(19)

(11)

EP 3 500 818 A1

(12)

(43) Date of publication: 26.06.2019 Bulletin 2019/26 (21) Application number: 17768867.8 (22) Date of filing: 18.08.2017

(51) International Patent Classification (IPC):  F42D 1/055(2006.01) (86) International application number: PCT/IB2017/055008 (87) International publication number: WO 2018/033881 (22.02.2018 Gazette 2018/08)

(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 (30) Priority: 19.08.2016 IN 201641028312 (71) Applicant: Pavuluri, Bharath Hyderabad Telangana 500 007 (IN)	(72) Inventors: PAVULURI, Ravi Theja Hyderabad Telangana 500 007 (IN) PAVULURI, Rama Lakshmana Rao Hyderabad Telangana 500 007 (IN) PAVULURI, Bharath Hyderabad Telangana 500 007 (IN) (74) Representative: RGTH  Patentanwälte PartGmbB Neuer Wall 10 20354 Hamburg 20354 Hamburg (DE)