Patents for E03F 1 - Methods, systems, or installations for draining-off sewage or storm water (3,565) |
---|
01/15/1998 | WO1998001065A2 Device for treatment of possibly contaminated sludge occurring in sanitary facilities |
01/14/1998 | EP0818589A2 Vacuum toilet |
01/14/1998 | EP0511363B1 Vacuum sewerage system with increased lift capabilities having electric air admission controllers |
01/13/1998 | US5707027 Apparatus for operating a vacuum plumbing system in an aircraft |
01/09/1998 | CA2209364A1 Vacuum toilet unit |
12/30/1997 | US5702595 Catch basin guard |
12/30/1997 | US5702593 Stormwater treatment system/apparatus |
12/30/1997 | US5701931 Water relief valve for a drainage system |
12/04/1997 | WO1997045600A1 Liquid drainage system for a hard-top surface |
12/04/1997 | CA2255729A1 Liquid drainage system for a hard-top surface |
12/02/1997 | US5692250 Vacuum toilet system with treated rinse liquid |
11/27/1997 | WO1997043895A1 Device to introduce fluids into soil, filter beds etc. or to remove them from same |
11/12/1997 | EP0806527A2 A forced discharge compressed-air operated device for sanitary fixtures |
10/28/1997 | US5681455 Flowing-down rainwater flow-separating pipe |
10/28/1997 | US5681148 Vacuum/holding tank |
10/28/1997 | US5680989 Adjustable weir for liquid distribution systems |
10/16/1997 | WO1997038177A1 Method and apparatus for reducing saline infiltration in coastal sewerage systems |
10/15/1997 | EP0800601A1 Waste tank for vacuum sewage system |
10/07/1997 | US5673723 Vacuum sewerage system |
10/02/1997 | DE19642972A1 Separator for soak-away drainage system |
09/30/1997 | US5672506 Concrete tank including member composed of glass long fiber reinforced foamed plastic composite material as inside wall and formwork |
09/30/1997 | US5672028 Flood control system |
09/25/1997 | DE19610686A1 Arrangement for treating water for re-use by filtration |
09/23/1997 | US5669982 Method for collecting wash water or other fluids applied to articles |
09/23/1997 | US5669733 Angled adapter for a leaching chamber system |
09/18/1997 | DE19609063A1 Removal and use of rain-water |
09/18/1997 | DE19608143A1 Concrete element for seepage subsoil from storm sewage |
09/16/1997 | CA2007415C Pivotal trap apparatus for drainage pipes |
09/11/1997 | DE19608201A1 Drainage system for removing surface water |
09/11/1997 | DE19607496A1 Rainwater collector, e.g. for water garden or flushing toilet |
08/28/1997 | WO1997031162A1 Stormwater sediment and litter trap |
08/28/1997 | CA2247035A1 Stormwater sediment and litter trap |
08/19/1997 | US5658092 Adjustable downspout extension assembly |
08/19/1997 | US5657784 Control arrangement for actuating a shut-off valve and method of operation |
08/12/1997 | CA2073678C Vacuum sewerage system with increased lift capabilities having electric air admission controllers |
08/07/1997 | DE19604163A1 Sealing valve for vacuum waste connection |
07/30/1997 | EP0786034A1 Paving system for spillage and flood management |
07/22/1997 | US5650065 Skimmer cover for dry well in a catch basin |
07/08/1997 | US5644802 Vacuum sewer arrangement |
07/08/1997 | CA2030869C Vacuum pump control apparatus for an evacuating type waste water collecting system |
07/03/1997 | DE19547379A1 Storage tank for rain water |
06/25/1997 | EP0780524A1 Storm water dispersing system having multiple arches |
06/19/1997 | DE19546650A1 Vacuum operated pneumatic valve timed controller, especially for waste water system |
06/19/1997 | DE19546649A1 Sanitary system with liquid flushing |
06/11/1997 | EP0778432A1 Valve, particularly for vacuum drainage systems |
06/11/1997 | CN1151775A A vacuum unit and a vacuum toilet system comprising such a unit |
06/03/1997 | US5634740 Large-depth underground drainage facility and method of running same |
