Espresso Machines - Which One is Right For You? It is what most people imagine when they think of an espresso machine. These are pump-driven espresso machines which allow the user to manage the grinding, tamping and extraction time. Luigi Bezzera, Desiderio Pavoni and others patented improvements to the design. https://wwwcoffeeeuk19278.blogerus.com/52487923/espresso-machine-sale-explained-in-fewer-than-140-characters