(19)

(11)

EP 1 948 877 A2

(12)

(88) Date of publication A3: 04.10.2007 (43) Date of publication: 30.07.2008 Bulletin 2008/31 (21) Application number: 06817095.0 (22) Date of filing: 17.10.2006

(51) International Patent Classification (IPC):  E04B 1/32(2006.01) (86) International application number: PCT/US2006/040642 (87) International publication number: WO 2007/047727 (26.04.2007 Gazette 2007/17)

(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 NL PL PT RO SE SI SK TR (30) Priority: 17.10.2005 US 252067 (71) Applicant: Ultraflote Corporation Houston, TX 77024 (US)	(72) Inventor: KERN, Ronald, Carl Katy, TX 77450 (US) (74) Representative: Copsey, Timothy Graham et al Kilburn & Strode, 20 Red Lion Street London WC1R 4PJ London WC1R 4PJ (GB)