(19)
(11) EP 1 552 153 A1

(12)

(43) Date of publication:
13.07.2005 Bulletin 2005/28

(21) Application number: 03753778.4

(22) Date of filing: 10.10.2003
(51) International Patent Classification (IPC)7F04C 29/04, F04C 18/16, F04C 18/12, F04C 29/10
(86) International application number:
PCT/GB2003/004415
(87) International publication number:
WO 2004/036049 (29.04.2004 Gazette 2004/18)
(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: 14.10.2002 GB 0223769

(71) Applicant: The BOC Group plc
WindleshamSurrey GU20 6HJ (GB)

(72) Inventors:
  • RANSOM, Kevin, Michael
    Worthing,West Sussex BN14 9NR (GB)
  • TUNNA, Clive, Marcus, Lloyd
    Bolney,West Sussex RH17 5QW (GB)
  • SKEATES, John, William
    London SW15 3SX (GB)
  • PALMER, Cliff, Charles
    West Sussex RH12 4LJ (GB)
  • NORTH, Michael, Henry
    Surrey RH2 7DA (GB)

(74) Representative: Booth, Andrew Steven et al
The BOC Group plc,Chertsey Road
Windlesham, Surrey GU20 6HJ
Windlesham, Surrey GU20 6HJ (GB)

   


(54) SCREW PUMP