CPC Definition - Subclass E03B
This place covers:
Methods and devices for collecting drinking water and conveying the water from a source to a tapping point.
This place covers:
Public and local water supply systems; greywater collecting and supply systems.
This place does not cover:
Prospecting or determining ground water flow |
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:
Constructive adaptations of WC flushing cisterns for greywater use |
Documents disclosing greywater systems are classified in all relevant subgroups of E03B 1/04 and E03B 2001/047.
This place covers:
Methods and installations for collecting and confining water from different sources.
This place does not cover:
Condensation of vapours in general | |
Constructional details of containers | |
Mobile devices for obtaining water and/or treating it | |
Barrages | |
Dewatering soil for consolidation | |
Rainwater deviating devices integrated in down-pipe | |
Drilling of wells not specially adapted for obtaining water | |
Dehumidification for air conditioning | |
Condensers for collecting and removing condensate |
This place covers:
Layout of permanent or temporary pumping installations specially adapted to provide drinking water.
Construction and control of pumps is classified in F04.
This place does not cover:
Construction, conception and control of pumps in general |
This place covers:
Arrangement of devices within pipe systems for conveying drinking water; layout of drinking water supply systems.
This place does not cover:
Treatment of water | |
Constructional details of valves | |
Constructional details of hydrant valves | |
Constructional details of component parts per se | |
Constructional details of pipes | |
Hot water supply systems | |
Constructional details of flow meters | |
Investigating fluid tightness of structures |
Documents describing the arrangement of devices within the mains and the house water supply system are classified in all relevant groups of E03B 7/07.
This place covers:
Methods for cleaning water supply systems; Devices for protecting pipes against frost damages.
Documents describing the heating of pipes against freezing are classified in E03B 7/14.
This place covers:
Fire hydrants; Outdoor taps; Other public drinking water tapping points.
This place does not cover:
Boundary boxes | |
Decorative fountains | |
Street caps or covers for manholes | |
Domestic water-drawing devices | |
Taps or valves per se | |
Hydrant housings | |
Preventing unauthorized access to valves |
Documents describing the protection of pipes against freezing are classified in E03B 7/10 resp. E03B 7/14.
Keys for underground hydrants are classified in E03B 9/08, keys for column hydrants are classified in E03B 9/04.
Draining devices for manually operated pumps are classified in E03B 9/14.
Devices against frost damage in hydrants are classified in E03B 9/14.
Devices for providing fresh water in public places (camping sites, market place) are classified in E03B 9/20.
This place covers:
Water storage tanks specially adapted for drinking water which are connected to the municipal or domestic water supply network.
This place does not cover:
Collecting and storage tanks for rain water | |
Constructional features of tanks in general | |
Storing bulk materials | |
Storing fluids in natural or artificial cavities devices | |
Assembling of bulk storage containers employing civil engineering techniques | |
Constructional tower aspects |