Espresso Machines - Which One is Right For You? The majority of people think of this when they think of an espresso machine. They are pump-driven machines that give the user the control over grinding, tamping, and extraction time. Luigi Bezzera and Desiderio Pavoni patented several improvements to this design https://wwwcoffeeeuk83428.total-blog.com/why-no-one-cares-about-espresso-machine-sale-55023719