(19)
(11)
EP 1 608 816 A2
(12)
(88)
Date of publication A3:
03.03.2005
(43)
Date of publication:
28.12.2005
Bulletin 2005/52
(21)
Application number:
04749560.1
(22)
Date of filing:
31.03.2004
(51)
International Patent Classification (IPC)
7
:
E02B
15/06
(86)
International application number:
PCT/US2004/009837
(87)
International publication number:
WO 2004/090243
(
21.10.2004
Gazette 2004/43)
(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 PL PT RO SE SI SK TR
Designated Extension States:
AL LT LV MK
(30)
Priority:
01.04.2003
US 459824 P
(71)
Applicant:
Gunderboom, Inc.
Anchorage,Alaska 99515 (US)
(72)
Inventor:
DREYER, Harold, B.
Anchorage, AK 99515 (US)
(74)
Representative:
Wood, Graham
Bailey Walsh & Co L.L.P., 5 York Place
Leeds LS1 2SD
Leeds LS1 2SD (GB)
(54)
BOOM SYSTEM FOR WATER FILTRATION IN SHALLOW WATER