A windpump is a type of wind energy conversion system which is used for pumping water at low depth (eg from a well for pumping potable water, or from submerged land for draining landareas). History On US farms, particularly in the Midwest, windpumps were used to pump water from farm wells for cattle. The self-regulating farm wind pump was invented by Daniel Halladay in 1854. Eventually steel blades and steel towers replaced wooden construction, and at their peak in 1930, an estimated 600,000 un… (More on Windpump)