Espresso Machines - Which One is Right For You? This is what most people think of when they imagine an espresso machine. They are pumps-driven espresso machines which allow the user to control the grinding, tamping and extraction times. Luigi Bezzera, Desiderio Pavoni and others patented improvements to the design. https://www-coffeee-uk76523.p2blogs.com/29141847/why-we-why-we-espresso-machine-sale-and-you-should-also