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