CPC Definition - Subclass E03D

Last Updated Version: 2018.01
WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
Definition statement

This place covers:

Devices for receiving excrements and urine which are cleaned by water flushing.

References
Limiting references

This place does not cover:

Closets or urinals without connection to the water supply or waste system

A47K 11/00

Seats or covers for all kinds of toilets

A47K 13/00

Portable urination aids for medical use

A61F 5/455

Disintegrating of garbage in general

B02C 18/00

Application-oriented references

Examples of places where the subject matter of this place is covered when specially adapted, used for a particular purpose, or incorporated in a larger system:

Arrangement of water closets specially adapted to motor vehicles or trailers

B60R 15/00

Arrangement of water closets specially adapted to railway carriages

B61D 35/00

Flushed water closets specially adapted to ships

B63B 29/14

Flushed water closets specially adapted to aircrafts

B64D 11/02

Water flushing devices with cisterns {; Setting up a range of flushing devices or water-closets; Combinations of several flushing devices}
Definition statement

This place covers:

Constructional aspects and component parts of flushing cisterns;

Inlet and outlet valves specially adapted for flushing cisterns.

References
Limiting references

This place does not cover:

Toilets and urinals with pressurized flushing system

E03D 3/00

Combination of toilet bowls with wash basins, cleaning devices for chamber-pots or similar devices

E03D 11/025

Self-closing valves in general

F16K 21/00

Float actuation for valves in general

F16K 31/18

Measuring water level in general

G01F 23/00

Application-oriented references

Examples of places where the subject matter of this place is covered when specially adapted, used for a particular purpose, or incorporated in a larger system:

Portable toilets with water reservoir for flushing

E03D 7/00

Arrangement of water closets with cisterns specially adapted to motor vehicles or trailers

B60R 15/00

Arrangement of water closets with cisterns specially adapted to railway carriages

B61D 35/00

Water closets with cisterns specially adapted to ships

B63B 29/14

Water closets with cisterns specially adapted to aircrafts

B64D 11/02

Combinations of wash basins, sinks, urinals, toilets or similar devices

E03C 1/01

Special rules of classification

E03D 1/02 is not used, documents are only classified in the corresponding subgroups.

Flushing valves for discharging different quantities of water are classified in E03D 1/14 and, if applicable, in the corresponding subgroup E03D 1/30 - E03D 1/308.

Simple devices for reducing amount of flushing water per flush (e.g. brick in cistern) are classified in E03D 1/14.

Water monitoring devices, leak and/or overflow detection are classified in E03D 1/00.

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}
Definition statement

This place covers:

Flushing valves arranged in the water supply line; other devices for flushing with pressurized water

References
Limiting references

This place does not cover:

Self-closing valves not specially adapted to water closet flushing

F16K 21/04

Application-oriented references

Examples of places where the subject matter of this place is covered when specially adapted, used for a particular purpose, or incorporated in a larger system:

Pressure flushing valves within vacuum flushing systems

E03F 1/006

Special rules of classification

Flushing valves are generally as well classified in F16K.

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}
Definition statement

This place covers:

Devices and methods for transmission of actuating force to flushing valve; flushing devices working with greywater or other cleaning fluids

References
Limiting references

This place does not cover:

Construction of flushed water closets specially adapted to motor vehicles or trailers

B60R 15/00

Construction of flushed water closets specially adapted to railway carriages

B61D 35/00

Construction of flushed water closets specially adapted to ships

B63B 29/14

Construction of flushed water closets specially adapted to aircrafts

B64D 11/02

Handles, levers and knobs in general

G05D

Application-oriented references

Examples of places where the subject matter of this place is covered when specially adapted, used for a particular purpose, or incorporated in a larger system:

Collection and storage of greywater

E03B 1/04

Special rules of classification

Constructive adaptations of cisterns for using greywater are classified in E03D 5/003. Other aspects of greywater collection or use are classified in E03B 1/04.