06/03/1997 | US5634494 Control arrangement for a shutoff valve actuatable by negative pressure |
05/28/1997 | EP0579815B1 Package system for the collection and transport of liquid waste |
05/27/1997 | US5632888 Environmental filter |
05/27/1997 | CA2106678C Package system for collection-transport of waste liquids |
05/15/1997 | WO1997017502A1 Waste tank for vacuum sewage system |
05/09/1997 | WO1997016609A1 Storm water filter arrangement |
05/09/1997 | WO1997016608A1 A device in a waste disposal system in a building |
05/09/1997 | CA2236038A1 A device in a waste disposal system in a building |
05/07/1997 | DE19614610A1 Vacuum drainage system for toilet |
05/02/1997 | EP0770735A1 Underground buffer tank for storing and treating rain water |
04/29/1997 | US5624226 Underground drainage facility, vertical-shaft multi-stage adjustable vane pump, and method of running drainage pump |
04/22/1997 | US5621924 Vacuum tank construction for a vacuum toilet assembly |
04/09/1997 | EP0767278A1 Drip gutter system |
04/02/1997 | EP0765976A2 Duckbill valve |
04/01/1997 | US5615978 Management system for water-barrier sheet |
04/01/1997 | US5615701 Vacuum valve control device and vacuum valve |
03/19/1997 | EP0763633A1 Membrane controlled vacuum sewer system |
03/12/1997 | EP0666946B1 Waste tank for vacuum sewage system |
03/06/1997 | DE19509467A1 Waste water processing plant |
03/05/1997 | EP0760039A1 A vacuum unit and a vacuum toilet system comprising such a unit |
02/26/1997 | EP0674736B1 Sewage system |
02/25/1997 | US5604938 Vacuum flush waste disposal system for railcars |
02/18/1997 | US5603587 Drainage water pumping station and method for operating the same |
01/29/1997 | EP0667928A4 Vacuum toilet system and discharge valve thereof. |
01/29/1997 | EP0637354A4 Portable vacuum toilet system. |
01/28/1997 | US5597477 Sewage effluent disposal system having sparger in holding tank |
01/28/1997 | US5597264 Leaching field and method of making |
01/15/1997 | EP0646204A4 Drywell cover and drywell. |
12/31/1996 | US5588778 Leaching chamber with angled end |
12/31/1996 | US5588777 Wastewater treatment system |
12/31/1996 | US5588458 Vacuum valve controller for vacuum sewer system |
12/19/1996 | WO1996041059A1 Vacuum tank construction for a vacuum toilet assembly |
12/19/1996 | DE19509466A1 Liq. storage tank with closable inlet and outlet |
12/04/1996 | EP0745060A1 Stormwater treatment system/apparatus |
11/19/1996 | US5575454 Vacuum valve |
11/19/1996 | US5575304 Vacuum sewer system |
11/14/1996 | WO1996035843A1 Environmental filter |
11/07/1996 | WO1996034830A1 Wastewater treatment |
11/07/1996 | DE19516740A1 Underpressure generator for vacuum toilet systems |
11/07/1996 | CA2219901A1 Wastewater treatment |
11/05/1996 | US5570715 Sump-vented controller mechanism for vacuum sewerage transport system |
10/31/1996 | WO1996034156A1 Sump-vented controller mechanism for vacuum sewerage transport system |
10/29/1996 | US5569372 Catch basin structure for interception of contaminants having detachable parts |
10/24/1996 | WO1996033319A1 Waste water disposal process |
10/24/1996 | DE19514359A1 Verfahren zur Ableitung von Abwässern A process for the disposal of waste water |
10/22/1996 | US5567259 Methods of making a portable liquid containment |
10/17/1996 | WO1996032548A1 Vacuum sewer system |
10/02/1996 | EP0734604A1 Cable duct element |
10/02/1996 | EP0734478A1 Underground drainage system |
10/01/1996 | US5560782 Accumulating used wash water for recycling or environmentally safe disposal |
09/18/1996 | EP0732308A1 Sludge treatment tank and construction method thereof |
09/17/1996 | US5556231 Severable leaching chamber with end cap |
09/11/1996 | CA2144361A1 Storm water drainage system |