(19)

(11)

EP 2 176 935 A1

(12)

(43) Date of publication: 21.04.2010 Bulletin 2010/16 (21) Application number: 07813428.5 (22) Date of filing: 26.07.2007

(51) International Patent Classification (IPC):  H02J 7/04(2006.01) (86) International application number: PCT/US2007/074504 (87) International publication number: WO 2009/014543 (29.01.2009 Gazette 2009/05)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR Designated Extension States: AL BA HR MK RS (71) Applicant: I-Conserve, LLC State College PA 16801-2435 (US)	(72) Inventors: BOGOLEA, Bradley, D. Beaver, PA 15009 (US) BOYLE, Patrick, J. Dallas, PA 18612 (US) (74) Representative: Edlund, Fabian  Awapatent AB P.O. Box 11394 404 28 Göteborg 404 28 Göteborg (SE)