(19)

(11)

EP 3 142 536 A1

(12)

(43) Date of publication: 22.03.2017 Bulletin 2017/12 (21) Application number: 15729275.6 (22) Date of filing: 16.05.2015

(51) International Patent Classification (IPC):  A47L 5/36(2006.01) A47L 9/10(2006.01) A47L 11/30(2006.01) A47L 7/00(2006.01) A47L 11/20(2006.01) A47L 11/40(2006.01) (86) International application number: PCT/US2015/031264 (87) International publication number: WO 2015/176052 (19.11.2015 Gazette 2015/46)

(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 (30) Priority: 16.05.2014 US 201461994821 P 15.05.2015 US 201514714237 (71) Applicant: Kaivac, Inc. Hamilton, OH 45011 (US)	(72) Inventor: ROBINSON, Robert, S. Hamilton, OH 45011 (US) (74) Representative: Findlay, Alice Rosemary  Reddie & Grose LLP 16 Theobalds Road London WC1X 8PL London WC1X 8PL (GB)