(19)

(11)

EP 2 847 391 A1

(12)

(43) Date of publication: 18.03.2015 Bulletin 2015/12 (21) Application number: 12874979.3 (22) Date of filing: 23.04.2012

(51) International Patent Classification (IPC):  E03B 11/02(2006.01) (86) International application number: PCT/US2012/034693 (87) International publication number: WO 2013/162507 (31.10.2013 Gazette 2013/44)

(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: Ethosystems LLC Warrenton, VA 20187 (US)	(72) Inventor: WALLS, Judson, E. Warrenton, VA 20187 (US) (74) Representative: Gerstein, Hans Joachim et al Gramm, Lins & Partner GbR Freundallee 13 30173 Hannover 30173 Hannover (DE)