| Patents for E03F 1 - Methods, systems, or installations for draining-off sewage or storm water (3,565) |
|---|
| 03/17/1999 | EP0901542A1 Liquid drainage system for a hard-top surface |
| 03/16/1999 | US5882508 Easy clean system for a gutter |
| 03/02/1999 | US5876606 Treatment of contaminated water |
| 03/02/1999 | CA2084700C Method for washing an article and collecting the used wash water, and wash pad and mobile apparatus useful therewith |
| 02/23/1999 | US5873135 Air pressure driven vacuum sewer system |
| 02/16/1999 | US5871027 Vacuum valve controller |
| 01/26/1999 | US5862632 For distributing discharge rain water from a building |
| 01/20/1999 | EP0891457A1 Method and apparatus for reducing saline infiltration in coastal sewerage systems |
| 12/30/1998 | EP0887552A2 Air pump |
| 12/30/1998 | EP0887478A2 Vacuum toilet system |
| 12/30/1998 | EP0745060A4 Stormwater treatment system/apparatus |
| 12/24/1998 | DE19823490A1 Waste water collection and disposal system for use in light-density especially rural settlement |
| 12/17/1998 | WO1998056997A1 Method and device for operating the water flushing and the discharge valve in a toilet or the like connected to a vacuum sewer |
| 12/17/1998 | WO1998056996A1 Evacuation system provided with a shut-off valve, and process for maintaining in operating conditions a shut-off valve in a vaccum evacuation system |
| 12/17/1998 | DE19715619C1 Water treatment assembly removes oil and sedimentary impurities from street |
| 12/17/1998 | CA2262628A1 Method and device for operating the water flushing and the discharge valve in a toilet or the like connected to a vacuum sewer |
| 12/16/1998 | EP0821753A4 Sump-vented controller mechanism for vacuum sewerage transport system |
| 12/15/1998 | US5848856 Subsurface fluid drainage and storage systems |
| 12/10/1998 | WO1998055706A1 Toilet system with vacuum suction |
| 12/10/1998 | CA2290997A1 Toilet system with vacuum extraction |
| 12/09/1998 | EP0882161A1 Stormwater sediment and litter trap |
| 11/26/1998 | WO1998053147A1 Leaching field construction |
| 11/26/1998 | DE19721022A1 Satellite town for European country and holiday centre |
| 11/25/1998 | EP0879922A2 Stacked structure |
| 11/24/1998 | US5839844 For disposing liquids in soil |
| 11/18/1998 | EP0878587A1 Vacuum sewage removal installation |
| 11/11/1998 | EP0877126A2 Infiltration device |
| 11/03/1998 | US5829916 Drainfield pipe |
| 11/03/1998 | US5829471 Valve, particularly for vacuum drainage systems |
| 10/27/1998 | US5827010 On-site sewage treatment and disposal system |
| 10/21/1998 | EP0872603A2 Vacuum toilet system and connection device |
| 10/08/1998 | WO1998044210A1 Auxiliary devices for the improvement of the drainage by integrating the system of separation of rainfall waters from sewage waters |
| 09/29/1998 | US5813061 Air pressure driven vacuum sewer system |
| 09/24/1998 | WO1998041694A1 On-site sewage treatment and disposal system |
| 09/22/1998 | US5810510 Underground drainage system |
| 09/17/1998 | WO1998040571A1 Shaft cover |
| 09/17/1998 | CA2283796A1 Shaft cover |
| 09/16/1998 | EP0786034B1 Paving system for spillage and flood management |
| 09/08/1998 | US5804081 Wastewater treatment |
| 09/02/1998 | EP0861947A1 Plastic combined vacuum and holding tank |
| 09/02/1998 | EP0861357A1 A device in a waste disposal system in a building |
| 08/21/1998 | CA2198178A1 Plastic combined vacuum and holding tank |
| 08/20/1998 | DE19705824A1 Ground water seepage system |
| 08/19/1998 | EP0858538A1 Storm water filter arrangement |
| 08/13/1998 | WO1998035106A1 Subsurface fluid drainage and storage systems |
| 08/06/1998 | DE19704165A1 Surface for roads, paths, industrial and commercial areas, etc. |
| 08/04/1998 | US5788409 Drain field container system |
| 07/30/1998 | WO1998032929A1 Vacuum toilet |
| 07/15/1998 | EP0853163A2 Infiltration device |
| 07/08/1998 | EP0734478A4 Underground drainage system |
| 07/02/1998 | WO1998028497A1 A device in a waste water system and a method for transporting waste water |
