Espresso Machines - Which One is Right For You? This is what the majority of people imagine when they think of an espresso machine. They are pumps-driven espresso machines that allow the user to manage the grinding, tamping and extraction time. Luigi Bezzera and Desiderio Pavoni invented several improvements to https://www.coffeee.uk/products/black-melitta-purista-espresso-machine-series-300