(19)

(11)

EP 3 464 780 A1

(12)

(43) Date of publication: 10.04.2019 Bulletin 2019/15 (21) Application number: 17807293.0 (22) Date of filing: 26.05.2017

(51) International Patent Classification (IPC):  E06C 1/04(2006.01) E06C 7/00(2006.01) E06C 1/14(2006.01) F21V 33/00(2006.01) (86) International application number: PCT/US2017/034769 (87) International publication number: WO 2017/210126 (07.12.2017 Gazette 2017/49)

(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: 03.06.2016 US 201662345248 P (71) Applicant: Red Dirt Innovations, LLC Perry, Oklahoma 73077 (US)	(72) Inventors: HULET, Timothy Perry, Oklahoma 73077 (US) WILLIAMSON, Donnie Newkirk, Oklahoma 74647 (US) (74) Representative: K2 IP Limited  c/o Keltie LLP No.1 London Bridge London SE1 9BA London SE1 9BA (GB)