(19)
(11) EP 1 597 142 A1

(12)

(43) Date of publication:
23.11.2005 Bulletin 2005/47

(21) Application number: 04711784.1

(22) Date of filing: 17.02.2004
(51) International Patent Classification (IPC)7B63B 35/44, E21B 19/00
(86) International application number:
PCT/NO2004/000047
(87) International publication number:
WO 2004/071862 (26.08.2004 Gazette 2004/35)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR
Designated Extension States:
AL LT LV MK

(30) Priority: 17.02.2003 NO 20030752

(71) Applicants:
  • Knutsen, Hans
    4270 Akrehamn (NO)
  • Andresen, Johan F.
    4009 Stanvanger (NO)

(72) Inventors:
  • Knutsen, Hans
    4270 Akrehamn (NO)
  • Andresen, Johan F.
    4009 Stanvanger (NO)

(74) Representative: Harman, Michael Godfrey 
Hillgate Patent Services, No. 6 Aztec Row, Berners Road
Islington,London N1 0PW
Islington,London N1 0PW (GB)

   


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