EP 2286037 A1 20110223 - PIT AND RELATED COVERED FILTER TUBE
Title (en)
PIT AND RELATED COVERED FILTER TUBE
Title (de)
SCHACHT UND ZUGEHÖRIGER ABGEDECKTER FILTERSCHLAUCH
Title (fr)
PUITS ET TUBE FILTRANT COUVERT ASSOCIE
Publication
Application
Priority
- NL 2009050136 W 20090323
- NL 1035200 A 20080322
- NL 2002570 A 20090226
Abstract (en)
[origin: WO2009120070A1] This invention relates to a method to make a pit to withdraw or store or infiltrate water; a pit to withdraw or store or infiltrate water; a method to withdraw water from a water bearing package or to store or infiltrate water, particularly wherein use is made of a filter tube contrary to a drainage tube. The filter tube can be provided with a sheath/ jacket of filter sand of gravel.
IPC 8 full level
E03B 3/26 (2006.01); E21B 43/04 (2006.01); E21B 43/08 (2006.01)
CPC (source: EP US)
E03B 3/26 (2013.01 - EP US)
Citation (search report)
See references of WO 2009120070A1
Designated contracting state (EPC)
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 SE SI SK TR
Designated extension state (EPC)
AL BA RS
DOCDB simple family (publication)
WO 2009120070 A1 20091001; AU 2009229585 A1 20091001; EP 2286037 A1 20110223; NL 2002653 A1 20090924; NL 2002653 C2 20091030; NL 2003708 A1 20091124; NL 2003708 C2 20100602; US 2011017451 A1 20110127
DOCDB simple family (application)
NL 2009050136 W 20090323; AU 2009229585 A 20090323; EP 09724951 A 20090323; NL 2002653 A 20090323; NL 2003708 A 20091026; US 93315009 A 20090323