| Patents for E03F 1 - Methods, systems, or installations for draining-off sewage or storm water (3,565) |
|---|
| 02/07/2002 | CA2352596A1 Vacuum sewer system |
| 02/06/2002 | CN1334385A Vacuum system |
| 01/24/2002 | WO2001038650A3 Reservoirs |
| 01/24/2002 | DE10055327C1 Grid plate for construction of 3-dimensional structure has struts within peripheral frame provided within variable spacing or cross-sectional geometry for increasing loading capacity at center of grid plate |
| 01/23/2002 | EP1127199A4 Water purification arrangement for drain water catch basins |
| 01/23/2002 | EP0891457B1 Method and apparatus for reducing saline infiltration in coastal sewerage systems |
| 01/17/2002 | US20020005220 Controlled sewage sump network system |
| 01/16/2002 | EP1172492A2 Vacuum system |
| 01/16/2002 | EP1172491A2 Apparatus for dissipating foam in a vacuum collection tank |
| 01/10/2002 | CA2350421A1 Vacuum system |
| 01/09/2002 | EP1169270A1 Method and apparatus for treating leach fields |
| 01/08/2002 | US6336770 Drainfield pipe installation device |
| 01/02/2002 | EP0983403A4 On-site sewage treatment and disposal system |
| 12/20/2001 | WO2001096677A2 Toilet with a modular vacuum flush system |
| 12/20/2001 | CA2381702A1 Toilet with a modular vacuum flush system |
| 12/19/2001 | CN1327499A Water storage block and connecting member for storing block and rain water storing/infiltration structure |
| 12/18/2001 | US6330725 Vacuum toilet system for a vehicle |
| 12/13/2001 | US20010050257 In-line filtration system for treatment of septic tank effluent |
| 12/06/2001 | US20010047955 Environmental filter |
| 12/05/2001 | EP0935699A4 Gross pollution filter |
| 11/29/2001 | WO2001090495A1 Arrangement related to vacuum sewage system |
| 11/29/2001 | US20010045383 Method and apparatus for treating stormwater runoff |
| 11/28/2001 | CN1075582C Vacuum generator with ejector device |
| 11/27/2001 | US6322288 Storm or waste water chamber featuring strain relief notches for flexing and contouring the chamber |
| 11/22/2001 | WO2001088288A1 Stormwater management system |
| 11/13/2001 | US6315897 Rain water run-off filtering system |
| 11/13/2001 | US6315493 Retrievable filter element for subsurface drainage |
| 11/07/2001 | CN1320749A Drainage control method for surface water in tank region |
| 11/01/2001 | US20010034902 Vacuum flush waste disposal system for railcars |
| 10/31/2001 | EP1149208A1 Air admittance valve for sanitary waste pipe system |
| 10/30/2001 | US6309139 Manhole with extension wings |
| 10/23/2001 | US6306293 Storm drain liner |
| 10/23/2001 | US6305403 Aeration apparatus for a vertical riser in a vacuum drainage system |
| 10/18/2001 | US20010030151 Wastewater dispersal system |
| 10/18/2001 | US20010030150 Sewer basket and its support |
| 10/17/2001 | EP1146176A1 Reservoir structure |
| 10/16/2001 | US6303033 Retrievable filter element for subsurface drainage |
| 10/11/2001 | WO2001025632A3 Low-pressure drainage system |
| 10/10/2001 | EP1141494A1 Water conduit |
| 10/10/2001 | EP0909140B1 Device for treatment of possibly contaminated sludge occurring in sanitary facilities |
| 10/09/2001 | US6298870 Vacuum-operated sewage system and air inlet valve |
| 09/27/2001 | WO2001071112A1 Effluent distribution system |
| 09/25/2001 | US6294095 Silt filtration system |
| 09/05/2001 | EP1130180A2 Waste fluid discharge column |
| 09/05/2001 | EP0734478B1 Underground drainage system |
| 09/05/2001 | CN1311838A Porous medium in an integrated hydrologic circuit for water storage and water transport to minimize evaporative loss for farm use and city use |
| 09/04/2001 | US6283140 Waste fluid discharge column |
| 08/29/2001 | EP1127199A1 Water purification arrangement for drain water catch basins |
| 08/29/2001 | CN1070274C 真空阀控制装置和真空阀 Vacuum valve control device and the vacuum valve |
| 08/22/2001 | EP1126090A2 Filtering inflow device |
| 08/21/2001 | US6277280 Septic tank effluent filtering apparatus and method |
| 08/21/2001 | US6277274 Method and apparatus for treating stormwater runoff |
| 08/16/2001 | EP0840546B1 Device to introduce fluids into soil, filter beds etc. or to remove them from same |
