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)
12/2005
12/29/2005US20050286974 Fluid dispersion system
12/29/2005CA2610848A1 Infiltration block
12/27/2005US6979148 Golf course green storm water filter
12/27/2005CA2200719C Paving system for spillage and flood management
12/22/2005WO2005026053A3 Smart system stormwater management and reuse technology system and method
12/22/2005US20050281617 Mitred grate and drain cover
12/22/2005US20050279709 a treatment system placed in a drainage space through which storm water is designed to flow; for removing heavy metals, hydrocarbons and other volatile organic compounds
12/22/2005DE102005013319A1 Flood water regulating system for mountain region, has retaining cistern with opening that is covered with protective crests, which include fingers that rotate around their longitudinal axis to open and close openings
12/21/2005EP1607535A1 Infiltration block
12/21/2005EP1607534A1 Infiltration block
12/20/2005US6977005 Waterless vacuum toilet system for aircraft
12/20/2005US6976808 Catch basin filtration system will disposable silt/contaminant collector
12/15/2005US20050274071 Root nutrient delivery system
12/13/2005US6974540 Street curb drain filter
12/08/2005WO2005116135A1 Fluid permeable composite material and process for same
12/08/2005DE19604163B4 Schutzbehälter mit Hausanschluß-Absperrventil an einer Unterdruck-Abwasserleitung Protective container with household connection tap on a vacuum sewer line
12/08/2005CA2568535A1 Fluid permeable composite material and process for same
12/06/2005US6972088 Pivotal gate for a catch basin of a storm drain system
12/06/2005CA2236311C Storm water filter arrangement
12/01/2005WO2005113900A1 Method for installing water resource recycling system
12/01/2005WO2005113390A1 Water resource recycling system
11/2005
11/30/2005CN1229555C Garbage container and method for replacing toilet tank of garbage container
11/29/2005US6969464 Dewatering a leach field
11/17/2005US20050254899 Containment systems, methods, and devices
11/17/2005US20050252564 Sewage containment system
11/17/2005DE102004019920A1 Drainage channel for surface drainage and/or drainage of bulk materials has upper part with seat profiles connected via U-shaped central bar with wings connected to seats on lower part
11/10/2005US20050249555 Open or closed ended tire pipe apparatus and method
11/10/2005US20050247612 Silt and debris filtering system for storm drains
11/10/2005DE202005012192U1 Arc module used in making Sicker tunnels has stiffener ribs with crimping openings formed on surface of arc module, and supports whose edges are supported by stiffener fingers against arc-shaped wall
11/10/2005DE102004019395A1 Drainage system for incorporating into ground layers has a stack of corrugated plastic sheets with vertical stabilising rods to form a load supporting structure
11/08/2005US6962464 Method for constructing a water resource recycling system
10/2005
10/27/2005WO2005099860A1 Filtration and plug drain device for containing oil and chemical spills
10/27/2005US20050238434 Outwardly dished end plate for stormwater chamber
10/27/2005US20050238433 Horizontally draining artificial turf system
10/27/2005US20050238432 A method for constructing a water resource recycling system
10/20/2005US20050230317 Watershed runoff drainage device & method
10/20/2005US20050230302 Filtration and plug drain device for containing oil and chemical spills
10/12/2005CN2732868Y Negative-pressure toilet and its control device
09/2005
09/26/2005CA2462064A1 Holding tank cleaning device
09/22/2005WO2005012660A8 Liquid control structure
09/22/2005DE202005011947U1 Runoff channel for placing in a pavement comprises a metal sheet channel body, side walls and visible frames whose free ends from a right angled edge and each having a support profile
09/22/2005DE202005010918U1 Small building used as a sanitary installation comprises waste water lines connected to a collecting vessel arranged in the building above the building wall for suctioning the waste water
09/22/2005DE202005010090U1 Drainage element for percolating surface water comprises column elements spaced and arranged in rows
09/22/2005DE102004014152A1 Surface water removal device, e.g. for roads or squares, has thrust block attached or applied to channel body so off-center loading of cover with torque about longitudinal axis of device can be taken up by thrust block
09/22/2005DE102004001919A1 Setup device e.g. for infiltration of water within walls for preventing accidents by guiding water underground, has walls and base with lateral and or bottom infiltration openings and upper cover and laterally beside walls, etc
09/20/2005CA2190033C Treatment of phosphorus in water
09/15/2005US20050199268 Wash fluid containment system
