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WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
Definition statement
This subclass covers:

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

References relevant to classification in this subclass
This subclass does not cover:

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

Seats or covers for all kinds of toilets

Portable urination aids for medical use

Disintegrating of garbage in general

Examples of places where the subject matter of this subclass 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

Arrangement of water closets specially adapted to railway carriages

Flushed water closets specially adapted to ships

Flushed water closets specially adapted to aircrafts

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

Constructional aspects and component parts of flushing cisterns;

Inlet and outlet valves specially adapted for flushing cisterns.

References relevant to classification in this group
This group does not cover:

Toilets and urinals with pressurized flushing system

Float actuation for valves in general

Self-closing valves in general

Measuring water level in general

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

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

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

Arrangement of water closets with cisterns specially adapted to railway carriages

Water closets with cisterns specially adapted to ships

Water closets with cisterns specially adapted to aircrafts

Portable toilets with water reservoir for flushing

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

Special rules of classification within this group

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 to 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 group covers:

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

References relevant to classification in this group
This group does not cover:

Self-closing valves not specially adapted to water closet flushing

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

Pressure flushing valves within vacuum flushing systems

Special rules of classification within this group

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 group covers:

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

References relevant to classification in this group
This group does not cover:

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

Construction of flushed water closets specially adapted to railway carriages

Construction of flushed water closets specially adapted to ships

Construction of flushed water closets specially adapted to aircrafts

Handles, levers and knobs in general

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

Collection and storage of greywater

Special rules of classification within this group

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 group covers:

Mobile toilets with provisions for flushing.

References relevant to classification in this group
This group does not cover:

Constructional details of buildings for public toilets

Special rules of classification within this group

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 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)}
Definition statement
This group 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 relevant to classification in this group
This group does not cover:

Hand tools for cleaning the toilet bowl

Seats or covers for all kinds of toilets

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

Body supports, other than seats for closets

Cleaning, disinfecting or deodorising the seat

Baths and bidets for therapeutic use

Deodorizing of rooms in general

Chemical composition of deodorising agents

Baths and spraying heads for subaquatic intestinal cleaning

Chemical composition of disinfecting agents

Devices for preventing contamination of drinking water pipes

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

Ventilated toilet seats

Special rules of classification within this group

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 group 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 relevant to classification in this group
This group does not cover:

Constructional details of urinals without connection to water supply system

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

Noise-reducing means in combination with flushing valves

Constructional details of flushed urinals

Pipe-joints or couplings in general

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

Mounting frames for washbasins

Special rules of classification within this group

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 group covers:

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

References relevant to classification in this group
This group does not cover:

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

Siphons for other sealants than water

Special rules of classification within this group

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.

This page is owned by Office of Patent Classification.
Last Modified: 10/11/2013