(19)

(11)

EP 2 089 271 A2

(12)

(88) Date of publication A3: 25.05.2009 (43) Date of publication: 19.08.2009 Bulletin 2009/34 (21) Application number: 07838715.6 (22) Date of filing: 21.09.2007

(51) International Patent Classification (IPC):  B63H 9/04(2006.01) (86) International application number: PCT/US2007/020565 (87) International publication number: WO 2008/036418 (27.03.2008 Gazette 2008/13)

(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 (30) Priority: 21.09.2006 US 847071 P (71) Applicant: Harken, Inc. Pewaukee, Wisconsin 53072 (US)	(72) Inventors: BROWN, Ethan Waukesha, WI 53186 (US) VARNEY, Lucien Cowes, I.O.W. PO 31 4NN (GB) (74) Representative: Lawrence, John  Barker Brettell LLP 138 Hagley Road Edgbaston Birmingham West Midlands B16 9PW Edgbaston Birmingham West Midlands B16 9PW (GB)