| Patents for E03F 5 - Sewerage structures (11,230) |
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| 05/23/2000 | CA2004749C Apparatus and method for improved pipe to manhole sealing |
| 05/18/2000 | DE19853009A1 Rainwater diverter for flat roofs has drain pipe with opposite connecting pipes with curved inlet pipes swivelling in vertical direction and connected at free ends by support |
| 05/16/2000 | US6062767 Storm water receptor system |
| 05/16/2000 | CA2143984C Filter system |
| 05/11/2000 | WO2000026481A1 A safety device for a well |
| 05/11/2000 | WO2000026141A1 Compact installation for mechanically cleaning waste water |
| 05/10/2000 | CN2377297Y Theftproof safety cover for sewage or water supply manhole shaft |
| 05/09/2000 | US6059964 Collapsible catch basin grate filter assembly |
| 05/09/2000 | US6059208 Buried plastic sewage sump |
| 05/04/2000 | DE19850320A1 Kompaktanlage für die mechanische Reinigung von Abwasser Compact system for the mechanical purification of waste water |
| 05/04/2000 | DE19726342C2 Verfahren und Anordnung zur Entölung von Sinterbrunnenwasser Method and apparatus for separation of oil from water fountain sintering |
| 04/28/2000 | CA2253181A1 Rolled stainless steel antibacterial liquid drain |
| 04/27/2000 | DE19846668A1 Securing device for drainage channel consists of profiled plate locked in place by wedge-shaped interchangeable blocking clip of plastic |
| 04/26/2000 | EP0995847A2 Drain, particularly floor drain |
| 04/26/2000 | CN2375687Y Three-rope grate sludge remover |
| 04/25/2000 | US6053206 Device for controlling a liquid flow in a conduit system |
| 04/25/2000 | US6053197 Horizontal-flow oil-sealant-preserving drain odor trap |
| 04/20/2000 | WO2000022247A1 Securing device for a drainage channel |
| 04/20/2000 | DE19901993C1 Flush feed for rain drain has flush opening closed by flap with chamber connected to stored fluid volume |
| 04/20/2000 | DE19846560A1 Vorrichtung zum dosierten Überleiten von Flüssigkeit von einem Becken in ein anderes Becken sowie dessen Verwendung Apparatus for the metered passing liquid from one tank into another tank and the use thereof |
| 04/19/2000 | EP0994075A2 Device for dosing liquid transfer from one tank to another |
| 04/19/2000 | CN2374590Y Spilling-proof appts. |
| 04/13/2000 | WO2000020088A1 Oil and debris separator |
| 04/12/2000 | EP0991825A1 Street sink |
| 04/12/2000 | CN2373501Y Gully grating with anti-theft, dustproof and deodorization |
| 04/11/2000 | CA2022884C A continuously and automatically functioning device for the drainage of sludge, especially of sewage sludge |
| 04/05/2000 | CN2372379Y Water-decanting device |
| 04/04/2000 | US6044591 Drain and inspection manhole for liquid conduits and manhole section therefor |
| 03/30/2000 | DE19900334C1 Initial mechanical sewage cleaning appts has an angled sieve pipe inserted into the sewage flow channel with a base sieve to extract ground organic matter and inorganic material which cannot be reduced |
| 03/29/2000 | CN2371237Y Concrete manhole cover |
| 03/22/2000 | EP0987442A1 Pumping station with timer |
| 03/22/2000 | CN2370075Y Anti-theft dtch cover board assembly |
| 03/21/2000 | CA2049419C Valve device for automatic circulation in waste water pump station |
| 03/16/2000 | WO2000014346A1 Drain cover in sanitary compartments |
| 03/16/2000 | WO2000014345A1 Apparatus for preventing reverse flow in drainage |
| 03/16/2000 | WO2000014340A1 Drainage conduit with collapsible cover or grid |
| 03/16/2000 | DE19840593A1 Flat roof drainage gully has two funnel-shaped hollow bodies with locking elements, and clamp elements to hold roofing material |
| 03/15/2000 | CN2368894Y Anti-stealing manhole cover |
| 03/14/2000 | US6035892 Telescoping valve having improved seal |
| 03/02/2000 | DE19829093C1 Method of production of cast concrete tunnel sections involves forming semi-circular tunnel sections from blanks forming channel section |
| 02/29/2000 | US6029684 Sewer inspection chamber with back-flow prevention valve |
| 02/24/2000 | DE19933863A1 Screenings washer for sewage treatment works |
