Espresso Machines - Which One is Right For You? Many people think of this when they think of an espresso machine. They are pump-driven machines that allow the user to have the ability to control grinding, tamping and extraction time. Luigi Bezzera, Desiderio Pavoni and others have patented improvements to https://www.coffeee.uk/products/salter-espresso-pro-maker-15-bar-pump-black