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 ability to control grinding, tamping, and extraction time. Luigi Bezzera and Desiderio Pavoni developed several improvements to this design https://www-coffeee-uk02119.pointblog.net/this-story-behind-espresso-coffee-maker-is-one-that-will-haunt-you-forever-71404053