Espresso Machines - Which One is Right For You? The majority of people think of this when they think of an espresso machine. These are pump-driven espresso machines that let the user manage the grinding, tamping, and extraction time. Luigi Bezzera and Desiderio Pavoni invented several improvements to this design https://www.coffeee.uk/products/amzchef-20-bar-espresso-maker-with-milk-frother