In the 45 categories of trademark classification, coffee machines belong to Category 7, mechanical equipment, motors, and transmissions.

The semi-automatic coffee machine, commonly known as the handlebar machine, is a traditional Italian coffee machine. This kind of machine grinds powder, presses powder, loads powder, brews powder, and manually removes residue according to manual operations. Such machines include small single-faucet household machines, as well as double-faucet and three-faucet large commercial machines. Newer machines are also equipped with electronic water volume control, which can accurately and automatically control the amount of water used for brewing coffee. Its main features are: the machine has a simple structure, reliable operation, and easy maintenance. It can produce high-quality Italian coffee according to the correct use method. The disadvantages of this machine are also a bit: the operator must undergo strict training to use this machine to make high-quality coffee, and excellent baristas can provide customized coffee.