A french press, also known as a cafetière, cafetière à piston, caffettiera a stantuffo, press pot, coffee press, or coffee plunger, is a coffee brewing device, although it can also be used for other tasks. in 1923 ugo paolini, an italian, filed patent documents relating to a tomato juice separator and he developed the idea of making a coffee pot with a press action and a filter. he assigned his 1928 patent to italian designer attilio calimani and giulio moneta who filed it in 1929.
Source: Wikipedia