Pusher plates, their mounting to an opening in a wall or the like and the elements for transmitting the actuating force to the flushing valve are classified in E03D 5/028, whereas constructional details of built-in cisterns, also frames for fixing pusher plates to wall openings, are classified in E03D 1/0125.

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

This place covers:

Mobile toilets with provisions for flushing.

References
Limiting references

This place does not cover:

Constructional details of buildings for public toilets

E04H 1/1216

Special rules of classification

This class covers the constructional details of single portable toilets, e.g. for outdoor use, trailers for providing toilet facilities as well as portable public toilet cabins as far as aspects of the toilet and its water connection are concerned. Aspects of construction of the housing itself are classified in E04H 1/1205.

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 ){; Devices for cleaning or disinfecting the toilet room or the toilet bowl; Devices for eliminating smells (cleaning, disinfecting or deodorising the seat A47K 13/30)}
Definition statement

This place covers:

Accessories enhancing use comfort or security of water closets or urinals, the accessories being specially adapted for flushed toilets: devices for cleaning or disinfecting the toilet room or the toilet bowl or for eliminating smells.

References
Limiting references

This place does not cover:

Hand tools for cleaning the toilet bowl

A47K 11/10

Seats or covers for all kinds of toilets

A47K 13/00

Cleaning, disinfecting or deodorising the seat

A47K 13/30

Toilet and urinal accessories without connection to water supply and waste pipe

A47K 17/00

Body supports, other than seats for closets

A47K 17/02

Baths and bidets for therapeutic use

A61H 33/00

Deodorizing of rooms in general

A61L 9/00

Chemical composition of deodorising agents

A61L 9/01

Baths and spraying heads for subaquatic intestinal cleaning

A61M 9/00

Chemical composition of disinfecting agents

C11D

Devices for preventing contamination of drinking water pipes

E03C 1/10

Application-oriented references

Examples of places where the subject matter of this place is covered when specially adapted, used for a particular purpose, or incorporated in a larger system:

Ventilated toilet seats

A47K 13/307

Special rules of classification

Disinfecting devices, whether only dispensing while flushing or disinfecting without functional relationship to a flushing action are classified according to their placement in the flushing system in subclass E03D 9/03 and parallel in E03D 2009/024, E03D 2009/026 and/or E03D 2009/028.

Dispensers mounted inside the cistern and dispensing into the overflow pipe are classified in E03D 9/037.

E03D 9/05 and E03D 9/052 are used indifferently and search should always take place in both groups.

Ventilation of toilets via the seat are classified in E03D 9/05 and in A47K 13/307.

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}
Definition statement

This place covers:

Constructional details of water closet bowls and discharge pipes; Mounting of bowls or other parts of a water closet to a support: e.g. noise-reducing means in the flushing system, 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.

References
Limiting references

This place does not cover:

Cisterns specially adapted to be combined with at least another sanitary device

E03D 1/003

Noise-reducing means in combination with flushing valves

E03D 9/14

Constructional details of flushed urinals

E03D 13/00

Constructional details of urinals without connection to water supply system

A47K 11/00

Pipe-joints or couplings in general

F16L

Informative references

Attention is drawn to the following places, which may be of interest for search:

Mounting frames for washbasins

E03C 1/32

Special rules of classification

Toilet bowls having features for better distribution of flushing water are classified in E03D 11/02 or lower and in E03D 2201/40.

Siphons forming part of the bowl are classified in E03D 11/02, siphons independent of the bowl are classified in E03D 11/18.

E03D 2201/20, E03D 2201/30, E03D 2201/40 are used to mark information of the respective feature to be used for a future search without this feature forming the invention.

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

This place covers:

Constructional features of urinals with connection to water supply and/or waste system; Accessories specially adapted to such urinals.

References
Limiting references

This place does not cover:

Urinals without flushing devices, i.e. without connection to water supply and waste system

A47K 11/00

Siphons for other sealants than water

E03C 1/281

Special rules of classification

Siphons with other sealants than water specially adapted for urinals are classified also in E03D 13/005 besides E03C 1/281.

Remote controlled flushing for urinals is classified in E03D 5/105.