CPC Definition - Subclass E03D
This place covers:
Devices for receiving excrements and urine which are cleaned by water flushing.
This place 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 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 | |
Arrangement of water closets specially adapted to railway carriages | |
Flushed water closets specially adapted to ships | |
Flushed water closets specially adapted to aircrafts |
This place covers:
Constructional aspects and component parts of flushing cisterns;
Inlet and outlet valves specially adapted for flushing cisterns.
This place does not cover:
Toilets and urinals with pressurized flushing system | |
Combination of toilet bowls with wash basins, cleaning devices for chamber-pots or similar devices | |
Self-closing valves in general | |
Float actuation for valves in general | |
Measuring water level in general |
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 | |
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 | |
Combinations of wash basins, sinks, urinals, toilets or similar devices |
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.
This place covers:
Flushing valves arranged in the water supply line; other devices for flushing with pressurized water
This place does not cover:
Self-closing valves not specially adapted to water closet flushing |
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 |
Flushing valves are generally as well classified in F16K.
This place covers:
Devices and methods for transmission of actuating force to flushing valve; flushing devices working with greywater or other cleaning fluids
This place 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 place is covered when specially adapted, used for a particular purpose, or incorporated in a larger system:
Collection and storage of greywater |
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.
This place covers:
Mobile toilets with provisions for flushing.
This place does not cover:
Constructional details of buildings for public toilets |
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.
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.
This place does not cover:
Hand tools for cleaning the toilet bowl | |
Seats or covers for all kinds of toilets | |
Cleaning, disinfecting or deodorising the seat | |
Toilet and urinal accessories without connection to water supply and waste pipe | |
Body supports, other than seats for closets | |
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 place is covered when specially adapted, used for a particular purpose, or incorporated in a larger system:
Ventilated toilet seats |
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.
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.
This place does not cover:
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 | |
Constructional details of urinals without connection to water supply system | |
Pipe-joints or couplings in general |
Attention is drawn to the following places, which may be of interest for search:
Mounting frames for washbasins |
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.
This place covers:
Constructional features of urinals with connection to water supply and/or waste system; Accessories specially adapted to such urinals.
This place does not cover:
Urinals without flushing devices, i.e. without connection to water supply and waste system | |
Siphons for other sealants than water |
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.