Espresso Machines - Which One is Right For You? Most people envision this when they think of an espresso machine. These are machines driven by pumps which allow the user to control the grinding, tamping, and extraction times. Luigi Bezzera, Desiderio Pavoni and others developed patent-pending improvements to the design. https://www.coffeee.uk/products/de-longhi-stilosa-ec-230-bk-espresso-machine-black