| Patents for E03F 5 - Sewerage structures (11,230) |
|---|
| 11/10/1999 | EP0954650A1 Method for manufacturing a ready-to-use catch-pit, and such a catch-pit |
| 11/10/1999 | CN2348030Y Foldable several chain bucket dredging mechanism for sewer |
| 11/10/1999 | CN2348029Y 防臭地漏 Deodorant floor drain |
| 11/09/1999 | US5980740 Storm drain collection box filtration system |
| 11/09/1999 | US5979505 Sewer vent deicer |
| 11/04/1999 | DE19818356A1 Water extraction shaft for reinforced concrete drains |
| 11/03/1999 | EP0777630B1 Sewage clarification plant |
| 11/03/1999 | CN2346848Y Fast regulating manhole cover base |
| 10/28/1999 | WO1999054565A1 A method and a device for automatic circulation in waste water tank |
| 10/28/1999 | WO1999054564A1 Rapid storm water filtration |
| 10/28/1999 | WO1999043899A3 Vortex valves |
| 10/28/1999 | DE19817898A1 Geruchssperre für Straßenkanal Odor barrier for road channel |
| 10/27/1999 | EP0952263A2 Odour seal for road drainage channel |
| 10/27/1999 | EP0952262A2 Expansion device for locking drawholes and grates |
| 10/27/1999 | EP0951452A1 Method and apparatus for helical flow in a header conduit |
| 10/21/1999 | DE19815544A1 Method for preparing drainage channel in base of access shaft for drain |
| 10/20/1999 | EP0950772A2 Branch connection |
| 10/20/1999 | CN2344461Y Anti-theft manhole cover |
| 10/20/1999 | CN2344460Y Dual-purpose water discharge outlet |
| 10/20/1999 | CN1232516A Filter element |
| 10/19/1999 | US5967759 Basement flash flood control system |
| 10/13/1999 | EP0948683A1 A draining gutter |
| 10/13/1999 | EP0948682A1 Device for collecting, temporarily storing and draining off rainwater |
| 10/13/1999 | CN2343232Y Water tank |
| 10/13/1999 | CN2343231Y Locking device for manhole iron cover |
| 10/12/1999 | CA2195822C Multicell separator |
| 10/07/1999 | DE19915147A1 Manufacturing process for a manhole |
| 10/06/1999 | CN2342032Y Float ball valve for preventing foul of floor drain |
| 10/06/1999 | CN1231012A Stepped filtration device for mechanically separating solid from liquids |
| 10/05/1999 | US5960803 Method and device for cleaning septic systems |
| 09/29/1999 | CN2340828Y Grating |
| 09/29/1999 | CN2340827Y Sewage disposal device |
| 09/29/1999 | CN2340826Y Smooth surface loop strainage filtering board |
| 09/28/1999 | CA2180383C Runoff and waste-water interceptor |
| 09/22/1999 | CN2339645Y Anti-overflow odour-proof dredging component one's floor fitted at sewer of kitchen and toilet |
| 09/22/1999 | CN2339644Y Blast-proof toxicity-proof floor drain |
| 09/21/1999 | US5954952 Stormwater catch basin filter assembly |
| 09/21/1999 | US5954484 Sewage lifting station |
| 09/21/1999 | CA2119419C Automatic grease interceptor |
| 09/16/1999 | DE19810358A1 Drain grating frame held in restrictive side sections |
| 09/16/1999 | DE19808144A1 Underground pumping station for waste water |
| 09/15/1999 | EP0941389A1 Shaft bottom |
| 09/14/1999 | US5951924 Method of forming holes in concrete |
| 09/14/1999 | CA2059830C Tank for separating water and hydrocarbon fuels from contaminated water |
| 09/10/1999 | WO1999045214A1 A filter assembly |
| 09/09/1999 | DE19804160A1 Automatic thrust drainage appliance for clean and contaminated fluids, preferably for the sewage industry |
| 09/08/1999 | CN2337218Y Safety manhole grate |
| 09/02/1999 | WO1999043899A2 Vortex valves |
| 09/02/1999 | WO1999043895A1 Liquid barrier |
| 09/02/1999 | DE19806317A1 Drainage regulator for ground retention filter |
| 09/01/1999 | EP0938615A1 Ground surface integrated water sorage, water conducting and water treatment system with integrateable ground and water protection |
