Hayward Augustus Harvey (January 17, 1824 – August 28, 1893) was an American inventor and industrialist.
Hayward Harvey is best known for inventing the Harvey process for case hardening the front surface of steel armor plate. The resulting Harvey armor was widely used on armoured ships in the 1890s. He was born in Jamestown, New York, U.S.A.. He invented the Harvey process while living in Orange, New Jersey, and died there on August 28, 1893.
- Further reading
- Memoir of Hayward Augustus Harvey By Thomas William Harvey. T.W. Harvey, 1900.
- U.S. Patent 506,689, Manufacture of Steel Rails for Railroads
- U.S. Patent 498,390, Improvement in Compositions for Super-carburizing Steel
- U.S. Patent 460,262, Improvements in Decrementally-Hardened Armor-Plates
- U.S. Patent 460,261, Gun
- U.S. Patent 329,738, Spring-washer