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EP 3 278 052 A1

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(43) Date of publication: 07.02.2018 Bulletin 2018/06 (21) Application number: 16774375.6 (22) Date of filing: 01.04.2016

(51) International Patent Classification (IPC):  F42B 1/028(2006.01) E21B 29/02(2006.01) F42B 1/02(2006.01) F42B 3/08(2006.01) E21B 7/00(2006.01) E21B 43/117(2006.01) F42B 1/036(2006.01) (86) International application number: PCT/US2016/025725 (87) International publication number: WO 2016/161376 (06.10.2016 Gazette 2016/40)

(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 Designated Validation States: MA MD (30) Priority: 02.04.2015 US 201562142099 P (71) Applicant: Hunting Titan, Inc. Pampa, TX 79065 (US)

(72) Inventors: MONTOYA ASHTON, Laura Waxahachie, TX 75165 (US) COLLINS, William R. Burleson, TX 76028 (US) LEVINE, Charles Waxahachie, TX 75165 (US) McDONALD, Debra Christine Whitney, TX 76692 (US) McGREGOR, Aaron L. Hillsboro, TX 76645 (US) SCHULTE, Bradley D. Cleburne, TX 76033 (US) WILSON, Shane M. Waxahachie, TX 75165 (US) (74) Representative: Viering, Jentschura & Partner mbB Patent- und Rechtsanwälte  Am Brauhaus 8 01099 Dresden 01099 Dresden (DE)