Patents for E03F 5 - Sewerage structures (11,230) |
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10/27/1994 | DE4312785A1 Ground gully, floor gully or roof gully |
10/26/1994 | CN2180700Y Road drainage well structure |
10/26/1994 | CN2180317Y Sewage treatment device with removing device for accumulated dirt |
10/26/1994 | CN1094111A Waste water pump station |
10/25/1994 | US5358002 Sewer chimney system |
10/19/1994 | EP0620330A1 Bar for grating suitable to walk on |
10/19/1994 | EP0620329A1 Flow regulator particularly for rainwater receiving basin |
10/12/1994 | EP0619131A1 Light liquid separator with automatic shut-off |
10/11/1994 | US5354465 Large capacity filter system |
09/29/1994 | DE4407380A1 Combined apparatus for separating off solids and fats |
09/29/1994 | DE4322036C1 Sludge trap unit |
09/29/1994 | DE4309219A1 Ground gulley |
09/28/1994 | EP0617176A1 Separator for separating mixtures of liquids |
09/28/1994 | EP0616823A1 Separator for separating mixtures of liquids |
09/28/1994 | EP0616659A1 Method and device for controlling a flow of fluid |
09/22/1994 | DE4409375A1 Securing device for an overflow weir in a waste-water (sewage) disposal tank |
09/22/1994 | DE4308333A1 Cleaning device for cleaning water flowing in a channel |
09/21/1994 | EP0615776A1 Oil separators |
09/21/1994 | CN2177758Y Glass fibre reinforced plastic gully grating |
09/21/1994 | CN2177757Y Integrated sewage treating tank |
09/15/1994 | WO1994020697A1 A device in draining gutters |
09/15/1994 | CA2157515A1 A device in draining gutters |
09/14/1994 | EP0614397A1 Sewage water installation with an incorporated screening unit. |
09/08/1994 | DE4338085A1 Filter device for a shaft for receiving liquids |
09/08/1994 | DE4306807A1 Low-viscosity-liquid separator |
09/06/1994 | US5344085 Vacuum drainage system |
08/31/1994 | EP0612893A1 Elevating device for floor drains |
08/30/1994 | US5341826 Apparatus for compressing and washing contaminated raked-off or screened material, particularly in sewage treatment plants |
08/30/1994 | US5341523 Anti-vortex drain |
08/25/1994 | DE4305494A1 Ground gully with protective sheath |
08/25/1994 | DE4305148A1 Gully |
08/23/1994 | US5340469 Apparatus for removal of fat, oil and grease from laundry wash water |
08/23/1994 | US5340232 Manhole cover |
08/18/1994 | WO1994018418A1 Lined manhole assembly and liner |
08/18/1994 | WO1994018414A1 High flow drains |
08/18/1994 | WO1994017896A1 An apparatus for the separation of solids from flowing liquid |
08/18/1994 | WO1994017890A1 An apparatus for drainage of oil and water from a surface, especially from the deck of a tanker |
08/18/1994 | DE4304867A1 System for separating light liquids from water loaded with such liquids |
08/18/1994 | DE4303827A1 Bore-sealing ring |
08/18/1994 | CA2155838A1 Lined manhole assembly and liner |
08/17/1994 | EP0611269A1 Sewage pump station |
08/17/1994 | EP0610612A1 Water permeable ditch cover |
08/16/1994 | US5337789 Vortex valves |
08/13/1994 | CA2089420A1 Inlet control device |
08/11/1994 | DE4403154A1 Water-discharge installation arranged at a considerable depth beneath the ground, and method of operating the installation |
08/04/1994 | DE4302932A1 Rain water treatment basin |
08/03/1994 | CN2173288Y Grate for sewer |
07/28/1994 | DE4313097C1 Floor or roof outflow |
07/28/1994 | DE4240057A1 Installation for collection of water-pollutant liqs from roadway |
07/27/1994 | EP0607349A1 Water retaining reservoir structure |
07/26/1994 | CA1330957C Device for removing material screened or filtered out of a liquid flowing in a channel |
07/21/1994 | WO1994016159A1 A distributing and regulating unit |
07/21/1994 | DE4322096A1 Drain with pipe coil odour trap |
07/21/1994 | DE4301226A1 Oil and water separation |
07/21/1994 | DE4301152A1 Compact separator - has round housing to contain sludge settling and light matter separations sections and sampling section |
07/20/1994 | EP0606606A1 Drainage gutter for flat roofs and terraces |
07/14/1994 | DE4300709A1 Vehicle washing station waste water cleaning process |
07/13/1994 | EP0605792A1 Surface drainage device |
