| IPC 7 English version |
| E03D-E03D01300 |
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| SECTION E – FIXED CONSTRUCTIONS |
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| E 03 | WATER SUPPLY; SEWERAGE |
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| E 03 D | WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR |
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| Subclass Index |
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| WATER-CLOSETS, FLUSHING DEVICES |
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| General structure |
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| Special constructions |
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| ACCESSORIES, COMPONENT PARTS |
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| URINALS |
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1/ | 00 | Water flushing devices with cisterns |
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1/ | 01 | . | Shape or selection of material for flushing cisterns |
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1/ | 012 | . | . | Details of shape of cisterns, e.g. for connecting to wall, for supporting or connecting flushing-device actuators |
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1/ | 02 | . | High-level flushing systems |
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1/ | 04 | . | . | Cisterns with bell siphons |
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1/ | 05 | . | . | . | with movable siphon bells |
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1/ | 06 | . | . | Cisterns with tube siphons |
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1/ | 07 | . | . | . | with movable or deformable siphon tubes |
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1/ | 08 | . | . | . | Siphon action initiated by air or water pressure |
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1/ | 10 | . | . | . | Siphon action initiated by raising the water level in the cistern, e.g. by means of displacement members |
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1/ | 12 | . | . | . | Siphon action initiated by outlet of air |
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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) |
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1/ | 16 | . | . | Cisterns for periodical discharge |
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1/ | 18 | . | . | Cisterns empty when not in action |
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1/ | 20 | . | . | Cisterns with tiltably-mounted containers |
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1/ | 22 | . | . | Twin or multiple flushing cisterns |
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1/ | 24 | . | Low-level flushing systems |
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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) |
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1/ | 28 | . | . | Bowl integral with the flushing cistern |
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1/ | 30 | . | Valves for high or low cisterns; Their arrangement (inlet valves, valves in general F16K) |
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1/ | 32 | . | . | Arrangement of inlet valves (devices for reducing noise E03D 9/14) |
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1/ | 33 | . | . | Adaptations or arrangements of floats (actuating-floats in general F16K 33/00) |
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1/ | 34 | . | . | Flushing valves for outlets; Arrangement of outlet valves |
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1/ | 35 | . | . | . | Flushing valves having buoyancy [2] |
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1/ | 36 | . | . | Associated working of inlet and outlet valves |
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1/ | 38 | . | Adaptations or arrangements of flushing pipes (noise-absorbing means in pipe systems F16L 55/00) |
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3/ | 00 | Flushing devices operated by pressure of the water supply system |
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3/ | 02 | . | Self-closing flushing valves (self-closing valves in general F16K 21/04) |
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3/ | 04 | . | . | with piston valve and pressure chamber for retarding the valve-closing movement |
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3/ | 06 | . | . | with diaphragm valve and pressure chamber for retarding the valve-closing movement |
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3/ | 08 | . | . | with other retarding devices |
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3/ | 10 | . | Flushing devices with pressure-operated reservoir, e.g. air chamber |
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3/ | 12 | . | Flushing devices discharging variable quantities of water (flushing cisterns discharging variable quantities of water E03D 1/14) |
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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) |
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5/ | 01 | . | using flushing pumps |
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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) |
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5/ | 014 | . | . | with devices for separate removal of liquids and solids |
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5/ | 016 | . | with recirculation of bowl-cleaning fluid |
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5/ | 02 | . | operated mechanically or hydraulically (E03D 5/01, E03D 5/12 take precedence) |
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5/ | 04 | . | . | directly by the seat or cover |
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5/ | 06 | . | . | directly by the door |
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5/ | 08 | . | . | directly by foot |
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5/ | 09 | . | . | directly by hand |
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5/ | 092 | . | . | . | the flushing element, e.g. siphon bell, being actuated through a lever |
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5/ | 094 | . | . | . | the flushing element, e.g. siphon bell, being actuated through a cable, chain, or the like |
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5/ | 10 | . | operated electrically (E03D 5/01, E03D 5/12 take precedence) |
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5/ | 12 | . | discharging periodically (high-level cisterns for periodical discharge E03D 1/16) |
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7/ | 00 | Wheeled lavatories (wheeled closets without flushing A47K 11/00; construction of land vehicles B62) |
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9/ | 00 | Sanitary or other accessories for lavatories (hand tools for cleaning the toilet 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) |
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9/ | 02 | . | Devices adding a disinfecting, deodorising or cleaning agent to the water while flushing, or in the flushing tank (apparatus for disinfection of materials or objects in general A61L 2/00; treatment of water in general C02F) |
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9/ | 03 | . | . | consisting of a separate container with an outlet through which the agent is introduced into the flushing water, e.g. by suction |
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9/ | 04 | . | Special arrangement or operation of ventilating devices (ventilating rooms in general F24F) |
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9/ | 05 | . | . | ventilating the bowl |
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9/ | 052 | . | . | . | using incorporated fans [2] |
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9/ | 06 | . | Auxiliary chambers with water connection to the flushing pipe and adapted to receive utensils for bowl-cleaning, e.g. brushes |
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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) |
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9/ | 10 | . | Waste-disintegrating apparatus combined with the bowl |
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9/ | 12 | . | Means to prevent freezing of lavatories |
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9/ | 14 | . | Noise-reducing means combined with flushing valves (noise-absorbing means in pipe systems F16L 55/00) |
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9/ | 16 | . | Water pressure regulating means in flushing pipes |
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11/ | 00 | Other component parts of water-closets (pipe joints or couplings in general F16L) |
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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) |
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11/ | 04 | . | . | Bowls of flat shape with only slightly inclined bottom |
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11/ | 06 | . | . | Bowls with downwardly-extending flanges |
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11/ | 08 | . | . | Bowls with means producing a flushing water swirl |
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11/ | 10 | . | . | Bowls with closure elements provided between bottom or outlet and the outlet pipe; Bowls with pivotally supported inserts |
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11/ | 11 | . | . | Bowls combined with a reservoir, e.g. containing apparatus for disinfecting or for disintegrating |
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11/ | 12 | . | Swivel-mounted bowls, e.g. for use in restricted spaces |
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11/ | 13 | . | Parts or details of bowls; Special adaptations of pipe joints or couplings for use with bowls [2] |
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11/ | 14 | . | . | Means for connecting the bowl to the wall, e.g. to a wall outlet [2] |
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11/ | 16 | . | . | Means for connecting the bowl to the floor, e.g. to a floor outlet [2] |
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11/ | 17 | . | . | Means for connecting the bowl to the flushing pipe [2] |
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11/ | 18 | . | Siphons (for pipes in general F16L 43/00, F16L 45/00) |
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13/ | 00 | Urinals (without flushing devices A47K 11/00) |
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