ASME.org on X: "Ever used a ceiling fan to keep cool? Thank a mechanical engineer! Philip Diehl was an engineer and inventor who patented the electric motor fan in the United States
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Propeller in Autodesk Inventor | Fan Blade in Autodesk inventor | Autodesk inventor for beginners | GrabCAD Tutorials
Sapphire - Do you know? Philip Diehl invented electrically powered ceiling fan in 1882. The electric motor was also used in the first electrically powered Singer sewing machine. Thanks to Philip Diehl
![World Intellectual Property Organization (WIPO) on X: "It's peak summer time in the Northern Hemisphere! #TBT to a 1936 #patent for an “Electric Fan” to keep the heat down https://t.co/V6WKuTPrtS" / X World Intellectual Property Organization (WIPO) on X: "It's peak summer time in the Northern Hemisphere! #TBT to a 1936 #patent for an “Electric Fan” to keep the heat down https://t.co/V6WKuTPrtS" / X](https://pbs.twimg.com/media/DGTvgVpUAAMx95a.png:large)