Espresso Machines - Which One is Right For You? This is what the majority of people think of when they imagine an espresso machine. They are pumps-driven espresso machines that let the user control the grinding, tamping and extraction times. Luigi Bezzera and Desiderio Pavoni patented several improvements to this https://www-coffeee-uk98019.thezenweb.com/10-quick-tips-to-espresso-coffee-maker-67589216