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(11)

EP 4 356 002 A1

(12)

(43) Date of publication: 24.04.2024 Bulletin 2024/17 (21) Application number: 22850169.8 (22) Date of filing: 26.07.2022

(51) International Patent Classification (IPC):  F04B 15/02(2006.01) F04B 49/06(2006.01) F04B 17/03(2006.01) F04B 53/14(2006.01) (52) Cooperative Patent Classification (CPC): F04B 9/02; F04B 17/03; F04B 49/20; F04B 53/147; F04B 23/06; F04B 17/06 (86) International application number: PCT/US2022/038294 (87) International publication number: WO 2023/009487 (02.02.2023 Gazette 2023/05)

(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: 28.07.2021 US 202163203697 P 25.07.2022 US 202217872474 (71) Applicant: Wagner Spray Tech Corporation Plymouth, MN 55447 (US)	(72) Inventors: ZIENTARA, Daniel R. Lakeville, Minnesota 55044 (US) JERDEE, Jeffrey Scott Brooklyn Park, Minnesota 55443 (US) SULZER, Christopher J. Louis Park, Minnesota 55426 (US) (74) Representative: Otten, Roth, Dobler & Partner mbB Patentanwälte  Großtobeler Straße 39 88276 Berg / Ravensburg 88276 Berg / Ravensburg (DE)