CPC Definition - Subclass E03F
This place covers:
Methods and installations for conveying waste water and precipitation water towards treatment installations and/or natural flowing bodies.
Methods and installations for the treatment of such used water which are not part of the conveying system are classified in C02F.
This place does not cover:
Methods and installations for treatment of sewage |
This place covers:
Methods and devices for conveying used water pneumatically; disposing sewage into the landscape.
This place does not cover:
Constructional details of cesspools | |
Underground watering of plants | |
Methods and installations for treatment of water | |
Drainage of water |
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 |
Attention is drawn to the following places, which may be of interest for search:
Conveying materials through pipes by aire | |
Constructional details of down-pipes |
Service stations for fresh and used water, e.g. for camping sites, are classified in E03F 1/00 and in E02B 9/02.
Means for distributing outflowing water from roof down-pipes onto the ground are classified in E03F 1/00. Means integrated into the downpipe are classified in E04D 13/08.
This place covers:
Lay-out and constructional details of pipe systems specially adapted to sewage.
Arrangements of cables within sewer pipes, e.g. for electricity or telecommunication.
This place covers:
Component parts of sewer systems other than conveying pipes.
This place does not cover:
Inspection of sewers | |
Mechanical filtering in general | |
Large underground containers | |
Details of pavings and gutters | |
Making sewers in situ | |
Manhole shafts and covers not specially adapted to sewage | |
Digging of trenches | |
Methods of laying pipes underground | |
Devices for covering leaks in pipes | |
Control of flow in general , e.g. throttles |
Attention is drawn to the following places, which may be of interest for search:
Connection of manhole covers to shaft |
Elongated water inlet structures with gratings are classified in E03F 3/046 and in E03F 5/06, if details of both parts of the structure are disclosed.
This place covers:
Sewer channels or stormwater holding tanks with means for allowing surplus water to be discharged in a controlled way.
This place does not cover:
Devices for separating unwanted substances from flowing sewage which are integrated in the sewer system |
This place covers:
Devices for ensuring functioning of a sewer system.
This place covers:
Devices enabling inspection of interior of sewer canals, whether or not manned and whether or not moved through the canal.
This place covers:
Devices for cleaning the interior of a sewer canal in order to improve flow through the canal.
This place does not cover:
Devices which can be used for sewer canals and domestic drain pipes are classified here.
This place covers:
Constructional details of cesspools and other sewage holding tanks.
Methods and devices for treatment of water in a cesspool: C02F.