(19)
(11) EP 2 069 591 A2

(12)

(88) Date of publication A3:
20.11.2008

(43) Date of publication:
17.06.2009 Bulletin 2009/25

(21) Application number: 07872185.9

(22) Date of filing: 02.10.2007
(51) International Patent Classification (IPC): 
E04H 12/00(2006.01)
(86) International application number:
PCT/US2007/021250
(87) International publication number:
WO 2008/088408 (24.07.2008 Gazette 2008/30)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR
Designated Extension States:
AL BA HR MK RS

(30) Priority: 02.10.2006 US 848725 P
02.10.2006 US 848726 P
03.01.2007 US 649033
01.06.2007 US 932731 P

(71) Applicant: Wind Tower Systems, LLC
Heber City, UT 84032 (US)

(72) Inventors:
  • LIVINGSTON, Tracy
    Heber City, UT 84032 (US)
  • GOLDHARDT, James
    Salt Lake City, UT 84115 (US)
  • SCHRADER, Terry
    Southlake, TX 76092 (US)
  • LOTT, James
    Newburgh, IN 47630 (US)
  • OLIPHANT, David
    West Jordan, UT 84084 (US)
  • DAUGHERTY, Harry
    Whitehouse, OH 43571 (US)

(74) Representative: Wombwell, Francis et al
Potts, Kerr & Co. 15, Hamilton Square
Birkenhead Merseyside CH41 6BR
Birkenhead Merseyside CH41 6BR (GB)

   


(54) LIFTING SYSTEM AND APPARTUS FOR CONSTRUCTING AND ENCLOSING WIND TURBINE TOWERS