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Aug 17, 2024 · William Kelly (born Aug. 21, 1811, Pittsburgh, Pa., U.S.—died Feb. 11, 1888, Louisville, Ky.) was an American ironmaster who invented the pneumatic process of steelmaking, in which air is blown through molten pig iron to oxidize and remove unwanted impurities.
- The Editors of Encyclopaedia Britannica
William Kelly (August 21, 1811 – February 11, 1888), born in Pittsburgh, Pennsylvania, was an American inventor. He is credited with being one of the inventors of modern steel production, through the process of injecting air into molten iron, which he experimented with in the early 1850s.
May 22, 2012 · William Kelly (1811-1888), a 19th-century American inventor, is one of them. His invention of the pneumatic process of steelmaking, in which air is blown through molten pig iron to oxidize and remove unwanted impurities, revolutionized the industry.
William Kelly (1811-1888), American iron manufacturer, invented a method of making inexpensive steel that anticipated the more famous and successful Bessemer process. William Kelly was born in Pittsburgh, Pa., the son of a prosperous landowner.
William Kelly (1811–1888) was the American ironworks owner who is credited with first identifying a pneumatic process for iron refining. Kelly’s discovery was a critical development in the commercial production of iron.
William Kelly was first to develop the pneumatic conversion process for making steel. Yet he decided to keep it a secret, and credit for its discovery was given to Sir Henry Bessemer a few years later. William Kelly was born in Pittsburgh, Pennsylvania, on August 21, 1811.
May 16, 2019 · William Kelly invented the process in which air is blown through molten pig iron to oxidize and remove unwanted impurities to save fuel and produce the first inexpensive steel. Between 1851 and 1856, Kelly built a series of experimental furnaces in the woods behind his plant.