| 02/24/2000 | DE19836930A1 Drain for flat surfaces has restricting edge and passage piece |
| 02/23/2000 | EP0963349A4 Device for separating grease from drain water |
| 02/22/2000 | US6027639 Self-cleaning siphon-actuated radial flow filter basket |
| 02/17/2000 | WO2000008267A1 Method and system for discharging a waste flow and siphon installation for use therein |
| 02/16/2000 | CN2364094Y Water-saving deodorizing closet device |
| 02/10/2000 | WO2000006830A1 Drainage outlet part of bridge gully |
| 02/09/2000 | EP0977711A1 Oil from water separator |
| 02/03/2000 | DE19835383C1 Switching duct for fluid feed |
| 02/02/2000 | EP0975842A1 Gully hole |
| 02/02/2000 | CN2361619Y Vertical automatic sewage draining device |
| 02/02/2000 | CN1243560A Square or rectangular roadwork device comprising support frame and a covering element |
| 02/01/2000 | US6019898 Weir assembly with movable baffle member |
| 02/01/2000 | US6018914 Liner for manhole and a method for lining a manhole |
| 02/01/2000 | CA2192152C Watercraft waste water treatment system and method |
| 01/26/2000 | EP0973975A1 Square or rectangular roadwork device comprising a support frame and a covering element |
| 01/26/2000 | EP0973595A1 Modular lamellar clarifier |
| 01/26/2000 | CN2360470Y Water saving device for utilizing waste water |
| 01/25/2000 | US6017166 Catch basin guard and filter |
| 01/18/2000 | US6015489 Plastic self-relieving curb inlet filter |
| 01/18/2000 | US6014849 Joining method and joining structure as well as form for concrete products |
| 01/18/2000 | US6014780 Shower bath and drain |
| 01/13/2000 | DE19830192A1 Works for removal of excess water due to flooding from water system |
| 01/12/2000 | CN1048187C Apparatus for separation of solids from flowing liquid |
| 01/11/2000 | CA2186980C Wastewater pump station |
| 01/05/2000 | CN2357054Y Wave beating type oil-separating filter |
| 01/04/2000 | US6010622 Environmental filter |
| 12/29/1999 | EP0966576A1 Shaft cover |
| 12/29/1999 | EP0966571A1 Subsurface fluid drainage and storage systems |
| 12/29/1999 | EP0966570A1 Strainer insert |
| 12/28/1999 | CA2009906C Method and device for automatic circulation in waste water pump stations |
| 12/23/1999 | WO1999066141A1 A screening apparatus |
| 12/23/1999 | DE19825861A1 Surface fitting for drainage shaft |
| 12/22/1999 | EP0859891B1 Installation for separating volatile liquids from water mixed with such liquids |
| 12/22/1999 | CN2355015Y Sealed cover |
| 12/21/1999 | US6004457 Temporary silt guard for sewer inlet |
| 12/15/1999 | EP0963349A1 Device for separating grease from drain water |
| 12/14/1999 | US6000878 Cover for underground structures |
| 12/10/1999 | CA2240080A1 Snow disposal system |
| 12/08/1999 | EP0883572A4 Apparatus for separating a light from a heavy fluid |
| 12/08/1999 | CN1047221C Flashing type septic tank and its complete set of equipment |
| 12/07/1999 | US5997210 Fixture and method for fixing a plurality of plates |
| 12/07/1999 | US5996136 Toilet |
| 12/02/1999 | WO1999061714A1 Removable coupling coating to receptacle in that accumulate dirt and endowment of connectors for fitting of that |
| 12/02/1999 | DE19824350A1 Separating device for feed channel of apparatus removing solids from fluids such as water |
| 12/01/1999 | CN2351489Y Floor drain |
| 11/30/1999 | US5993646 Grease trap |
| 11/25/1999 | WO1999060221A1 Device for inserting batchwise a liquid into a pipeline system |
| 11/24/1999 | EP0959203A2 Swimming pool gutter, specially from ceramic material |
| 11/24/1999 | EP0958023A1 Apparatus for screening |
| 11/24/1999 | EP0958022A1 Apparatus for separation |
| 11/24/1999 | EP0900175A4 Apparatus and method for treating storm water runoff |
| 11/24/1999 | CN2350453Y Desilting device |
| 11/24/1999 | CN2350452Y Air pressure sewer blowdown device |
| 11/23/1999 | US5989417 Covering for a sewer manhole |
| 11/17/1999 | EP0956269A1 Oil/grease separator |
| 11/16/1999 | US5983413 High performance flush toilet |
| 11/10/1999 | EP0955418A1 Method for controlling discharge regulators in liquid carrying pipe or free-head systems |
| 11/10/1999 | EP0954651A1 Raked bar screen |