07/06/1994 | CN2170979Y Centrifugal spiral dewatering machine |
06/30/1994 | DE4244457A1 Cleaning of sepn. container in gravitational cleaning of waste water |
06/28/1994 | US5323804 Bug-proof and odor-proof draining outlet structure |
06/23/1994 | DE4337147A1 Shaft manhole cover with frame and lid |
06/23/1994 | DE4305511C1 Biological mechanical waste water and sewage cleaner |
06/23/1994 | DE4243271A1 Rod sieve calibration for screw press separators |
06/23/1994 | DE4242519A1 Floating matter separator |
06/21/1994 | CA1330365C Apparatus and method for controlling operation of storm sewage pump |
06/16/1994 | DE4335112A1 Underground inspection shaft prefab. concrete parts - have structure on profiled outer surfaces for traffic load dissipation |
06/16/1994 | DE4241706A1 Drainage ditch with cover securable to ditch body in earth - has cover fastener with clamping spring on ditch body and lug on cover |
06/16/1994 | DE4241705A1 Channel for draining surface |
06/16/1994 | DE4241450A1 Rain overflow construction for controlling water level in canal - has weir flap swivelable at horizontal axis and opening as water level before flap increases and hydraulic cylinder provided to swivel weir flap at its pivot pin |
06/15/1994 | EP0601447A1 Surface drainage device |
06/15/1994 | EP0601446A1 Locking device for a drainage device |
06/15/1994 | EP0601445A1 Surface drainage device |
06/15/1994 | EP0521888B1 Method and apparatus for removing grit from sewage |
06/15/1994 | EP0512027B1 Floor drain |
06/14/1994 | US5320445 Grate riser assembly for use with catch basins and the like |
06/11/1994 | CA2111132A1 Means for securing a cover over a drainage channel |
06/11/1994 | CA2111131A1 Surface drainage apparatus |
06/11/1994 | CA2111128A1 Surface drainage apparatus |
06/11/1994 | CA2111127A1 Surface drainage apparatus |
06/09/1994 | DE4305354C1 Separator for oil-water liquid mixture - has integrated sampling device in upper part of clear water outlet, and cover spring-biased into closed position |
06/08/1994 | EP0454794B1 Vacuum drainage system |
06/01/1994 | EP0530203B1 Improvement in a sewage system |
05/25/1994 | EP0598322A1 Separator |
05/19/1994 | DE4321075A1 Sewage and waste water grease separator assembly - includes conversion set to allow removal and disposal of grease in small and manageable charges |
05/19/1994 | DE4315501A1 Waste-water trap for removal of both dense and floating solids - comprises additional partitioned separator vessel connected to trap vessel via its overflow pipe, etc. |
05/19/1994 | DE4314673C1 Worm drive axis - is positioned above and at a distance from the axis of the surrounding rotating sepn. surface |
05/19/1994 | DE4238061A1 Drain with insert installed in floor - has fastener, which is moved by eccentric adjusting drive |
05/19/1994 | DE4238059A1 Drain set in floor - has plug-in removable anti-flooding valve in plug seat with siphon trap |
05/17/1994 | CA1329557C Liquid waste separator |
05/11/1994 | WO1994010398A1 Stormwater discharge regulator |
05/11/1994 | EP0596052A1 Method and inlet device for feeding flat sand traps and settling tanks. |
05/11/1994 | DE4335599A1 Appts. for removal of pollutants from water in drainage pipes |
05/11/1994 | DE4243171C1 Grit trap esp. for clarification plant - avoids sludge formation at low and normal throughputs |
05/06/1994 | CA2082249A1 Drainage structure with integral elbow |
05/05/1994 | DE4335339A1 Cover for road gully - has hinges, which are vertically adjustable in guides in frame |
05/05/1994 | DE4237212A1 Waste or rain water swirl tank - has discharge-accelerating baffle to prevent solids deposition |
04/28/1994 | DE4318522A1 Device to charge basin for sepn. process or sewage treatment - has drop tube with structured trumpet mouth expansion for a Coanda effect on material passing into circular basin |
04/28/1994 | DE4236193A1 Underground-drain access shaft - is in plastic annular sections forming double wall filled with free-flowing and hardening material |
04/27/1994 | EP0594548A1 A device for providing automatic circulation in a waste water pump |