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Number of river and lake water purification applications of international patent families (IPFs) worldwide from 1992 to 2021

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Source

Release date

July 2024

Region

Worldwide

Survey time period

1992 to 2021

Citation formats

Number of water purification patents worldwide 1992-2021

Published by ÌÇÐÄÆƽâ°æ Research Department, Mar 17, 2025

After years of continuous growth, the number of IPFs regarding water purification from rivers and lakes decreased in the period 2017 through 2021. In those five years, *** applications were registered, a reduction from the *** IPFs reported in the previous lustrum.

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