coffee makers - Though coffee machines have changed drastically over the years they all basically do the exact same thing - namely try to make a fine appetizing hot beverages for us to consume.
The primary coffee machines utilised a simple procedure for placing the ground or roasted coffee beans in a pan of hot water, so the infusion could be activated covering it with a lid. The primary design of those machines was to trap the coffee grounds so that they got caught in the pot and weren't poured into the cup.