(19)

(11)

EP 2 681 591 A2

(12)

(88) Date of publication A3: 30.05.2013 (43) Date of publication: 08.01.2014 Bulletin 2014/02 (21) Application number: 11815771.8 (22) Date of filing: 22.12.2011

(51) International Patent Classification (IPC):  G01V 1/38(2006.01) B63G 8/00(2006.01) B63G 8/42(2006.01) B63B 1/04(2006.01) B63G 8/18(2006.01) (86) International application number: PCT/GB2011/052572 (87) International publication number: WO 2012/085590 (28.06.2012 Gazette 2012/26)

(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 (30) Priority: 23.12.2010 GB 201021902 03.02.2011 GB 201101861 (71) Applicant: GO SCIENCE LIMITED Park Row Bristol BS1 5UB (GB)	(72) Inventor: GOSLING, Harry George Dennis South Gloucestershire BS35 3RW (GB) (74) Representative: Ribeiro, James Michael  Withers & Rogers LLP 4 More London Riverside London SE1 2AU London SE1 2AU (GB)