WebCPC CPC COOPERATIVE PATENT CLASSIFICATION

E03D　WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR

E03D 1/00 Water flushing devices with cisterns; {Setting up a range of flushing devices or water-closets; Combinations of several flushing devices}

E03D 1/003 ・{Cisterns in combination with wash-basins, urinals, or the like (domestic plumbing installations E03C)}

E03D 1/006 ・{Realisations of and provisions for preventing "sweating" of cisterns}

E03D 1/01 ・Shape or selection of material for flushing cisterns

E03D 1/012 ・・Details of shape of cisterns, e.g. for connecting to wall, for supporting or connecting flushing-device actuators {(mounting frames with incorporated cisterns E03D 11/146)}

E03D 1/0125 ・・・{of built-in cisterns}

E03D 1/02 ・High-level flushing systems

E03D 1/025 ・・{Cisterns with floats actuating the flushing}

E03D 1/04 ・・Cisterns with bell siphons

E03D 1/05 ・・・with movable siphon bells

E03D 1/053 ・・・・{which are pushed upwards by means of own buoyancy, springs, counterweights, or the like}

E03D 1/056 ・・・・{providing an air lock}

E03D 1/06 ・・Cisterns with tube siphons

E03D 1/07 ・・・with movable or deformable siphon tubes

E03D 1/08 ・・・Siphon action initiated by air or water pressure {(actuating mechanisms therefor E03D 5/024)}

E03D 1/082 ・・・・{in tube siphons}

E03D 1/085 ・・・・・{by injection of air or water in the short leg of the siphon}

E03D 1/087 ・・・・・{by pump, valve, or the like, in the short leg of the siphon or a vacuum pump in the long leg of the siphon}

E03D 1/10 ・・・Siphon action initiated by raising the water level in the cistern, e.g. by means of displacement members

E03D 1/105 ・・・・{in cisterns with tube siphons}

E03D 1/12 ・・・Siphon action initiated by outlet of air

E03D 1/125 ・・・・{in cisterns with tube siphons}

E03D 1/14 ・・Cisterns discharging variable quantities of water (twin or multiple flushing cisterns E03D 1/22; flushing devices operated by pressure of the water supply system and discharging variable quantities of water E03D 3/12){also cisterns with bell siphons in combination with flushing valves}

E03D 1/141 ・・・{in cisterns with tube siphons and with tube siphons in combination with flushing valves}

E03D 1/142 ・・・{in cisterns with flushing valves}

E03D 1/144 ・・・・{having a single flush outlet and an additional float for delaying the valve closure}

E03D 1/145 ・・・・{having multiple flush outlets}

E03D 1/16 ・・Cisterns for periodical discharge

E03D 1/165 ・・・{with bell or tube siphons}

E03D 1/18 ・・Cisterns empty when not in action, {e.g. with pressure tanks, with swivel-mounted cisterns}

E03D 1/183 ・・・{with bell or tube siphons}

E03D 1/186 ・・・{with flushing valves}

E03D 1/20 ・・Cisterns with tiltably-mounted containers {for operation, e.g. by the seat E03D 5/04}

E03D 1/22 ・・Twin or multiple flushing cisterns

E03D 1/24 ・Low-level flushing systems

E03D 1/26 ・・Bowl with flushing cistern mounted on the rearwardly extending end of the bowl (shape or material of the cistern E03D 1/01; constructional features of the bowl E03D 11/02 to E03D 11/12)

E03D 1/263 ・・・{provided with a bell or tube siphon}

E03D 1/266 ・・・{exclusively provided with flushing valves as flushing mechanisms}

E03D 1/28 ・・Bowl integral with the flushing cistern

E03D 1/283 ・・・{provided with a bell or tube siphon}

E03D 1/286 ・・・{provided with flushing valves}

E03D 1/30 ・Valves for high or low level cisterns; Their arrangement (inlet valves, valves in general F16K){Flushing mechanisms in the cistern, optionally with provisions for a pre-or a post- flushing and for cutting off the flushing mechanism in case of leakage (flushing valves E03D 1/142, E03D 1/186, E03D 1/266, E03D 1/286)}

