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EP 4 171 694 A1

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(43) Date of publication: 03.05.2023 Bulletin 2023/18 (21) Application number: 21832832.6 (22) Date of filing: 21.06.2021

(51) International Patent Classification (IPC):  A61M 16/00(2006.01) A61M 16/10(2006.01) A61G 10/02(2006.01) A47C 21/04(2006.01) A61M 16/06(2006.01) A61G 13/10(2006.01) A62B 7/10(2006.01) (52) Cooperative Patent Classification (CPC): A62B 7/10; A47C 7/62; A47C 31/007; F24F 8/10; F24F 2221/38; F24F 13/20; A61L 9/16; A61L 2209/111; A61L 9/20; A61L 9/22; A61B 5/0836; A61B 5/097; A61B 5/742; A61B 5/4845; A61B 2503/24; A61B 5/7282 (86) International application number: PCT/US2021/038265 (87) International publication number: WO 2022/005793 (06.01.2022 Gazette 2022/01)

(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: 30.06.2020 US 202063046430 P 07.07.2020 US 202063048877 P 10.07.2020 US 202063050253 P 13.07.2020 US 202063051309 P 01.08.2020 US 202063060009 P 10.08.2020 US 202063063727 P 15.12.2020 US 202063125701 P 15.02.2021 US 202163149581 P 04.03.2021 US 202163156598 P 10.03.2021 US 202163158983 P 11.04.2021 US 202163173443 P 02.05.2021 US 202163182964 P 26.05.2021 US 202117331239 01.06.2021 US 202163195608 P 03.06.2021 US 202163196565 P (71) Applicant: Air-Clenz Systems LLC Atlanta, GA 30305 (US)

(72) Inventors: BLUM, Ronald Atlanta, GA 30305 (US) BROACH, Anita Christiansburg, VA 24073 (US) FRENCH, Russell Atlanta, GA 30305 (US) (74) Representative: Witthoff Jaekel Steinecke Patentanwälte PartG mbB  Postfach 1140 52412 Jülich 52412 Jülich (DE)