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EP 3 267 868 A1

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(43) Date of publication: 17.01.2018 Bulletin 2018/03 (21) Application number: 16745496.6 (22) Date of filing: 10.03.2016

(51) International Patent Classification (IPC):  A47L 5/22(2006.01) A47L 7/00(2006.01) A47L 5/36(2006.01) A47L 9/00(2006.01) (86) International application number: PCT/IB2016/000843 (87) International publication number: WO 2016/170431 (27.10.2016 Gazette 2016/43)

(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: 10.03.2015 US 201562130610 P (71) Applicants: Kaivac, Inc. Hamilton, OH 45011 (US) Robinson, Robert, S. Hamilton, OH 45011 (US) Robinson, Robert, G. Hamilton, OH 45011 (US)

(72) Inventors: ROBINSON, Robert, S. Hamilton, OH 45011 (US) ROBINSON, Robert, G. Hamilton, OH 45011 (US) (74) Representative: Findlay, Alice Rosemary  Reddie & Grose LLP The White Chapel Building 10 Whitechapel High Street London E1 8QS London E1 8QS (GB)