(19)

(11)

EP 4 816 697 A1

(12)

(43) Date of publication: 07.10.2026 Bulletin 2026/41 (21) Application number: 24898910.5 (22) Date of filing: 02.12.2024

(51) International Patent Classification (IPC):  F04C 18/02(2006.01) F04C 29/02(2006.01) F04C 29/12(2006.01) (52) Cooperative Patent Classification (CPC): F04C 29/12; F04C 18/0215; F04C 18/023; F04C 18/0253; F04C 23/008; F04C 29/0057; F04C 2240/603 (86) International application number: PCT/US2024/058127 (87) International publication number: WO 2025/117970 (05.06.2025 Gazette 2025/23)

(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: GE KH MA MD TN (30) Priority: 30.11.2023 US 202363604770 P (71) Applicant: Hillyer Associates, LLC Franklin, Tennessee, 37064 (US)	(72) Inventors: HILL, Joe, Todd Pinckney, MI 48169 (US) HILL, Sandra, Dee Pinckney, MI 48169 (US) (74) Representative: Radkov, Stoyan Atanassov  Priority IP Ltd 45 Nortoft Road Chalfont St Peter Gerrards Cross Buckinghamshire SL9 0LA Gerrards Cross Buckinghamshire SL9 0LA (GB)