| 08/16/2001 | EP0760039B1 A vacuum unit and a vacuum toilet system comprising such a unit |
| 08/14/2001 | US6274036 Filter |
| 08/09/2001 | WO2001057317A1 Drainage system |
| 08/09/2001 | US20010011391 Galley waste disposal system and method |
| 08/09/2001 | DE10002070A1 Toilettenschüssel Toilet bowl |
| 08/07/2001 | US6270663 Storm drain filter system |
| 08/07/2001 | US6270662 Drain basin filter insert system |
| 08/07/2001 | US6270661 System for infiltrating water into the ground |
| 08/07/2001 | US6270287 Leaching chamber |
| 08/01/2001 | EP1120501A2 Intermediate container for vacuum toilet |
| 08/01/2001 | EP1120500A2 Toilet bowl |
| 07/26/2001 | WO2001053618A2 Sanitary system |
| 07/18/2001 | CN1303976A Vacuum sewage pipeline system |
| 07/17/2001 | US6261444 Storm sewer filtering apparatus |
| 07/17/2001 | US6261443 System for handling drain waters of different degrees of contamination |
| 07/12/2001 | US20010007309 Retrievable filter element for subsurface drainage |
| 07/11/2001 | CN1303454A Toilet apparatus |
| 07/05/2001 | WO2001048321A1 Modular drive-on platform for refuelling stations |
| 07/05/2001 | DE3943704C2 Vorrichtung zum Absaugen von Abwässern aus Schmutzwassersammelbehälter Device for sucking waste water from dirty water collecting |
| 07/05/2001 | DE10026843A1 Steueranordnung für ein durch Unterdruck betätigbares Absperrventil sowie ein Verfahren zum Steuern eines solchen A control arrangement for a shutoff valve actuatable by negative pressure and to a method for controlling such a |
| 07/04/2001 | EP1113113A2 Controlling and regulating method for sewage disposal from sealed ground surfaces and means for carrying out the method |
| 07/03/2001 | US6254770 Sewer basket and its support |
| 06/28/2001 | WO2001046529A1 Leaching chamber endplate |
| 06/28/2001 | DE19962149A1 Steuer- und Regelverfahren für die Abwasserentsorgung von versiegelten Bodenflächen und dergleichen sowie Hilfsmittel zur Durchführung des Verfahrens Control methods for wastewater disposal of sealed floor surfaces, and the like, and tools for performing the method |
| 06/20/2001 | CN1299908A Water supply and drainage system for vacuum toilet |
| 06/13/2001 | DE19938590C1 Venting gas supply device for suction valve control device in reduced pressure waste water system has liquid collection space with connection coupled to reduced pressure source for drainage of collected liquid |
| 06/12/2001 | US6243887 Sewer system |
| 06/07/2001 | US20010002968 Storm water detention filter system |
| 06/05/2001 | US6240986 Recreational vehicle sanitary sewer connector |
| 06/05/2001 | US6240680 Automatic downspout drain extension |
| 06/05/2001 | US6240575 Evacuation system provided with a shut-off valve, and process for maintaining in operating conditions a shut-off valve in a vaccum evacuation system |
| 05/31/2001 | WO2001038650A2 Reservoirs |
| 05/31/2001 | US20010002023 Vacuum waste tank |
| 05/23/2001 | DE10006028C1 Ventilation method for vacuum vessel of vacuum sewage system uses ventilation valve connected to vacuum suction outlet pipe to relieve excess vessel pressure |
| 05/22/2001 | US6234197 Holding tank vacuum relief |
| 05/16/2001 | EP1099804A1 Vacuum toilet |
| 05/16/2001 | EP1099803A1 Infiltration device |
| 05/16/2001 | EP1098813A1 Vacuum toilet system for a vehicle |
| 05/15/2001 | US6231758 Curb-inlet storm drain systems for filtering trash and hydrocarbons |
| 05/10/2001 | DE19951935A1 Fire service emergency water drain filter insert has water holding chamber above filter insert minimising escape of impurities |
| 05/09/2001 | CN2429580Y Hard PVC water draining pipe with double walls |
| 05/09/2001 | CN1065582C Vacuum valve controller for vacuum sewer system |
| 05/08/2001 | US6226807 System and method for a reduced water consumption vacuum toilet |
| 05/03/2001 | DE19949937A1 Suction conveyor system has distributor, connecting pipe, collector pipe and container, joint, and inlet edge |
| 05/02/2001 | EP1073610A4 Curb-inlet storm drain systems for filtering trash and hydrocarbons |
| 05/01/2001 | US6224342 Conduit pump system to increase water flow capacity |
| 05/01/2001 | US6223361 Galley waste disposal system |