E03D 1/302 ・・{with valves kept in open position by means of air or water pressure or by vacuum}

E03D 1/304 ・・{with valves with own buoyancy}

E03D 1/306 ・・・{with articulated valves}

E03D 1/308 ・・{with articulated valves (E03D 1/306 takes precedence)}

E03D 1/32 ・・Arrangement of inlet valves (devices for reducing noise E03D 9/14){noise-reducing means E03D 11/00}

E03D 1/33 ・・Adaptations or arrangements of floats (actuating-floats in general F16K 33/00)

E03D 1/34 ・・Flushing valves for outlets; Arrangement of outlet valves

E03D 1/35 ・・・Flushing valves having buoyancy

E03D 1/36 ・・Associated working of inlet and outlet valves

E03D 1/38 ・Adaptations or arrangements of flushing pipes (noise-absorbing means in pipe systems F16L 55/00){noise-reducing means in the flushing mechanism not in combination with flushing valves E03D 11/00; provisions in the flushing pipe for evacuating leakage water from the cistern}

E03D 3/00 Flushing devices operated by pressure of the water supply system {flushing valves not connected to the water-supply main, also if air is blown in the water seal for a quick flushing}

E03D 3/02 ・Self-closing flushing valves (self-closing valves in general F16K 21/04)

E03D 3/04 ・・with piston valve and pressure chamber for retarding the valve-closing movement

E03D 3/06 ・・with diaphragm valve and pressure chamber for retarding the valve-closing movement

E03D 3/08 ・・with other retarding devices

E03D 3/10 ・Flushing devices with pressure-operated reservoir, e.g. air chamber

E03D 3/12 ・Flushing devices discharging variable quantities of water (flushing cisterns discharging variable quantities of water E03D 1/14)

E03D 5/00 Special constructions of flushing devices (in motor vehicles or trailers B60R 15/00; in railway carriages B61D 35/00; in ships B63B 29/14; in aircraft B64D 11/02), {e.g. closed flushing system}

E03D 5/003 ・{Grey water flushing systems}

E03D 5/006 ・・{Constructional details of cisterns for using greywater}

E03D 5/01 ・using flushing pumps

E03D 5/012 ・combined with movable closure elements in the bowl outlet (bowls with closure elements between bottom or outlet and outlet pipe E03D 11/10)

E03D 5/014 ・・with devices for separate removal of liquids and solids

E03D 5/016 ・with recirculation of bowl-cleaning fluid

E03D 5/02 ・operated mechanically or hydraulically (E03D 5/01, E03D 5/12 take precedence){(or pneumatically) also details such as push buttons, levers and pull-card therefor}

E03D 5/022 ・・{Operating automatically (E03D 5/10 takes precedence)}

E03D 5/024 ・・{Operated hydraulically or pneumatically}

E03D 5/026 ・・{Devices preventing overflow or locks inhibiting the use of the flushing system (devices preventing overflow of the bowl contents and seals for the bowl outlet E03D 11/00); Devices preventing sucking-up of sealing and flushing water}

E03D 5/028 ・・{Pusher plates and actuating mechanisms for built-in cisterns}

E03D 5/04 ・・directly by the seat or cover {combined with devices for opening and closing shutters in the bowl outlet and/or with devices for raising and lowering seat or cover; Raising or lowering seat and/or cover by flushing or by the flushing mechanism}

E03D 5/06 ・・directly by the door

E03D 5/08 ・・directly by the foot {combined with devices for opening or closing shutters in the bowl outlet and/or with devices for raising or lowering seat and cover and/or for swiveling the bowl}

E03D 5/09 ・・directly by the hand

E03D 5/092 ・・・the flushing element, e.g. siphon bell, being actuated through a lever

E03D 5/094 ・・・the flushing element, e.g. siphon bell, being actuated through a cable, chain or the like

E03D 5/10 ・operated electrically (E03D 5/01, E03D 5/12 take precedence), {e.g. by a photo-cell; also combined with devices for opening or closing shutters in the bowl outlet and/or with devices for raising/or lowering seat and cover and/or for swiveling the bowl}

