(19)

(11)

EP 3 897 998 A1

(12)

(43) Date of publication: 27.10.2021 Bulletin 2021/43 (21) Application number: 19903056.0 (22) Date of filing: 23.12.2019

(51) International Patent Classification (IPC):  B05B 3/12(2006.01) B08B 9/093(2006.01) B05B 15/72(2018.01) (52) Cooperative Patent Classification (CPC): B05B 3/049; B08B 9/0933; B08B 9/0936; B05B 3/0445 (86) International application number: PCT/US2019/068359 (87) International publication number: WO 2020/139839 (02.07.2020 Gazette 2020/27)

(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: 23.12.2018 US 201862784512 P 11.06.2019 US 201916437796 (71) Applicant: Agi Engineering, Inc. Stockton, CA 95205 (US)	(72) Inventor: INNES, Alexander, G. Lodi, CA 95242 (US) (74) Representative: MacLachlan & Donaldson  Unit 10, 4075 Kingswood Road Citywest Business Campus Dublin D24 C56E Dublin D24 C56E (IE)