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IPC 7
E03D-E03D01300

SECTION E – FIXED CONSTRUCTIONS


E 03WATER SUPPLY; SEWERAGE


E 03 DWATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR


Subclass Index

WATER-CLOSETS, FLUSHING DEVICES 

General structure 

E03D 1/00, E03D 3/00 

Special constructions 

E03D 5/00, E03D 7/00 

ACCESSORIES, COMPONENT PARTS 

E03D 9/00, E03D 11/00 

URINALS 

E03D 13/00 



1/

00Water flushing devices with cisterns

1/

01.Shape or selection of material for flushing cisterns

1/

012..Details of shape of cisterns, e.g. for connecting to wall, for supporting or connecting flushing-device actuators

1/

02.High-level flushing systems

1/

04..Cisterns with bell siphons

1/

05...with movable siphon bells

1/

06..Cisterns with tube siphons

1/

07...with movable or deformable siphon tubes

1/

08...Siphon action initiated by air or water pressure

1/

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

1/

12...Siphon action initiated by outlet of air

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)

1/

16..Cisterns for periodical discharge

1/

18..Cisterns empty when not in action

1/

20..Cisterns with tiltably-mounted containers

1/

22..Twin or multiple flushing cisterns

1/

24.Low-level flushing systems

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)

1/

28..Bowl integral with the flushing cistern

1/

30.Valves for high or low cisterns; Their arrangement (inlet valves, valves in general F16K)

1/

32..Arrangement of inlet valves (devices for reducing noise E03D 9/14)

1/

33..Adaptations or arrangements of floats (actuating-floats in general F16K 33/00)

1/

34..Flushing valves for outlets; Arrangement of outlet valves

1/

35...Flushing valves having buoyancy  [2]

1/

36..Associated working of inlet and outlet valves

1/

38.Adaptations or arrangements of flushing pipes (noise-absorbing means in pipe systems F16L 55/00)


3/

00Flushing devices operated by pressure of the water supply system

3/

02.Self-closing flushing valves (self-closing valves in general F16K 21/04)

3/

04..with piston valve and pressure chamber for retarding the valve-closing movement

3/

06..with diaphragm valve and pressure chamber for retarding the valve-closing movement

3/

08..with other retarding devices

3/

10.Flushing devices with pressure-operated reservoir, e.g. air chamber

3/

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


5/

00Special 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)

5/

01.using flushing pumps

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)

5/

014..with devices for separate removal of liquids and solids

5/

016.with recirculation of bowl-cleaning fluid

5/

02.operated mechanically or hydraulically (E03D 5/01, E03D 5/12 take precedence)

5/

04..directly by the seat or cover

5/

06..directly by the door

5/

08..directly by foot

5/

09..directly by hand

5/

092...the flushing element, e.g. siphon bell, being actuated through a lever

5/

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

5/

10.operated electrically (E03D 5/01, E03D 5/12 take precedence)

5/

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


7/

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


9/

00Sanitary 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)

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)

9/

03..consisting of a separate container with an outlet through which the agent is introduced into the flushing water, e.g. by suction

9/

04.Special arrangement or operation of ventilating devices (ventilating rooms in general F24F)

9/

05..ventilating the bowl

9/

052...using incorporated fans  [2]

9/

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

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)

9/

10.Waste-disintegrating apparatus combined with the bowl

9/

12.Means to prevent freezing of lavatories

9/

14.Noise-reducing means combined with flushing valves (noise-absorbing means in pipe systems F16L 55/00)

9/

16.Water pressure regulating means in flushing pipes


11/

00Other component parts of water-closets (pipe joints or couplings in general F16L)

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)

11/

04..Bowls of flat shape with only slightly inclined bottom

11/

06..Bowls with downwardly-extending flanges

11/

08..Bowls with means producing a flushing water swirl

11/

10..Bowls with closure elements provided between bottom or outlet and the outlet pipe; Bowls with pivotally supported inserts

11/

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

11/

12.Swivel-mounted bowls, e.g. for use in restricted spaces

11/

13.Parts or details of bowls; Special adaptations of pipe joints or couplings for use with bowls  [2]

11/

14..Means for connecting the bowl to the wall, e.g. to a wall outlet  [2]

11/

16..Means for connecting the bowl to the floor, e.g. to a floor outlet  [2]

11/

17..Means for connecting the bowl to the flushing pipe  [2]

11/

18.Siphons (for pipes in general F16L 43/00, F16L 45/00)


13/

00Urinals (without flushing devices A47K 11/00)


  
 

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