E03D 5/105 ・・{touchless, e.g. using sensors}

E03D 5/12 ・discharging periodically (high-level cisterns for periodical discharge E03D 1/16)

E03D 7/00 Wheeled lavatories (wheeled closets without flushing A47K 11/00; construction of land vehicles B62)

E03D 9/00 Sanitary or other accessories for lavatories (hand tools for cleaning the toilets bowl A47K 11/10; seats or covers for closets A47K 13/00; body supports, other than seats for closets A47K 17/02; devices for preventing contamination of drinking-water pipes E03C 1/10){Devices for cleaning or desinfecting the toilet room or the toilet bowl; Devices for eliminating smells (cleaning, desinfecting or deodorising the seat A47K 13/30)}

E03D 9/002 ・{Automatic cleaning devices}

E03D 9/005 ・{Devices adding desinfecting or deodorising agents to the bowl}

E03D 9/007 ・{Devices for eliminating smells by diffusing deodorants in lavatories}

E03D 9/02 ・Devices adding a disinfecting, deodorising, or cleaning agent to the water while flushing (apparatus for disinfection A61L 2/00; treatment of water in general C02F)

E03D 9/022 ・・{consisting of solid substances introduced in the bowl or the supply line}

E03D 9/03 ・・consisting of a separate container with an outlet through which the agent is introduced into the flushing water, e.g. by suction; {Devices for agents in direct contact with flushing water}

E03D 9/031 ・・・{Devices connected to or dispensing into the flushing pipe}

E03D 9/032 ・・・{Devices connected to or dispensing into the bowl}

E03D 9/033 ・・・{Devices placed inside or dispensing into the cistern}

E03D 9/035 ・・・・{Devices connected to the actuation mechanism (E03D 9/036 takes precedence)}

E03D 9/036 ・・・・{Scoop-like devices}

E03D 9/037 ・・・・{Active dispensers, i.e. comprising a moving dosing element (E03D 9/035 takes precedence)}

E03D 9/038 ・・・・{Passive dispensers, i.e. without moving parts}

E03D 9/04 ・Special arrangement or operation of ventilating devices (ventilating rooms in general F24F)

E03D 9/05 ・・ventilating the bowl

E03D 9/052 ・・・using incorporated fans

E03D 9/06 ・Auxiliary chambers with water connection to the flushing pipe and adapted to receive utensils for bowl-cleaning, e.g. brushes

E03D 9/08 ・Devices in the bowl producing upwardly-directed sprays; Modifications of the bowl for use with such devices (showers A47K 3/28; bathing devices for special therapeutic or hygienic purposes A61H 33/00, for specific parts of the body A61H 35/00); {Bidets; Combinations of bowls with urinals or bidets; Hot-air or other devices mounted in or on the bowl, urinal or bidet for cleaning or disinfecting}

E03D 9/085 ・・{Hand-held spray heads for bidet use or for cleaning the bowl}

E03D 9/10 ・Waste-disintegrating apparatus combined with the bowl {special flushing devices 5/00}

E03D 9/12 ・Means to prevent freezing of lavatories

E03D 9/14 ・Noise-reducing means combined with flushing valves (noise-absorbing means in pipe systems F16L 55/00){if not incombination with flushing valves E03D 11/00; noise-reducing means in valves in general F16K 47/00}

E03D 9/16 ・Water pressure regulating means in flushing pipes

E03D 11/00 Other component parts of water-closets (pipe-joints or couplings in general F16L){e.g. noise-reducing means in the flushing system (noise-reducing means in combination with flushing valves E03D 9/14), flushing pipes mounted in the bowl, seals for the bowl outlet, devices preventing overflow of the bowl contents; devices forming a water seal in the bowl after flushing, devices eliminating obstructions in the bowl outlet or preventing backflow of water and excrements from the waterpipe}

E03D 11/02 ・Water-closet bowls (auxiliary chambers with connections to flushing water for bowl-cleaning utensils E03D 9/06; modified for using upwardly-directed sprays E03D 9/08; seats or covers A47K 13/00){Bowls with a double odour seal optionally with provisions for a good siphonic action; siphons as part of the bowl (parts or details of bowls E03D 11/13)}