09/13/2005US6942425 Mitred grate and drain cover
09/09/2005WO2005083190A1 Method of operating a sewage system and such a sewage system
09/09/2005CA2555194A1 Method of operating a sewage system and such a sewage system
09/08/2005DE202005010326U1 Gutter for carrying water has visible bar that is inclined relative to vertical axis of channel so that drop towards channel opening is formed
08/2005
08/31/2005CN1217072C Modular vacuum toilet and its maintenance method
08/25/2005US20050183997 Street curb filter basket system
08/25/2005DE202005008841U1 Drainage channel module e.g. for road surfaces has end faces with grooves to define tunnel-like hollow filled with pourable material for a watertight seal
08/18/2005US20050180819 Sewage effluent distribution means
08/10/2005CN2716368Y Vacuum generating station for negative pressure drainage system
08/10/2005CN2716367Y Transformer emergency oil pond
08/09/2005US6926464 utilized in permanent extended dry detention basins having an outlet control structure vertically mounted within a basin and a semi-round pipe (typically including gravel) attached to the forward edge
08/04/2005WO2005069895A2 Integrated tree root and storm water system
08/04/2005US20050169711 Fixed shape retainer for absorbent material for storm drains
08/04/2005DE202005007638U1 Underground buffer tank for storing rainwater or sewage, has outside rendered liquid=tight and is capable of supporting loads
08/04/2005DE102004002745A1 Discharge pit for collecting rain water, has collecting pipes arranged between drain pipe and pit, where hydraulics of pipes are arranged at hydraulics of outlet, and inlet and outlet volumes of water are matched to levels of canal side
08/04/2005CA2829599A1 Integrated tree root and storm water system
08/04/2005CA2552348A1 Integrated tree root and storm water system
08/03/2005EP1558897A1 Determining a flow in a wastewater system
08/03/2005CN2714660Y Self-dumping intermediate storage tank for negative pressure conveying system
08/02/2005US6922953 Diamond post stabilizer
07/2005
07/28/2005WO2005033425A3 Leaching chamber with inward flaring sidewall perforations
07/28/2005US20050163569 Root nutrient delivery system
07/21/2005US20050155285 Integrated tree root and storm water system
07/20/2005EP1179102B1 A vacuum unit and a vacuum toilet system comprising such a unit
07/07/2005US20050145079 Drain line re-perforator device
07/06/2005CN1635227A Integrated system for lakefront incipient rainwater collection, diffluence and ecological purification
06/2005
06/29/2005EP1548193A2 Device for preventing water entering a manhole shaft
06/29/2005EP1546474A1 Street inlet
06/29/2005CN1632249A Rainfall amount automatic supervising device for subway or tunnel
06/28/2005US6910231 Toilet system with a toilet pan
06/23/2005US20050135883 Sediment control
06/16/2005WO2005045146B1 Ecological road unit
06/14/2005US6905599 Prefilter for water treatment
06/14/2005US6905286 Porous pipe and apparatus and method of producing the same
06/09/2005US20050121078 Automatic dosing pressure chamber distribution of effluent
06/02/2005DE10351240A1 Rigole Drainage trench
05/2005
05/26/2005US20050111915 Latch for leaching chamber
05/25/2005EP1533428A2 Drainage element
05/25/2005DE202004016819U1 Drainage system for removing overflow from buried cistern has vertical shaft with flat floor sunk in ground, containing drainpipe with sieve under outlet opening, and submerged pump connected to fountain
05/25/2005DE10348280A1 Drainage-Tank mit Spülrohr Drainage tank flush pipe
05/25/2005DE10065985B4 Toilettenschüssel Toilet bowl
05/19/2005WO2005045146A1 Ecological road unit
05/19/2005US20050103694 Nestable catch basin assembly with removable debris trap
05/19/2005US20050103363 Assembly & system for isolation of waste water in outdoor, open-air wash station
05/19/2005DE10348520A1 Water filter, to clean rain water from roofs of metal ions before entering the drains, has openings in the filter chamber wall to give a horizontal flow through the filter substrate
05/19/2005DE10348024A1 Rigolenanordnung mit Rigole und Schacht Rigolenanordnung with French drain and manhole
05/12/2005US20050100410 Stormwater receiving device and assembly
05/12/2005US20050100401 Transport corridor drainage systems
05/11/2005CN1201057C Method and device for operating water flushing and discharging valve of toilet or like connected to a vacuum sewer
05/11/2005CN1200834C Vacuum toilet system
05/06/2005WO2005040501A1 Drainage tank with flushing pipe
05/04/2005EP1528168A2 Gutter for intermediate storage of fluid, in particular rain water
05/03/2005US6887383 Pressurization and depressurization of conduits to improve efficiency of pollution control apparatus, used in sewage treatment
1 ... 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 ... 36