Patents
Patents for E03F 1 - Methods, systems, or installations for draining-off sewage or storm water (3,565)
05/2001
05/01/2001US6223357 Vacuum toilet
05/01/2001CA2192428C Storm water dispersing system having multiple arches
04/2001
04/26/2001WO2001029334A1 Modular drainage channels
04/26/2001WO2001029332A1 Water storing block and connecting member for water storing block and rain water storing/infiltrating structure
04/24/2001CA2219218C Sump-vented controller mechanism for vacuum sewerage transport system
04/17/2001US6217756 Drain grate responsive to high flow rates of water
04/17/2001US6216733 Apparatus for the distribution of water or other liquids
04/17/2001US6216285 Waste transport arrangement
04/12/2001WO2001025632A2 Low-pressure drainage system
04/11/2001EP1091053A1 Control device for vacuum actuated stop valve and method of control of the valve
04/11/2001CN1064429C A cacuum unit and a vacuum toilet system comprising such a unit
04/10/2001US6214216 Drain filter support
04/05/2001WO2001023681A1 Sewage filter
03/2001
03/29/2001WO2001021901A1 A vacuum assisted water toilet
03/28/2001CN1288990A Ventilation device for rise straight-tube of vacuum water drainage system
03/27/2001US6206647 Waste water disposal system
03/22/2001DE10018711A1 Supply and waste disposal unit for camping sites, has column shaped body with supply unit for power and fresh water, together with disposal unit for contaminated water
03/21/2001EP1085134A2 Aeration apparatus for a vertical riser in a vacuum drainage system
03/20/2001US6202358 Rain chute
03/14/2001CN1287204A Assembly type vacuum drainage system
03/13/2001US6200484 Apparatus utilizing sump tank insert sized to fit existing catch basin, wherein run-off flowing into system goes through three filters: grate overlying inlet to catch basin, screen trapping solids that flow past grate, filter media
03/08/2001DE10033076A1 Water storage container for rainwater
03/07/2001EP1081298A2 Modular vacuum drainage system
03/07/2001EP1080273A1 Water flow control system
03/07/2001EP1079682A1 Water flow control system
03/01/2001WO2000070156A9 A vacuum unit and a vacuum toilet system comprising such a unit
02/2001
02/28/2001CA2316481A1 Modular vacuum drainage system
02/22/2001WO2000050142A3 Sub-soil drainage cell
02/20/2001CA2024024C Pipe connection structure and vacuum-type sewage collecting apparatus incorporating the pipe connection structure
02/07/2001EP1073610A1 Curb-inlet storm drain systems for filtering trash and hydrocarbons
02/03/2001CA2300290A1 Manhole with extension wings
01/2001
01/31/2001EP1071855A1 Toilet apparatus
01/30/2001US6178565 Trash collector for exfiltration drain system
01/30/2001CA2035753C Storm water infiltration
01/24/2001EP0966571A4 Subsurface fluid drainage and storage systems
01/23/2001US6176065 Stacked structure
01/23/2001CA2108257C Discharge system for the waste from a waste-producing unit
01/17/2001EP1068153A1 System for collecting, transporting and recycling domestic sewage, biowastes, black waters and other biodegradable substances
01/10/2001EP1067247A2 Automatic vacuum isolation valve network for a vacuum collection system
01/04/2001DE19928894A1 Toilettensystem, insbesondere für Verkehrsmittel Toilet system, particularly for transport
01/02/2001US6167914 Orifice protector
12/2000
12/28/2000DE10004944A1 Water system, for receiving and intermediate storage of rainwater, also reduction and extended time throttled delivery of water, includes at least one drainage pipe
12/27/2000EP1063167A2 Toilet system, particularly for vehicles
12/06/2000EP1057943A2 System and method for a reduced water consumption vacuum toilet
12/06/2000EP0840828B1 Waste water disposal process
11/2000
11/30/2000WO2000061504A3 System for collecting, transporting and recycling domestic sewage, biowastes, black waters and other biodegradable substances
11/28/2000US6152650 Wastewater and effluent distribution system
11/28/2000US6152160 Modular vacuum drainage system
