Patents
Patents for E03F 5 - Sewerage structures (11,230)
12/1998
12/23/1998EP0886014A2 Surface drainage device
12/23/1998EP0885640A1 Liquids separator
12/17/1998DE19824431A1 Shaft or road gutter of concrete or steel reinforced concrete prefabricated parts
12/17/1998DE19750709C1 Floor drain seal for toilet room
12/17/1998DE19726224C1 Drain water extraction pump shaft
12/17/1998DE19715619C1 Water treatment assembly removes oil and sedimentary impurities from street
12/16/1998EP0883572A1 Apparatus for separating a light from a heavy fluid
12/16/1998EP0821753A4 Sump-vented controller mechanism for vacuum sewerage transport system
12/16/1998CN1201856A Aerobic digestion toilet
12/15/1998US5849198 Grate suspended storm drain filter with oil absorbing media
12/15/1998US5849181 Catch basin
12/15/1998US5848856 Subsurface fluid drainage and storage systems
12/09/1998EP0882161A1 Stormwater sediment and litter trap
12/08/1998US5846410 Cassette device
12/03/1998WO1998054416A1 A floor drain
12/03/1998DE19722238A1 Water circuit flow arrangement
12/01/1998US5843306 Temporary silt guard for storm water collection basin inlet
11/1998
11/25/1998EP0879576A2 Toilet
11/24/1998US5840180 Water flow segregating unit with endless screw
11/24/1998US5839852 For preventing roadway runoff from contaminating a waterway
11/18/1998CN2297491Y Sewer refuse pulverizator
11/12/1998WO1998050644A1 Grease separating device
11/12/1998WO1998050638A1 Stepped filtration device for mechanically separating solids from liquids
11/12/1998DE19719563A1 Equipment, especially refrigerator
11/12/1998DE19719371A1 Vorrichtung zur maschinellen Feststoffseparation aus Flüssigkeiten Apparatus for mechanically separating solids from liquids
11/11/1998EP0649346B1 Device for centrically charging circular tanks
11/06/1998CA2208416A1 Pre-cast manhole basins and catch basins for use in sewer and drainage systems
11/06/1998CA2204716A1 Pre-cast manhole basin and method and apparatus for connecting a pipe thereto
11/05/1998WO1998049101A1 Oil from water separator
11/04/1998EP0875634A1 Device comprising coupling means for attaching a pipe or the like thereto
10/1998
10/29/1998DE19716802A1 Waste water treatment assembly
10/27/1998US5827425 Grease recovery system and methods
10/27/1998US5826609 Sewer inspection chamber with back-flow prevention valve and method and apparatus for installing valve in sewer inspection chamber
10/22/1998WO1998046838A1 Gully hole
10/22/1998DE19801114A1 Components providing self-cleaning in a waste water retaining chamber
10/21/1998EP0871529A1 Liquid filter
10/21/1998CN2294998Y Manhole cover and grate of GRC material
10/15/1998DE19803719A1 Hygienic water-closet cubicle
10/15/1998DE19801116A1 Omega-shaped perforated spill weir for storm-water
10/14/1998EP0869834A1 Contaminant recovery system and method
10/13/1998US5820762 Filter insert for a storm drain
10/08/1998WO1998044210A1 Auxiliary devices for the improvement of the drainage by integrating the system of separation of rainfall waters from sewage waters
10/07/1998EP0868944A1 Device for supporting the flow of non-homogeneous fluids
10/07/1998CN2293604Y Odour seal and sediment trap for gully
10/06/1998US5816510 Grinder pump station
10/01/1998WO1998042927A1 Trade waste diversion valve
10/01/1998DE19711602A1 Floor drain
09/1998
09/29/1998US5814216 Waste water contaminant segregating unit for sewer conduits
09/24/1998WO1998041303A1 Separator and separation method for separating organic lightweight materials from waste water
09/24/1998DE19712163A1 Floor designed to drain away spilt liquids
09/23/1998EP0866179A2 Distribution box
09/23/1998EP0865547A1 A device for controlling a liquid flow in a conduit system
09/17/1998WO1998040572A1 Street sink
09/17/1998WO1998040571A1 Shaft cover
09/17/1998WO1998040567A1 Square or rectangular roadwork device comprising a support frame and a covering element
09/17/1998CA2283796A1 Shaft cover
09/16/1998EP0864058A1 Moulded concrete unit
09/16/1998EP0864018A1 Method of influencing a flow of waste water
09/16/1998CN2291454Y Tipping tube
09/15/1998US5806829 Concrete hole former
09/11/1998WO1998039521A1 Sump liner and method of installation
09/11/1998CA2283431A1 Sump liner and method of installation
09/09/1998EP0863263A1 Modular dismountable box
09/03/1998WO1998038389A1 Strainer insert
09/03/1998CA2282445A1 Strainer insert
08/1998
08/27/1998WO1998037283A1 Pipe bend
08/27/1998DE19719577C1 Device for removal of raked and/or sieved material from fluid loaded with solid matter
08/27/1998DE19706620A1 Separator for rain water passing down drain pipe
08/27/1998DE19705814A1 Fluid separator removing light fluids from flow in duct
08/27/1998CA2280970A1 Pipe bend
08/26/1998EP0859891A1 Installation for separating volatile liquids from water mixed with such liquids
08/25/1998US5798038 Device for removing deposited material from a liquid in a flume
08/25/1998CA2070783C Filter arrangement
08/19/1998EP0858587A1 Sewer construction
08/19/1998EP0858538A1 Storm water filter arrangement
08/19/1998CN2288224Y Changeable steel fibre concrete gully grating
08/18/1998US5795467 Adjustable inlet for waste water treatment apparatus
08/13/1998WO1998035106A1 Subsurface fluid drainage and storage systems
08/06/1998DE19703350A1 Cast-iron@ frame for manhole lid set in road surface
08/05/1998EP0856610A1 Duct or gully cover
08/05/1998EP0856345A1 Assembly for degassing ground and/or waste water
08/04/1998US5788849 Filter system
08/04/1998US5788848 Apparatus and methods for separating solids from flowing liquids or gases
08/04/1998US5788410 Mobile underflow spill recovery unit
07/1998
07/28/1998US5785865 Watercraft waste water treatment system and method
07/23/1998WO1998031882A1 Raked bar screen
07/23/1998WO1998031881A1 Debris catcher for manholes and catch basins
07/23/1998WO1998031879A1 Base of a manhole having a canal-bed liner
07/23/1998DE19701783A1 Fitting shaft cover in roadway or street
07/15/1998CN2286214Y Sewerage gully grating on road
07/15/1998CN2286213Y Sewerage gulley with sediment trap
07/14/1998US5779888 Filtering apparatus
07/08/1998CN1186892A Waste water pump station
07/08/1998CA2226475A1 Oil trap for catch basin
07/02/1998WO1998028499A1 A flow regulator in a surface water system
07/02/1998WO1998028498A1 Method for manufacturing a ready-to-use catch-pit, and such a catch-pit
07/02/1998CA2275348A1 Method for manufacturing a ready-to-use catch-pit, and such a catch-pit
07/01/1998CN1186191A 真空阀控制器 A vacuum valve controller
07/01/1998CN1038907C Transporting element of a reciprocable scraper
06/1998
06/30/1998CA2137842C Reflecting body having high luminance
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