Patents
Sitemap › E03 - Water supply; Sewerage › E03F - Sewers; Cesspools › E03F 5 - Sewerage structures
Patents for E03F 5 - Sewerage structures (11,230)
10/2003
10/01/2003CN2576710Y Combined multi-stage clearing digestion tank
09/2003
09/30/2003US6626201 Apparatus for preventing reverse flow in drainage
09/30/2003CA2308860C Drain inlet with articulated and locked cover and grating
09/24/2003CN2575198Y Light composite construction materials
09/24/2003CN2575197Y Plastic staple bolt for external heat insulation combined pouring netless polyphenyl slab
09/24/2003CN2575196Y Shaft well cleaning out dredge machine
09/24/2003CN2575195Y Prefabricated combined septic tank
09/24/2003CN2575194Y Sewage cleaning bag
09/18/2003DE20023295U1 Modular assembly frame esp. for drainage grate for flat roofs, balconies etc. has two support plates locked together via opposite rails for easy length adjustment
09/18/2003DE10238738C1 Locking system, to secure a cover to an open waste water flow gutter, has a pocket under the gutter frame with a locking bolt held in place by a shaped component and an inserted spreader spring
09/17/2003EP1344874A2 Methods and devices at a gully having fixing means for an extension ring
09/17/2003EP1299600A4 Undershot overflow filter
09/17/2003CN2573582Y City street antiblocking antifouling catch basin cover
09/16/2003CA2277997C Base of a manhole having a canal-bed liner
09/10/2003CN2571841Y Manhole cover capable of large range rotation when opened
09/10/2003CN2571840Y Environment protection gate for drainage canal
09/04/2003DE9422470U1 Combined fat and solids separator for treating e.g. kitchen waste water includes screw conveyor equipped solid separating chamber next to fat a separating chamber into which solids-free water passes from the first chamber
09/03/2003CN1440482A Drain and building structure having drain
09/02/2003US6613228 Manhole debris-catching system
09/02/2003US6612780 Reduces installation and removal time; accommodates expansion and/or contraction of surrounding ground or pavement area; easy maintenance
08/2003
08/27/2003CN2568713Y Garbage collector structure for drainage ditch
08/26/2003US6609852 Sediment control drain and method of construction
08/26/2003US6609718 Seal for casting in a concrete wall of a fluid distribution system container
08/21/2003WO2003069081A1 Vent for and method of concealing and venting a septic system
08/20/2003CN2567279Y Movable cover for gutter inlet
08/14/2003US20030152470 Pumping station with efficiency increasing and backflow preventing structure
08/14/2003US20030150197 Vent for and method of concealing and venting a septic system
08/07/2003US20030147693 Grate assembly
08/06/2003EP1333127A1 Grating for drainage channels
08/06/2003EP1332113A1 Process and device for fat separation
08/06/2003EP1141495B1 Base of a gully
08/05/2003US6601347 Method for manufacturing a ready-to-use catch pit
07/2003
07/31/2003US20030141717 Pipe connector
07/31/2003US20030141303 Removable liner coupled to a receptacle for collection of debris
07/31/2003US20030141230 Catch basin trap with filter
07/30/2003EP1331315A1 Floor drain for a tiled floor and a method for install the floor drain
07/30/2003CN2563201Y Biochemical self purifying faeces pool
07/30/2003CN2563200Y Inspection manhole cover
07/24/2003WO2003060247A1 A hydraulic vortex regulator with a closure with a locking device
07/24/2003WO2003060246A1 Locking device for a covering grate
07/24/2003DE20209228U1 Drain cover has transponder for identification purposes so that it can be easily identified during maintenance rounds ensuring that it is not missed out
07/23/2003EP1329562A2 Floor drain
07/23/2003EP1012414B1 Manhole shutters
07/23/2003CN2561837Y Comprehensive drainage arrangement on road
07/22/2003US6595721 Mitred grate and drain cover
07/17/2003US20030132150 Catch basin filter for stormwater runoff
07/16/2003CN2560693Y Drainage canal trough
07/10/2003WO2003056108A1 A device for trapping silt
07/10/2003US20030127379 Surface water purifying catch basin
07/10/2003US20030127377 Stormwater treatment train
07/09/2003EP1325198A1 Road equipment with adjustable configuration
