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The encyclopedia · Product & Design · Product decision · 1908-1910

Melitta Bentz's 1908 paper filter gave coffee a clean cup without grounds

A Dresden housewife punched holes in a brass pot, lined it with blotting paper, and patented the drip filter that founded a company and changed home brewing.

Melitta

the move

In 1908, making good coffee at home meant boiling grounds or fighting with percolators, and drinkers often ended up with bitter grounds in the cup. Melitta Bentz, a housewife in Dresden, wanted 'a better way to make a cleaner cup of coffee', and experimented until she found one: a brass pot with holes punched in it, lined with blotting paper from her son's homework.

The paper trapped the coffee fines while letting the brewed liquid through, and the idea was so simple it worked immediately. Bentz registered her coffee filter with the Imperial Patent Office in 1908, then launched a company from her apartment with just 50 filter receptacles and 100 cartons of paper filters, which she and her husband sold to local shops.

Melitta the company built the category: a first round pour-over filter system arrived in 1910, the red-and-green packaging that still identifies the brand launched in 1922, and her son later patented the paper filters themselves. Over a century later, the paper drip filter remains the template for pour-over and drip coffee worldwide.

why it works

  • Blotting paper was cheap, available and disposable — nothing to clean
  • A pierced brass cup plus paper made a filter anyone could rebuild at home
  • Patenting the combination turned a kitchen trick into an owned product
  • Refining the pour-over shape made results consistent enough to repeat
the payoffFilter the brew through paper, not clothclever

what transfers

A problem everyone tolerates — grounds in the cup — is a product: find the cheapest material that removes the annoyance, patent the combination, and the category can start from a kitchen table.

what came after

Melitta grew from a two-person household business into a global coffee-and-filter company whose red-and-green packaging is still used today. The paper drip filter became the basis of modern pour-over and automatic drip brewing, and the original brass-pot-and-blotting-paper story remains the company's founding myth.

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