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(11)

EP 3 259 535 A1

(12)

(43) Date of publication: 27.12.2017 Bulletin 2017/52 (21) Application number: 15882829.3 (22) Date of filing: 17.02.2015

(51) International Patent Classification (IPC):  F24F 6/14(2006.01) F24F 13/28(2006.01) B01D 39/06(2006.01) B82Y 30/00(2011.01) (86) International application number: PCT/US2015/016140 (87) International publication number: WO 2016/133491 (25.08.2016 Gazette 2016/34)

(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 (71) Applicant: Boonstra, Keith E. Holland, Michigan 49424 (US)	(72) Inventor: Boonstra, Keith E. Holland, Michigan 49424 (US) (74) Representative: Browne, Robin Forsythe et al Hepworth Browne 15 St Paul's Street Leeds LS1 2JG Leeds LS1 2JG (GB)