 2020/178246 (10.09.2020 Gazette 2020/37)

(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: 01.03.2019 GB 201902817 12.07.2019 GB 201910063 12.09.2019 GB 201913207 (71) Applicant: Sleep Safe Systems Ltd Newbury, Berkshire RG19 6HW (GB)	(72) Inventors: WARD, Bob Newbury Berkshire RG19 6HW (GB) WESTON, Tom Newbury Berkshire RG19 6HW (GB) (74) Representative: Beck Greener LLP  Fulwood House 12 Fulwood Place London WC1V 6HR London WC1V 6HR (GB)