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2000 BCE
Boiling Water
In India, (2000BCE circa) there is proof that they had invented Boiling Water by putting water into a pot and putting the pot into a fire to kill all of the germs. -
400 BCE
Hippocratic Sleeve
In Ancient Greece, an inventor named Hippocrates (400BCE circa) invented the Hippocratic Sleeve, by putting a cloth sleeve through which water was poured -
Sand Filter
In England Sir Francis Bacon (1627) invented a filter by digging a hole near the ocean using sand to get rid of the sea salt. -
Jet Stream Filter
In the U.S. scientists (1981) invented a fast filter that used strong jet streams of water to clean all of the water. -
Chemical Water Purification
In London, a man named John Snow (1998) experimented with water that contained an infection called cholera and a chemical called chlorine. The chlorine got rid of the infection and was used for water purification. -
The Alkaline Ionizing Water Filter
The Alkaline Ionizing Water filter (2012) is a product that people have in their homes. It uses electric powered layers to kill all of the bacteria.