WebCPC CPC COOPERATIVE PATENT CLASSIFICATION
E03F 1/00 Methods, systems, or installations for draining-off sewage or storm water
E03F 1/001 ・into a body of water
E03F 1/002 ・{with disposal into the ground, e.g. via dry wells}
E03F 1/003 ・・via underground elangated vaulted elements
E03F 1/005 ・・via box-shaped elements
E03F 1/006 ・{Pneumatic sewage disposal systems; accessories specially adapted therefore}
E03F 1/007 ・・{for public or main systems}
E03F 1/008 ・{Temporary fluid connections for emptying mobile sewage holding tanks, e.g. of trailers, boats}
E03F 3/00 Sewer pipe-line systems
E03F 3/02 ・Arrangement of sewer pipe-lines or pipe-line systems
E03F 3/04 ・Pipes or fittings specially adapted to sewers (manufacture of concrete tubes B28; pipes or pipe fittings in general F16L)
E03F 3/043 ・・{Partitioned to allow more than one medium to flow through}
E03F 3/046 ・・{Open sewage channels}
E03F 3/06 ・Methods of, or installations for, laying sewer pipes (making pipes in situ F16L 1/038){laying conduits in association with the digging of a trench E02F 5/10; laying pipes in general F16L 1/00}
E03F 5/00 Sewerage structures
E03F 5/02 ・Manhole shafts or other inspection chambers (in general E02D 29/12); snow-filling openings; accessories (covers or frames for manholes or the like E02D 29/14)
E03F 5/021 ・・{Connection of sewer pipes to manhole shaft}
E03F 5/022 ・・{Partitioned to allow more than one medium to flow through}
E03F 5/024 ・・{made of plastic material}
E03F 5/025 ・・{provided with a liner}
E03F 5/027 ・・{The bottom made of prefabricated segments}
E03F 5/04 ・Gullies {inlets, road sinks, floor drains} with or without odour seals or sediment traps
E03F 5/0401 ・・{Gullies for use in roads or pavements}
E03F 5/0402 ・・・{provided with flushing means for cleaning or emptying}
E03F 5/0403 ・・・{with a sediment trap}
E03F 5/0404 ・・・{with a permanent or temporary filtering device; Filtering devices specially adapted therefor}
E03F 5/0405 ・・・{with an odour seal}
E03F 5/0406 ・・・・{the odour seal being easily accessible for cleaning}
E03F 5/0407 ・・{Floor drains for indoor use}
E03F 5/0408 ・・・{specially adapted for showers}
E03F 5/0409 ・・・{Devices for preventing seepage around the floor drain}
E03F 5/041 ・・{Accessories therefor}
E03F 5/0411 ・・・{Devices for temporarily blocking inflow into a gully}
E03F 5/042 ・・Arrangements of means against overflow of water, backing-up from the drain
E03F 5/046 ・・adapted to be used with kerbs (E03F 5/06 takes precedence){draining of roads E01F}
E03F 5/06 ・・Gully gratings
E03F 5/08 ・Ventilation of sewers
E03F 5/10 ・Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins {(sewage settling installations 85C3E, 85C6A; sand traps 85C6A2; emptying sewage settling installations 85C6E; settling installations in general B01D 21/00)}
E03F 5/101 ・・{Dedicated additional structures, interposed or parallel to the sewer system}
E03F 5/102 ・・{using already existing parts of the sewer system for runoff-regulation}
E03F 5/103 ・・{Naturals or landscape retention bodies, e.g. ponds}
E03F 5/105 ・・{Accessories, e.g. flow regulators or cleaning devices}
E03F 5/106 ・・・{Passive flow control devices, i.e. not moving during flow regulation}
E03F 5/107 ・・・{Active flow control devices, i.e. moving during flow regulation}
E03F 5/108 ・・・{Cleaning devices providing a flushing surge}
E03F 5/12 ・Emergency outlets
E03F 5/125 ・・{providing screening of overflowing water}
E03F 5/14 ・Devices for separating liquid or solid substances from sewage, e.g. sand or sludge traps, rakes or grates (for use in sewage purification plants or both in sewage purification plants or in sewer systems B01D, C02F){gullies with sediment traps E03F 5/04}
E03F 5/16 ・・Devices for separating oil, water or grease from sewage in drains leading to the main sewer
