of his 150 patents: February 6, 1855 – Elliptical or Rotary pump (US12350 A) July 3, 1855 – Method of regulating issue-apertures and of suspending turbine wheels (US13172 A) July 14, 1863 – Improvement in pumps (US39259 A) November 15, 1864 – Improvement in pumps (US45040 A) January 31, 1865 – Hot air furnace (US46107 A) September 14, 1869 - Improvement in hydrants (US94749 A) November 5, 1872 – Improvement in systems of water-supply for cities (USRE5133 E) October 5, 1880 – Steam Heating Radiator (US232821 A) References Sources External links Holly's patent fire hydrant The Silsby engine – rotary steam engines Jon Szpakowski's Hydrant Collection / Patent 1869 Holly Mfg. Co. Hydrant 1820 births 1894 deaths 19th-century American inventors People from Auburn, New York History of firefighting People from Seneca Falls, New York