(19)

(11)

EP 2 836 428 A1

(12)

(43) Date of publication: 18.02.2015 Bulletin 2015/08 (21) Application number: 13813670.0 (22) Date of filing: 27.03.2013

(51) International Patent Classification (IPC):  B64C 15/00(2006.01) B64C 27/08(2006.01) B63H 5/10(2006.01) B64C 29/00(2006.01) B64C 27/52(2006.01) (86) International application number: PCT/US2013/033985 (87) International publication number: WO 2014/007883 (09.01.2014 Gazette 2014/02)

(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 (30) Priority: 09.04.2012 US 201213442544 (71) Applicant: Smith, Frick A. Kingsland, TX 78639 (US)	(72) Inventor: Smith, Frick A. Kingsland, TX 78639 (US) (74) Representative: Price, Nigel John King  J A Kemp 14 South Square Gray's Inn London WC1R 5JJ London WC1R 5JJ (GB)