Espresso Machines - Which One is Right For You? Most people imagine this when they think of an espresso machine. They are pumps-driven machines that allow the user to have the control over grinding, tamping and extraction time. Luigi Bezzera, Desiderio Pavoni and others developed patent-pending improvements to the design. https://www.coffeee.uk/products/gaggia-manual-espresso-cappuccino-machine-with-magnet-valve