11/23/2000WO2000070156A1 A vacuum unit and a vacuum toilet system comprising such a unit
11/21/2000US6149803 Storm sewer catch basin filter
11/21/2000US6148860 Low volume vacuum toilet assembly
11/21/2000CA2158418C Leaching chamber with perforated web sidewall
11/14/2000US6146051 Paving system for spillage and flood management
10/2000
10/24/2000US6135140 Storm drain diverter
10/21/2000CA2305897A1 Buffer box for use in a vacuum drainage system
10/21/2000CA2305895A1 Vacuum waste tank
10/19/2000WO2000061504A2 System for collecting, transporting and recycling domestic sewage, biowastes, black waters and other biodegradable substances
10/18/2000CN1270117A Vacuum toilet system
10/17/2000US6132136 Drainage water pumping station and method for operating the same
10/17/2000US6131596 Automatic vacuum isolation valve network for a vacuum collection system
10/10/2000US6128789 Method and device for operating the water flushing and the discharge valve in a toilet or the like connected to a vacuum sewer
09/2000
09/28/2000WO2000024977A9 Water purification arrangement for drain water catch basins
09/21/2000WO2000055098A1 Method and apparatus for treating leach fields
09/19/2000US6120210 Use of porous medium in an integrated hydrologic circuit for water storage and transport in land reclamation, agriculture, and urban consumptions
09/19/2000US6120209 Method of installing drainfield pipe
09/19/2000US6119283 Method and apparatus for evacuation of liquids
09/13/2000EP1035261A2 Vacuum toilet system
09/10/2000CA2300269A1 Vacuum toilet system
09/05/2000US6112766 Low flow wastewater and effluent distribution system
08/2000
08/31/2000WO2000050142A2 Sub-soil drainage cell
08/22/2000US6106707 Curb-inlet storm drain systems for filtering trash and hydrocarbons
08/22/2000US6106706 Storm water filter arrangement
08/22/2000CA2037313C Laying structure for vacuum sewer pipe of vacuum sewage collecting system
08/22/2000CA2032882C Vacuum sewer arrangement
08/15/2000US6102618 Large-depth underground drainage facility and method of running same
08/10/2000WO2000046454A1 Air admittance valve for sanitary waste pipe system
08/09/2000EP1026329A1 Air admittance valve for sanitary waste pipe system
08/08/2000US6099723 Catchbasin systems for filtering hydrocarbon spills
08/01/2000US6095718 Subsurface fluid drainage and storage systems
07/2000
07/27/2000DE19901214A1 Waste disposal system for household effluent water, organic wastes and raw sewage overcomes problem of infrequent refuse collection
07/27/2000DE19857158A1 Airfield rainwater storage system has large-volume cisterns linked in parallel reducing demand for drinking water
07/26/2000EP1022399A1 Emptying device for vacuum sewer system
07/26/2000CN1261120A Device for emptying vacuum sewage system
07/25/2000US6092549 Device in a waste disposal system in a building
07/25/2000CA2125206C Vacuum valve control device and vacuum valve
07/19/2000CN1260429A Excrement and urine conveying apparatus
07/13/2000WO2000040811A1 Water conduit
07/13/2000DE10000025A1 Water system, especially for rain water for collection and intermediate storage, and for reducing and extended time-throttled delivery of water introduced in water system; has at least one drainage pipe
07/12/2000CN2387164Y Anti-insect precast ditch body structure
07/11/2000US6086758 Storm drain liner
07/11/2000US6086756 Gross pollution filter
07/05/2000EP1015706A1 Apparatus for the distribution of water or other liquids
07/04/2000US6083402 Separating sediment and liquid hydrocarbons
07/04/2000US6082979 Air pump for vacuum toilet systems
06/2000
06/28/2000EP1013838A1 Waste transport arrangement
06/27/2000US6080308 Water purification arrangement for drain water catch basins
06/27/2000US6080307 Storm drain systems for filtering trash and hydrocarbons
06/27/2000US6079903 Drain channel system
06/27/2000CA2024023C Vacuum-type sewage collecting apparatus
06/23/2000CA2291664A1 Waste transport arrangement
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