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EP 3 601 753 A1

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(43) Date of publication: 05.02.2020 Bulletin 2020/06 (21) Application number: 18722317.7 (22) Date of filing: 13.04.2018

(51) International Patent Classification (IPC):  F01M 13/02(2006.01) F15D 1/00(2006.01) G05D 7/01(2006.01) (86) International application number: PCT/US2018/027510 (87) International publication number: WO 2018/176061 (27.09.2018 Gazette 2018/39)

(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 (30) Priority: 23.03.2017 US 201762475354 P 14.04.2017 US 201762485653 P 23.03.2018 US 201815933773 (71) Applicant: DLHBowles, Inc. Canton, Ohio 44706 (US)	(72) Inventors: GOPALAN, Shridhar Westminster, Maryland 21158 (US) ZAMENSKI, Corey Essex, Maryland 21221 (US) (74) Representative: Müller-Boré & Partner Patentanwälte PartG mbB  Friedenheimer Brücke 21 80639 München 80639 München (DE)