(19)

(11)

EP 4 416 434 A2

(12)

(88) Date of publication A3: 15.06.2023 (43) Date of publication: 21.08.2024 Bulletin 2024/34 (21) Application number: 22829793.3 (22) Date of filing: 14.10.2022

(51) International Patent Classification (IPC):  F24H 1/38(2022.01) F23C 13/08(2006.01) F24H 9/14(2006.01) F24H 1/00(2022.01) F28F 3/04(2006.01) F23C 13/02(2006.01) F24H 9/00(2022.01) F24H 9/1832(2022.01) F24H 1/14(2022.01) F28D 9/00(2006.01) (52) Cooperative Patent Classification (CPC): F24H 9/148; F24H 9/0026; F24H 9/1832; F23C 13/02; F23C 13/08; F24H 1/0045; F24H 1/145; F28F 3/046; F28D 9/0056; F23D 14/02; F23D 2203/101; F23D 14/18; F23D 2900/3102; F28D 2021/0024 (86) International application number: PCT/GB2022/052616 (87) International publication number: WO 2023/062384 (20.04.2023 Gazette 2023/16)

(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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: KH MA MD TN (30) Priority: 14.10.2021 GB 202114695 (71) Applicant: McGee, Thomas R Thornaby Stockton-on-Tees Cleveland TS17 8PD (GB)	(72) Inventor: McGee, Thomas R Thornaby Stockton-on-Tees Cleveland TS17 8PD (GB) (74) Representative: Hartley, Lucinda Jane  Hargreaves Elsworth 26 Northumberland Square North Shields, Tyne and Wear NE30 1PW North Shields, Tyne and Wear NE30 1PW (GB)