| 09/01/1999 | EP0688236B1 An apparatus for the separation of solids from flowing liquid |
| 08/26/1999 | WO1999042405A1 Curb-inlet storm drain systems for filtering trash and hydrocarbons |
| 08/26/1999 | DE19806418A1 Gully covering body with base plate and cylindrical elastic sleeve as side wall |
| 08/26/1999 | DE19806212A1 Subsoil rising pipe for road access covers has compressible lower section |
| 08/25/1999 | EP0937938A1 A method of connecting a branch pipe with a mains pipe or manhole and a drilling device for forming the connecting aperture |
| 08/25/1999 | EP0699255B1 Prefabricated stucture of ferroconcrete or a substitute material |
| 08/24/1999 | CA2050955C Method and apparatus for removing grit from sewage |
| 08/24/1999 | CA2001930C Roadway water drainage installation |
| 08/18/1999 | EP0936318A1 Biofilter |
| 08/18/1999 | EP0935699A1 Gross pollution filter |
| 08/12/1999 | WO1999039800A1 Modular lamellar clarifier |
| 08/11/1999 | EP0934149A1 Mould closing system, method and mould system for producing large injection moulded articles with application of very high closing pressures as well as so equipped injection moulding machine |
| 08/10/1999 | US5934331 Floor drain adapter |
| 08/05/1999 | WO1999039057A1 Waste assembly allowing adjustable fitment of a floor waste or appliance |
| 07/29/1999 | DE19858934A1 Concrete shaft under part production process |
| 07/29/1999 | DE19801104A1 Flood water overflow sieve at flood barrier |
| 07/28/1999 | EP0931885A2 Drainage channel |
| 07/28/1999 | EP0931884A2 Road gully |
| 07/27/1999 | US5927955 Sump pump container and method |
| 07/22/1999 | DE19801914A1 Household outflow-to-drainage backwash preventer |
| 07/20/1999 | US5925242 Sand trap and flow controller mechanism for a bathtub |
| 07/20/1999 | US5924846 Cover for sewer basin having integral control housing |
| 07/15/1999 | WO1999035093A1 Self-cleaning siphon-actuated radial flow filter basket |
| 07/15/1999 | DE19859415A1 House roof discharges rainwater via holding vessel |
| 07/15/1999 | DE19805604C1 Bio-filter for fitting in a water drainage system shaft |
| 07/14/1999 | CN2328722Y Anti-block type water drainage pipe |
| 07/14/1999 | CN2328721Y 地漏 Floor drain |
| 07/14/1999 | CN2328720Y Water sealed drain |
| 07/13/1999 | US5921282 Protective cover for plumbing fixtures |
| 07/06/1999 | US5918325 Flush toilet bowl |
| 07/01/1999 | DE19821817C1 Metering feed for fluid doses in pipeline |
| 06/30/1999 | EP0925405A1 Filter element |
| 06/30/1999 | CN2326648Y Leakage-proof anti-blocked floor drain |
| 06/24/1999 | DE19755588A1 Waste water treatment plant with semicircular screen formed of two arrays useful for removal of coarse solids |
| 06/23/1999 | EP0924434A1 A pump |
| 06/23/1999 | EP0924357A2 Rain water relief structure |
| 06/23/1999 | EP0924356A2 Structure for collecting rain water |
| 06/23/1999 | EP0924355A2 Rain water relief structure |
| 06/23/1999 | CN2325157Y Double inclined 'X' section flat-steel |
| 06/23/1999 | CN1220348A Pump |
| 06/23/1999 | CN1043800C 真空排放系统 Vacuum Release Systems |
| 06/22/1999 | US5914049 Method and apparatus for helical flow in a header conduit |
| 06/17/1999 | WO1999029973A1 Filter cassette |
| 06/16/1999 | EP0922820A2 Method and apparatus for spraying grout onto the interior surface of a manhole |
| 06/15/1999 | US5911518 Shower bath and drain |
| 06/15/1999 | CA2180305C Submerged pipe separator tank |
| 06/10/1999 | WO1999027831A1 Filter device for aircraft |
| 06/10/1999 | DE19855914A1 Weir spillway for treated sewage |
| 06/10/1999 | DE19844354A1 Septic tank system for collecting effluent and sewage from caravans and motor homes |