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IT Patent: IT-330,256
Nuovi apparecchi a vapore per la confezione economica ed istantanea del caffè in bevanda
New steam machines for the economical and instant processing of a coffee beverage
Patentee:
Angelo Moriondo (exact or similar names) - Turin, Italy

USPTO Classifications:

Tool Categories:
household : coffee makers

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Granted: May 16, 1884

Patent Pictures:
Report data errors or omissions to steward Jeff Joslin
Wikipedia biography of Angelo Moriondo
Description:
The original patent was not numbered, but instead was referred to as 33/256, for Volume 33, No. 256.

Moriondo owned coffee bars in Turin and wanted to speed up the process of making a cup of coffee. It was well known at the time that if you ground the coffee finer in an attempt to reduce extraction time, the water had difficulty working its way through the fine particles. His new idea was to use steam pressure (1.5 bars, which is well below what a modern machine uses) to force hot water through finely ground coffee. Moriondo's idea was a very good one, and he had invented "espresso" coffee. Moriondo built machines for his coffee bars but they were handmade prototypes and his idea did not go anywhere beyond Turin. At least two of his machines have survived and are in the Mumac Museum (Binasco, Italy, outside Milan) and the Lavazza Museum (Turin), respectively.

An improvement to this patent was awarded a few months after this one, IT-340,381. See US patent 726,793 for the first espresso machine that was manufactured in quantity.

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