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American inventor Jacob Perkins made the first working vapor-compression refrigerator system. -
American inventor John Gorrie invented an air-cooling machine originally to cure Yellow Fever. -
Carl von Linde patented the process on liquefying gas and his invention became a basic refrigerator part. -
Fred W. Wolf Jr. was the inventor of the first electrical refrigerator. -
Swedish inventors Baltzar von Platen and Carl Munters came up with an absorption fridge, or a fridge that use heat. -
The "Monitor-Top" fridge was the first to have worldwide use. It has a compressor that circulated vapor from gas to liquid then back. -
Fridges with vapor compression systems have had toxic gas leaks which cause fatal accidents.
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After WWII, there has been a mass production for modern refrigerators with bottom-cooling systems. -
People have started to focus on energy-efficient refrigerators and getting rid of chlorofluorocarbon to protect the ozone layer.
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Companies are making fridges with internet devices. LG made the first connected fridge and Samsung release models with Wi-Fi and cameras.