| 07/02/1998 | CA2275597A1 A device in a waste water system and a method for transporting waste water |
| 07/01/1998 | CN2285329Y Detection controller for water pump |
| 07/01/1998 | CN1186191A 真空阀控制器 A vacuum valve controller |
| 06/30/1998 | US5773756 Lightweight and durable utility pull box for protecting splices and junctions of underground coaxial cables, electrical wires and optical fibers |
| 06/25/1998 | DE19756811A1 Rainwater buffer storage tank buried in ground |
| 06/17/1998 | EP0734604B1 Cable duct element |
| 06/10/1998 | DE19650489A1 Rotatable wooden house or building with bidirectional 360 deg rotation |
| 06/02/1998 | US5759849 Sludge treatment tank thereof construction method thereof |
| 05/28/1998 | WO1998022669A1 Ground surface integrated water storage, water conducting and water treatment system with integrateable ground and water protection |
| 05/28/1998 | DE19647361A1 Laminated floor surface for roads, etc. |
| 05/26/1998 | US5754987 Vacuum unit and a vacuum toilet system comprising such a unit |
| 05/22/1998 | WO1998021420A1 Apparatus for the distribution of water or other liquids |
| 05/22/1998 | CA2271803A1 Apparatus for the distribution of water or other liquids |
| 05/19/1998 | US5752785 Drainage pump station and drainage operation method for drainage pump station |
| 05/14/1998 | WO1998020209A1 Device for collecting, temporarily storing and draining off rainwater |
| 05/13/1998 | EP0840828A1 Waste water disposal process |
| 05/13/1998 | EP0840546A1 Device to introduce fluids into soil, filter beds etc. or to remove them from same |
| 05/07/1998 | DE19701522C1 Water drainage system with filters which discharges to soil soak-away or cistern |
| 05/06/1998 | EP0839119A1 Wastewater treatment |
| 04/30/1998 | WO1998017875A1 Gross pollution filter |
| 04/28/1998 | US5743984 Methods of constructing a portable liquid containment |
| 04/16/1998 | WO1998015694A1 Waste water disposal system |
| 04/14/1998 | US5738139 Waste water recovery system |
| 04/09/1998 | DE19740407A1 Waste water tank discharges through intermediate tank |
| 04/07/1998 | US5735304 Rainwater collection and distribution apparatus and method |
| 04/02/1998 | DE19707916A1 Toilet with suction device |
| 04/02/1998 | DE19638246A1 Device for storage and seepage of rainwater for irrigation |
| 03/31/1998 | US5733445 Storm sewer catch basin filter |
| 03/31/1998 | US5733065 Underground drainage facility, vertical-shaft multi-stage adjustable vane pump, and method of running drainage pump |
| 03/31/1998 | US5733064 Drainage water pumping station and method for operating the same |
| 03/31/1998 | US5732417 Vaccum toilet system |
| 03/26/1998 | DE19639231A1 Water-shaft |
| 03/25/1998 | EP0831182A2 Holding tank vacuum relief |
| 03/25/1998 | EP0830483A1 Vacuum tank construction for a vacuum toilet assembly |
| 03/18/1998 | EP0829584A2 Arrangement for pumping liquids |
| 03/12/1998 | WO1998010143A1 Filter element |
| 03/12/1998 | CA2264661A1 Filter element |
| 03/10/1998 | US5725782 Water filters with reservoirs |
| 03/05/1998 | DE19634869A1 Drainage system for disposal of sewage water |
| 03/04/1998 | EP0826838A2 Vacuum valve controller |
| 02/25/1998 | EP0825303A1 Operating means for a discharge- and/or flushing valve actuated by vacuum |
| 02/25/1998 | EP0824621A1 Vacuum sewer system |
| 02/24/1998 | US5720574 Contaminant absorbing drainage trough apparatus |
| 02/19/1998 | WO1998001065A3 Device for treatment of possibly contaminated sludge occurring in sanitary facilities |
| 02/11/1998 | EP0823513A2 Device for the removal of fluids and solids from the funnel shaped bowl of a vacuum toilet |
| 02/10/1998 | US5716163 Corrugated leaching chamber with hollow ribbing |
| 02/04/1998 | EP0821753A1 Sump-vented controller mechanism for vacuum sewerage transport system |
| 01/22/1998 | DE19647263A1 Method for the removal of faeces from vacuum toilets |
| 01/21/1998 | CN1171141A Water flushing closet |