E03F 5/18 ・Tanks for disinfecting, neutralising, or cooling sewage (arrangements in tanks as to the biological or chemical aspect C02F)
E03F 5/20 ・Siphon pipes or inverted siphons (for connections of baths, basins, or the like E03C 1/12){siphons in dams E02B 7/18}
E03F 5/22 ・Adaptations of pumping plants for lifting sewage (wheeled apparatus for emptying sewers or cesspools E03F 7/10; pumps, pumping plants, per se F04)
E03F 5/24 ・Installations for neutralising explosions in sewers {in tanks B65D 90/38; security devices against the effect of explosions for manhole covers E02D 29/14}
E03F 5/26 ・Installations for stirring-up sewage {disintegrating garbage to be evacuated with sewage B02C 18/40; devices on water-closet bowls E03D}
E03F 7/00 Other installations or implements for operating sewer systems, e.g. for preventing or indicating stoppage; Emptying cesspools
E03F 7/02 ・Shut-off devices (in general F16K)
E03F 7/04 ・・Valves for preventing return flow {in gullies, drains or the like E03F 5/042}
E03F 7/06 ・Devices for restraining rats or other animals
E03F 7/08 ・Hand implements for emptying sewers or cesspools
E03F 7/10 ・Wheeled apparatus for emptying sewers or cesspools
E03F 7/103 ・・{with a tank featuring one or more partition walls}
E03F 7/106 ・・{Accessories, e.g. hose support}
E03F 7/12 ・Installations enabling inspection personnel to drive along sewer canals
E03F 9/00 Arrangements or fixed installations{methods or devices}for cleaning{or clearing}sewer pipes, e.g. by flushing (sediment traps, rakes, screens, or the like, arranged in sewer linesE03F 5/14; cleaning pipes in general, devices for cleaning pipesB08B 9/02;{gullies provided with flushing means for cleaning or emptyingE03F 5/04B; devices to remove obstructions in waste-pipes or sinksE03C 1/30})
E03F 9/002 ・{Cleaning sewer pipes by mechanical means (combined with flushing E03F 9/00)}
E03F 9/005 ・・{Apparatus for simultaneously pushing and rotating a cleaning device carried by the leading end of a cable or an assembly of rods}
E03F 9/007 ・{Devices providing a flushing surge}
E03F 11/00 Cesspools (emptying cesspools E03F 7/00; features relating to treatment of sewage C02F)
E03F 2003/00 Sewer pipe-line systems
E03F 2003/06 ・Methods of, or installations for, laying sewer pipes (making pipes in situ F16L 1/038){laying conduits in association with the digging of a trench E02F 5/10; laying pipes in general F16L 1/00}
E03F 2003/065 ・・Refurbishing of sewer pipes, e.g. by coating, lining
E03F 2005/00 Sewerage structures
E03F 2005/02 ・Manhole shafts or other inspection chambers (in general E02D 29/12); snow-filling openings; accessories (covers or frames for manholes or the like E02D 29/14)
E03F 2005/028 ・・Sealing joints between manhole segments
E03F 2005/04 ・Gullies {inlets, road sinks, floor drains} with or without odour seals or sediment traps
E03F 2005/0412 ・・with means for adjusting their position with respect to the surrounding surface
E03F 2005/0413 ・・・for height adjustment
E03F 2005/0414 ・・・for inclination adjustment
E03F 2005/0415 ・・・for horizontal position adjustment
E03F 2005/0416 ・・with an odour seal
E03F 2005/0417 ・・・in the form of a valve
E03F 2005/0418 ・・・in the form of a bell siphon
E03F 2005/06 ・・Gully gratings
E03F 2005/061 ・・・hinged to the body of the gully
E03F 2005/063 ・・・with slidable or rotatable locking elements
E03F 2005/065 ・・・with elastic locking elements
E03F 2005/066 ・・・with means for protecting against vandalism
E03F 2005/068 ・・・with means for enhancing water flow
E03F 2201/00 Details, devices or methods not otherwise provided for
E03F 2201/10 ・Dividing the first rain flush out of the stormwater flow
E03F 2201/20 ・Measuring flow in sewer systems
E03F 2201/30 ・Devices providing a sequential discharge in sewer systems
E03F 2201/40 ・Means for indicating blockage in sewer systems
--- Edited by Muguruma Professional Engineer Office(C), 2013 ---