19th century inventions that are still used at home
Patent applications representing technological advancements at home.
Toothbrush
H. N. Wadsworth was granted a patent for a “tooth-brush” in 1857.Liquid soap
William Sheppard was granted a patent for “improved liquid soap” in 1865.
Refrigerator
Carl von Linde was granted a patent for a “refrigerating machine” in 1878. The image on the right is a Linde refrigeration machine from 1900. Photos: Linde Group.
Electric lamp
Thomas Alva Edison was granted a patent for an “electric lamp” in 1880.
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