(19)

(11)

EP 1 670 677 A1

(12)

(43) Date of publication: 21.06.2006 Bulletin 2006/25 (21) Application number: 04761642.0 (22) Date of filing: 06.08.2004

(51) International Patent Classification (IPC):  B63C 9/00(1968.09) B63B 35/44(1968.09) B63G 8/40(1968.09) B63C 9/22(1968.09) B63G 8/00(1968.09) (86) International application number: PCT/CA2004/001478 (87) International publication number: WO 2005/023638 (17.03.2005 Gazette 2005/11)

(84) Designated Contracting States: DE FR GB (30) Priority: 05.09.2003 CA 2439844 (71) Applicant: Subevak Systems Inc. St. John's, Newfoundland A1B 2N1 (CA)	(72) Inventor: PIKE, Gordon, J. St. John's, Newfoundland A1B 2N1 (CA) (74) Representative: Cummings, Sean Patrick et al David Keltie Associates Fleet Place House 2 Fleet Place London EC4M 7ET London EC4M 7ET (GB)