(19)

(11)

EP 2 663 812 A2

(12)

(88) Date of publication A3: 01.11.2012 (43) Date of publication: 20.11.2013 Bulletin 2013/47 (21) Application number: 12734412.5 (22) Date of filing: 13.01.2012

(51) International Patent Classification (IPC):  F24J 2/00(2006.01) G02B 6/04(2006.01) F24J 2/06(2006.01) (86) International application number: PCT/US2012/021255 (87) International publication number: WO 2012/097260 (19.07.2012 Gazette 2012/29)

(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 (30) Priority: 14.01.2011 US 201161432955 P (71) Applicant: Cewa Technologies, Inc. Bethlehem, PA 18015 (US)	(72) Inventor: FANGMAN, John S. Leesport Pennsylvania 19533 (US) (74) Representative: Strehl Schübel-Hopf & Partner  Maximilianstrasse 54 80538 München 80538 München (DE)