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(11)

EP 3 555 525 A1

(12)

(43) Date of publication: 23.10.2019 Bulletin 2019/43 (21) Application number: 17829824.6 (22) Date of filing: 19.12.2017

(51) International Patent Classification (IPC):  F21V 23/04(2006.01) F21Y 105/18(2016.01) F21V 5/04(2006.01) F21Y 115/10(2016.01) (86) International application number: PCT/US2017/067364 (87) International publication number: WO 2018/118955 (28.06.2018 Gazette 2018/26)

(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: MA MD TN (30) Priority: 19.12.2016 US 201615383469 18.08.2017 US 201762547454 P (71) Applicant: Whelen Engineering Company, Inc. Chester, CT 06412 (US)	(72) Inventors: STOPA, James, L. East Hampton CT 06424 (US) SMITH, Todd, J. Deep River CT 06417 (US) (74) Representative: Prinz & Partner mbB  Patent- und Rechtsanwälte Rundfunkplatz 2 80335 München 80335 München (DE)