(19)
(11) EP 2 825 717 A1

(12)

(43) Date of publication:
21.01.2015 Bulletin 2015/04

(21) Application number: 12874657.5

(22) Date of filing: 16.04.2012
(51) International Patent Classification (IPC): 
E21B 19/16(2006.01)
E21B 17/042(2006.01)
(86) International application number:
PCT/CA2012/000368
(87) International publication number:
WO 2013/155588 (24.10.2013 Gazette 2013/43)
(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

(71) Applicant: McCoy Corporation
Edmonton, Alberta T6E 5Y4 (CA)

(72) Inventors:
  • GERWING, Murray C.
    Edmonton, Alberta T6E 5Y4 (CA)
  • STRICKLAND, Les
    Edmonton, Alberta T6E 5Y4 (CA)
  • HARGREAVES, Steven
    Edmonton, Alberta T6E 5Y4 (CA)
  • BANGERT, Dan
    Lafayette, Louisiana 70508 (US)

(74) Representative: Fox-Male, Nicholas Vincent Humbert 
Patent Outsourcing Limited 1 King Street
Bakewell Derbyshire DE45 1DZ
Bakewell Derbyshire DE45 1DZ (GB)

   


(54) SPIN WRENCH ASSEMBLY