| Patents for E03F 5 - Sewerage structures (11,230) |
|---|
| 07/16/1997 | EP0783614A1 Separation device |
| 07/10/1997 | DE19623869A1 Drainage water inlet for roads, flats etc. |
| 07/09/1997 | EP0783060A1 Gutter |
| 07/09/1997 | EP0783056A1 Device for dividing with control an arriving fluid flow |
| 07/09/1997 | CN2257560Y Glass fibre reinforced plastics sewage recovery package |
| 07/08/1997 | US5645372 Form for construction of a catch basin |
| 07/08/1997 | US5645099 Sewer relief valve |
| 07/03/1997 | DE19548834A1 Prefabricated manhole shaft in fibre reinforced cement or plastic |
| 07/02/1997 | EP0781890A1 Base element for a manhole shaft |
| 07/01/1997 | US5643445 Removable storm water screen and overflow device |
| 06/26/1997 | DE19548240A1 Rain butt for flushing drains clear |
| 06/25/1997 | EP0780341A1 Watercraft waste water treatment system and method |
| 06/25/1997 | CN1152885A Contaminant recovery system and method |
| 06/24/1997 | US5641398 Device for removing screened material from a liquid flowing in a flume |
| 06/24/1997 | US5641360 Feeding liquid-solid mixture to swirling zone to wash adhering organic substances from solids, discharging liquid phase to water treatment system, separating solids, feeding back to swirling zone in front of screw conveyor with screen |
| 06/24/1997 | US5640988 Vortex valves |
| 06/19/1997 | DE19547140A1 Floating baffle plate for holding back debris |
| 06/19/1997 | DE19547139A1 Arrangement for keeping narrow water basins or channels clean |
| 06/18/1997 | EP0778790A1 Device for removing solids from liquid flowing along a channel |
| 06/18/1997 | CN1152062A Positioning self-locked gully grating |
| 06/12/1997 | WO1997021005A1 Method of influencing a flow of waste water |
| 06/12/1997 | WO1997021004A1 A device for controlling a liquid flow in a conduit system |
| 06/11/1997 | EP0777630A1 Sewage clarification plant |
| 06/10/1997 | US5637234 Apparatus separates mixture into multiple streams which are discharged against baffle plate to increase separation rate |
| 06/05/1997 | WO1997020161A1 Moulded concrete unit |
| 06/05/1997 | DE19545983C1 Cover for shaft opening e.g. manhole in road or pavement |
| 06/05/1997 | DE19544433A1 Drain to remove pollutant liquids from surface |
| 06/03/1997 | US5635057 End of line sewage filter |
| 06/03/1997 | US5634740 Large-depth underground drainage facility and method of running same |
| 05/28/1997 | EP0596052B1 Method and inlet device for feeding flat sand traps and settling tanks/secondary settler |
| 05/27/1997 | US5632889 Insert for placing in catch basin including cartridge containing absorbent particles which absorb liquid hydrocarbons from water flowing therethrough |
| 05/27/1997 | US5632888 Environmental filter |
| 05/15/1997 | DE19610743A1 Prefabricated filter to purify rain water |
| 05/15/1997 | DE19543123C1 Sewage water raising machine |
| 05/09/1997 | WO1997016711A1 Sewer construction |
| 05/09/1997 | WO1997016609A1 Storm water filter arrangement |
| 05/09/1997 | CA2236537A1 Sewer construction |
| 05/07/1997 | DE19540454A1 Method and appliance for producing shaft base pieces |
| 05/07/1997 | CN2253752Y Suction cleaning type fixed plain plate screen net |
| 05/07/1997 | CN2253751Y 污水处理池 Sewage treatment pond |
| 05/02/1997 | EP0770735A1 Underground buffer tank for storing and treating rain water |
| 05/02/1997 | EP0770184A1 Automatic pneumatic pump |
| 05/02/1997 | EP0666944A4 Apparatus for forming a multi-walled containment trench. |
| 04/30/1997 | DE19600372C1 Removal of solid pollution, especially sand, from sewage |
| 04/30/1997 | DE19540068A1 Mesh grating, especially for laying in openings in concrete of constructed roads |
| 04/30/1997 | DE19539882A1 Water treatment screening washer assembly |
| 04/29/1997 | US5624226 Underground drainage facility, vertical-shaft multi-stage adjustable vane pump, and method of running drainage pump |
| 04/29/1997 | US5624204 Water-retention reservoir structure |
| 04/29/1997 | US5623971 Drain and cleanout spacer |
| 04/24/1997 | DE19635176A1 Vorrichtung zum kontinuierlichen Ausscheiden von Sand Apparatus for continuous withdrawal of sand |