07/09/2003CN2559701Y Reinforced bar framework glass fibre reinforced plastic sewerage gully grating
07/09/2003CN1114020C Device for draining rainwater from roof surface of building
07/03/2003WO2003053524A1 Fire-barrier outlet
07/01/2003US6584625 Drain flow control device for commercial drainage system
06/2003
06/26/2003WO2003051481A2 High capacity catch basin filtration system with adjustable deflector ring
06/26/2003US20030118405 Method of construction for draining the ground and the like
06/26/2003US20030118402 Corrugated plate of plastics used for method of construction for draining the ground and the like
06/26/2003US20030116485 Solids/liquids separator
06/26/2003US20030115814 Drain and a building structure having a drain
06/25/2003EP0688236B2 An apparatus for the separation of solids from flowing liquid
06/24/2003US6581940 Concrete manhole connector gasket
06/24/2003US6581336 Waste water collection arrangement
06/19/2003US20030113167 Flume for optimization of sewer system and wastewater treatment plant capacity
06/18/2003EP1319764A2 Syphon operating sump pit structure for manholes and the like
06/18/2003CN2556286Y Rainwater grate
06/12/2003DE10152445C1 Purge valve for cesspit or rainwater reservoir, has guide tube which pivots to let water out when at high level
06/11/2003CN2555306Y Environmental protecting sealing device of discharge well
06/10/2003US6576141 With curtains that direct the flow of water that contains floatables into the traps of the system while functioning as a pressure relief mechanism which avoids excessive hydraulic forces under extreme flow conditions
06/10/2003US6576140 Food disposal; oil and grease segregation; macerating pump; hot water backflush
06/05/2003WO2003046293A1 A method of drainage irrigating and the establishment and application thereof
06/04/2003CN1421587A Green valley space construction process for sustained development
06/04/2003CN1421578A Branch pipe joint and pipe joining structure utilizing the same pipe joint
05/2003
05/30/2003WO2003043716A1 Filter cartridge with regulated surface cleaning mechanism
05/28/2003EP1313922A1 Screen assembly for combined sewer overflow weir
05/27/2003CA2394898C Self-leveling sewer cover
05/22/2003US20030094407 Filter cartridge with regulated surface cleaning mechanism
05/22/2003DE10218441C1 Position and direction determination device for drainage channel entry and exit runs, has tachymeter fitted with attachment for deflection of target beam to variable depth
05/22/2003DE10201847C1 Locking device for a waste water channel consisting of a frame and a cover comprises a cassette with a threaded plate and a bracing spring inserted in a pocket arranged below the frame
05/21/2003EP1312721A1 Cesspit with lock and method for locking
05/21/2003CN1419023A Flow separation type rainwater autoamtic drainage method and device
05/15/2003US20030089652 Road surface waste water treatment device and tubular water treatment unit
05/14/2003EP1310604A1 Draining chamber and method of producing the same
05/14/2003CN2550436Y Inspection well
05/14/2003CN2550430Y Environment protection sanitary closet
05/14/2003CN1108457C Pump vane
05/13/2003US6561225 Passive flow control valve
05/07/2003EP1307620A1 Liquid reservoir, pumping device for it, and method of emptying the liquid reservoir
05/07/2003EP0934149B1 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
05/07/2003CN2549068Y Rain drain cover
05/06/2003US6558077 Selective suspension drain closure apparatus
05/02/2003EP1306494A2 Valve, in particular flush valve
04/2003
04/30/2003CN2547794Y Prefabricated cleaning-free gulley
04/29/2003US6554021 Apparatus for shock-like flushing in a liquid system
04/24/2003DE20218612U1 Outlet float regulatable as to quantity has flexible hose suspended height-adjustably at inlet end on float and at outlet is connected with connecting pipe
04/22/2003US6551505 Environmental filter
04/17/2003WO2003031738A1 Overflow chamber
04/17/2003WO2003031737A1 Sewer maintenance shaft and pipe connector
04/16/2003EP1301665A1 Pump station
04/16/2003CN2545276Y Kitchen oily sewage separating and cleaning device
1 ... 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 ... 113