(19)

(11)

EP 2 861 341 A1

(12)

(43) Date of publication: 22.04.2015 Bulletin 2015/17 (21) Application number: 13803448.3 (22) Date of filing: 17.06.2013

(51) International Patent Classification (IPC):  B01J 19/08(2006.01) F23C 5/00(2006.01) B01J 19/26(2006.01) (86) International application number: PCT/US2013/046202 (87) International publication number: WO 2013/188889 (19.12.2013 Gazette 2013/51)

(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 (30) Priority: 15.06.2012 US 201261660684 P (71) Applicant: Clearsign Combustion Corporation Seattle, WA 98168 (US)	(72) Inventors: COLANNINO, Joseph Bellevue, Washington 98008 (US) GOODSON, David B. Bellevue, Washington 98006 (US) KRICHTAFOVITCH, Igor A. Kirkland, Washington 98033 (US) WIKLOF, Christopher A. Everett, Washington 98208 (US) (74) Representative: Trinks, Ole  Meissner, Bolte & Partner GbR P.O. Box 102605 86016 Augsburg 86016 Augsburg (DE)