Patents
Sitemap › E03 - Water supply; Sewerage › E03F - Sewers; Cesspools › E03F 1 - Methods, systems, or installations for draining-off sewage or storm water
Patents for E03F 1 - Methods, systems, or installations for draining-off sewage or storm water (3,565)
07/2003
07/17/2003US20030132150 Catch basin filter for stormwater runoff
07/17/2003US20030131887 Method for discharging sanitary and waste water into separate systems
07/16/2003EP0931200B1 Waste water disposal system
07/15/2003US6592293 Adjustable angle coupler for leaching chamber systems
07/10/2003US20030127380 Suspended runoff water filter
07/10/2003US20030127379 Surface water purifying catch basin
06/2003
06/26/2003WO2003051775A1 Aquitransistors for integrated hydrologic circuit
06/26/2003WO2003051481A2 High capacity catch basin filtration system with adjustable deflector ring
06/26/2003US20030118405 Method of construction for draining the ground and the like
06/26/2003US20030118402 Corrugated plate of plastics used for method of construction for draining the ground and the like
06/12/2003DE10152445C1 Purge valve for cesspit or rainwater reservoir, has guide tube which pivots to let water out when at high level
06/05/2003WO2003046295A2 Expandable leaching field system
05/2003
05/29/2003US20030098267 Subgrate drain basin filter
05/28/2003EP1314827A1 Separating gully
05/27/2003US6569321 Method and apparatus for treating stormwater runoff
05/22/2003US20030095838 Stormwater receiving assembly
05/21/2003EP1311727A1 A structural module
05/15/2003WO2003040483A1 Pollutant containment system
05/15/2003CA2466265A1 Pollutant containment system
05/14/2003EP1309483A1 Vacuum galley waste disposal system
05/14/2003CN2550434Y Anti-theft drain pipe
05/13/2003US6562236 Sewage treatment system
05/13/2003US6562233 Storm drain line with riser 2
05/07/2003EP1307620A1 Liquid reservoir, pumping device for it, and method of emptying the liquid reservoir
05/07/2003EP1015706B1 Apparatus for the distribution of water or other liquids
05/06/2003US6558077 Selective suspension drain closure apparatus
05/02/2003EP1306494A2 Valve, in particular flush valve
05/02/2003EP0954649B1 Vacuum toilet
05/01/2003WO2003035990A1 Filter
04/2003
04/29/2003US6554997 Storm drain liner
04/24/2003US20030074728 Toilet with a modular vacuum flush system
04/22/2003US6551505 Environmental filter
04/22/2003US6551023 Apparatus for filtering storm water run-off; filter body and support for drain inlet to inhibit the flow of pollutants, debris and other contaminants into drainage systems
04/17/2003US20030070971 Capillary permeation driven pottery pipe trench waste water treatment system
04/09/2003EP0917606B1 Device for controlling the discharge valve and flushing of a toilet in a vacuum sewer system
04/08/2003US6543968 Submersible canal bypass
04/02/2003CN1408041A Low-pressure drainage system
04/01/2003US6539962 Holding tank cleaning device
03/2003
03/27/2003WO2003025346A2 Drain sealing device
03/25/2003US6537447 Sewer basket and its support
03/25/2003US6537446 Drainage filter system for debris and contaminant removal
03/25/2003US6536055 Modular vacuum toilet with line replaceable units
03/25/2003US6536054 Vacuum toilet bowl assembly having removable bowl
03/20/2003WO2003023156A1 Dual-action decontamination system
03/20/2003US20030053862 Drain sealing device
03/19/2003EP1293614A2 Toilet with a modular vacuum flush system
03/18/2003US6532988 Air admittance valve for sanitary waste pipe system
03/13/2003US20030047514 Dual-action decontamination system
03/13/2003US20030047497 Curb inlet catch basin filter
03/12/2003EP1291325A2 Drainage body segment for making a drain for collecting surface water
03/11/2003US6531059 Suspended runoff water filter
03/11/2003US6530722 Drain sealing device
03/05/2003CN2538874Y Rain return-seepage device for water collecting access way
02/2003
02/26/2003EP1285140A1 Stormwater management system
02/26/2003CN1399045A River purifying system and river waterworks
02/20/2003WO2003014484A1 Pipe assembly for collecting surface water runoff and associated methods
02/18/2003US6522972 Method for determining an instantaneous unit hydrograph
02/18/2003US6521122 Drainage basin filter
02/13/2003US20030031512 Pipe assembly for collecting surface water runoff and associated methods
02/11/2003US6517709 Catch basin erosion containment filter assembly
02/10/2003CA2367233A1 Pipe assembly for collecting surface water runoff and associated methods
02/05/2003EP0986679B1 Toilet system with vacuum suction
02/04/2003US6513174 Vacuum unit and a vacuum toilet system comprising such a unit
01/2003
01/30/2003WO2003008720A1 Sewage inflow amount predicting device and method, and server device
01/30/2003US20030021630 Underground water retention apparatus
01/30/2003DE10143985C1 Trough section for treating surface water in root space of plants or with microorganisms has transverse partitions and drain holes in its base, retaining walls at ends rising to height of drain hole lips
01/23/2003WO2003006892A1 Vacuum collection system
01/23/2003US20030018432 Method for determining an instantaneous unit hydrograph
01/22/2003CN1392313A Vacuum sewage discharging system
01/16/2003WO2003004785A1 Vacuum sewer system
01/16/2003WO2003003894A1 Automatically operable lid for a vacuum waste receptacle
01/15/2003CN1098955C 下水道系统 Sewer system
01/03/2003WO2003000999A1 Vacuum sewer system
01/02/2003EP1270832A1 Vacuum sewer system
12/2002
12/19/2002WO2002100549A1 Pressure differential material transport and disposal system
12/19/2002US20020189673 Sewage system for vehicles
12/19/2002US20020189669 Vacuum sewer system
12/19/2002CA2488869A1 Pressure differential material transport and disposal system
12/18/2002EP1267006A2 Vacuum sewer system
12/14/2002CA2381002A1 Vacuum sewer system
12/12/2002US20020185559 Pressure differential material transport and disposal system
12/10/2002US6491060 Controlled sewage sump network system
12/05/2002DE10123754A1 Rigolenanordnung sowie Rigolenbauteil zu dessen Aufbau Rigolenanordnung and Rigolenbauteil to the structure
12/04/2002CN1383411A Toilet with module vacuum flush system
11/2002
11/28/2002WO2002095151A1 Toilet system
11/28/2002WO2002095149A2 Method and system for analyzing the effect of inflow and infiltration on a sewer system
11/28/2002US20020174886 Holding tank cleaning device
11/28/2002CA2447804A1 Toilet system
11/27/2002EP1260640A1 Leaching unit
11/26/2002US6485647 Method and apparatus for treating leach fields
11/21/2002US20020172558 Submersible canal bypass
11/21/2002US20020170350 Method and system for analyzing the effect of inflow and infiltration on a sewer system
11/21/2002DE10127553A1 Filter insert for road drains with gully shaft consists of cartridge with mineral and chemical additive content, fitted into shaft
11/19/2002US6482319 In-line filtration system for treatment of septic tank effluent
11/14/2002US20020166812 Sewage treatment system
11/07/2002WO2001088288A9 Stormwater management system
11/07/2002US20020164209 High capacity catch basin filtration system with adjustable deflector ring
11/06/2002EP1098813B1 Vacuum toilet system for a vehicle
11/05/2002US6474357 Vacuum sewer system
11/05/2002US6474153 Predicting system and predicting method configured to predict inflow volume of rainwater
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