E03B3/32 - CPC Classification Index

ClassID:

129166 ⎘

E03B3/32 - CPC Classification

Classification description:

Methods or installations for obtaining or collecting drinking water or tap water with artificial enrichment, e.g. by adding water from a pond or a river

Sub-classes:

E03B3/34 » of underground water 14
E03B3/36 » of surface water 8

Recent Application in this class:

20230022498

2023-01-26

Cup lid and self-producing water cup

20100243547

2010-09-30

Reservoir water filtration system

20100140193

2010-06-10

HYDROTRANSISTORS AND INTEGRATED HYDROLOGIC CIRCUITS

20080047326

2008-02-28

Method and system for storing liquid in a geological formation