| 04/23/1997 | EP0769087A1 Cassette device |
| 04/16/1997 | EP0768436A2 Device to separate solid substances from liquids, in particular gully, kit and cover for making the same and flushing- and suction pipe for its cleaning |
| 04/16/1997 | EP0768430A1 Arrangement for collecting debris from fluid flowing in a channel |
| 04/09/1997 | EP0767279A1 Waste water pump station |
| 04/09/1997 | EP0767143A2 Process and installation for sand removal and physiochemical clarification of municipal and industrial wastes |
| 04/08/1997 | US5618416 Roof drain |
| 04/08/1997 | US5617679 Stackable riser for on-site waste and drainage systems |
| 04/03/1997 | DE19535881A1 Swivel-mounted pump assembly |
| 04/02/1997 | EP0765185A1 Apparatus and methods for separating solids from flowing liquids or gases |
| 03/25/1997 | US5613835 Flow control apparatus for a water powered sump pump |
| 03/22/1997 | CA2183929A1 Grit removal and physicotechnical sedimentation process and plant for sewage or industrial effluents |
| 03/20/1997 | DE19534241A1 Water treatment tank by=pass unit with shut=off devices |
| 03/19/1997 | EP0763635A1 Gully cleaning device |
| 03/19/1997 | EP0763634A1 Transition device at floor drains |
| 03/19/1997 | CN1145335A Water feeding and discharging system |
| 03/13/1997 | DE19533416A1 Corrosion protecting coating, eg. for metal mouldings used in dewatering plants |
| 03/12/1997 | EP0761894A1 Flushing device for a liquid storage space |
| 03/12/1997 | EP0761885A1 Device for locking a grating on a drainage channel |
| 03/06/1997 | DE19509467A1 Waste water processing plant |
| 03/05/1997 | EP0760409A1 Filtering apparatus |
| 03/05/1997 | EP0719363B1 Transformer station |
| 03/05/1997 | EP0678136B1 A distributing and regulating unit |
| 03/04/1997 | CA2137942C Tank interceptor |
| 02/27/1997 | WO1997006872A1 Liquid filter |
| 02/26/1997 | EP0759488A1 Manhole piece part |
| 02/19/1997 | EP0758426A1 Method and apparatus for spraying grout onto the interior surface of a manhole |
| 02/19/1997 | EP0758421A1 Flush valve |
| 02/18/1997 | US5603587 Drainage water pumping station and method for operating the same |
| 02/13/1997 | WO1997005338A1 Separator |
| 02/12/1997 | EP0758038A1 Gully cleaning device |
| 02/12/1997 | EP0614397B1 Sewage water installation with an incorporated screening unit |
| 02/12/1997 | CN2247199Y Theft-proof device for sewerage grate |
| 02/11/1997 | US5601715 Mutli-stage grease trap filter and skimmer |
| 02/11/1997 | US5601111 Method for automatically circulating and then halting circulation of wastewater in a wastewater pump station, and a valving device therefore |
| 01/29/1997 | EP0756040A1 Waste water lifting device |
| 01/29/1997 | EP0755760A2 Apparatus for making manholes |
| 01/28/1997 | US5597492 Device for discharge limitation and simultaneous temporary storage of waste water and also separation of settleable and floating matter from foul water and such a method |
| 01/28/1997 | US5597477 Sewage effluent disposal system having sparger in holding tank |
| 01/23/1997 | WO1997002081A1 Device for removing solids from liquid flowing along a channel |
| 01/23/1997 | CA2198006A1 Device for removing material screened or filtered out of liquid flowing in a channel |
| 01/22/1997 | EP0754816A1 Bar grating |
| 01/22/1997 | EP0754809A1 Device for removing separable matter from a liquid flowing in a gutter |
| 01/22/1997 | CN2245609Y Efficient water purifier |
| 01/21/1997 | US5595457 Storm drainage underflow dam unit |
| 01/16/1997 | DE19524276A1 Vorrichtung zum Entfernen von Abscheidegut aus in einem Gerinne strömender Flüssigkeit Device for removing separated material from liquid flowing in a channel |
| 01/15/1997 | EP0646204A4 Drywell cover and drywell. |
| 01/14/1997 | US5593597 Filtration system comprising sieving trough, helix and additional sieving apparatus |
| 01/09/1997 | WO1997000716A1 Grease separator grease recovery system |
| 01/08/1997 | CN1139725A Composite flow inspissation inclined plate |
| 01/07/1997 | US5591348 Sewage treatment |