E03D 11/025 ・・{Combined with wash-basins, urinals, flushing devices for chamber-pots, bed-pans, or the like}

E03D 11/04 ・・Bowls of flat shape with only slightly inclined bottom {Squat-type closets}

E03D 11/06 ・・Bowls with downwardly-extending flanges {for the sake of flushing}

E03D 11/08 ・・Bowls with means producing a flushing water swirl

E03D 11/10 ・・Bowls with closure elements provided between bottom or outlet and the outlet pipe; Bowls with pivotally supported inserts

E03D 11/11 ・・Bowls combined with a reservoir, e.g. containing apparatus for disinfecting or for disintegrating

E03D 11/12 ・Swivel-mounted bowls, e.g. for use in restricted spaces {slidably or movably mounted bowls; combinations with flushing and disinfecting devices actuated by the swiveling or sliding movement of the bowl}

E03D 11/125 ・・{Height adjustable bowls}

E03D 11/13 ・Parts or details of bowls; Special adaptations of pipe joints or couplings for use with bowls {e.g. provisions in bowl construction preventing backflow of waste-water from the bowl in the flushing pipe or cistern, provisions for a secondary flushing, for noise-reducing}

E03D 11/135 ・・{Supports for bowls}

E03D 11/14 ・・Means for connecting the bowl to the wall, e.g. to a wall outlet

E03D 11/143 ・・・{Mounting frames for toilets and urinals}

E03D 11/146 ・・・・{with incorporated cistern (wall bluilt-in flushing cisterns, connecting a cistern to the wall E03D 1/012)}

E03D 11/16 ・・Means for connecting the bowl to the floor, e.g. to a floor outlet

E03D 11/17 ・・Means for connecting the bowl to the flushing pipe

E03D 11/18 ・Siphons (for pipes in general F16L 43/00, F16L 45/00){if as part of the bowl E03D 11/02; connecting the siphon to the bowl}

E03D 13/00 Urinals (without flushing devices A47K 11/00){Means for connecting the urinal to the flushing pipe and the wastepipe; Splashing shields for urinals}

E03D 13/002 ・{intended for use by women}

E03D 13/005 ・{Accessories specially adapted for urinals}

E03D 13/007 ・[N: Waterless or low-flush urinals; Accessories therefor (siphons E03C 1/281)

E03D 2001/00 Water flushing devices with cisterns; {Setting up a range of flushing devices or water-closets; Combinations of several flushing devices}

E03D 2001/02 ・High-level flushing systems

E03D 2001/14 ・・Cisterns discharging variable quantities of water (twin or multiple flushing cisterns E03D 1/22; flushing devices operated by pressure of the water supply system and discharging variable quantities of water E03D 3/12){also cisterns with bell siphons in combination with flushing valves}

E03D 2001/147 ・・・having provisions for active interruption of flushing

E03D 2001/148 ・・・・with means to prevent premature closing of flushing valve

E03D 2009/00 Sanitary or other accessories for lavatories (hand tools for cleaning the toilets bowl A47K 11/10; seats or covers for closets A47K 13/00; body supports, other than seats for closets A47K 17/02; devices for preventing contamination of drinking-water pipes E03C 1/10){Devices for cleaning or desinfecting the toilet room or the toilet bowl; Devices for eliminating smells (cleaning, desinfecting or deodorising the seat A47K 13/30)}

E03D 2009/02 ・Devices adding a disinfecting, deodorising, or cleaning agent to the water while flushing (apparatus for disinfection A61L 2/00; treatment of water in general C02F)

E03D 2009/024 ・・using a solid substance

E03D 2009/026 ・・using a gel-form substance

E03D 2009/028 ・・using a liquid substance

E03D 2201/00 Details and methods of use for water closets and urinals not otherwise provided for

E03D 2201/20 ・Noise reduction features

E03D 2201/30 ・Water injection in siphon for enhancing flushing

E03D 2201/40 ・Devices for distribution of flush water inside the bowl