Immersion blender

The immersion blender was invented in Switzerland by Roger Perrinjaquet [de], who patented the idea on March 6, 1950.

He called the new appliance "bamix", a portmanteau of the French "battre et mixer" (beat and mix).

[1] Larger immersion blenders for commercial use are sometimes nicknamed boat motors (popularized by Emeril Lagasse and Alton Brown).

An immersion blender comprises an electric motor driving rotating cutting blades at the end of a shaft which can be immersed in the food being blended, inside a housing which can be held by hand.

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