
Family tree of François COIGNET
Industrialist, Businessman
Born Jean François COIGNET
French industrialist, a pioneer in the development of structural prefabricated and reinforced concrete
Born on February 10, 1814 in Lyon, France , France (73 years)
Deceased on 1888 in Saint-Denis, France
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In 1851 Coignet decided to settle near Paris, in the Saint-Denis neighborhood. There in 1852 he opened a second plant where he obtained a patent for cement clinker. Coignet then built a cement factory there using exposed lime walls. He followed the pisé de terre system, rammed earth method of construction, in building the plant. This was his first time he worked with this method in concrete. Later he took out a patent in England entitled "Emploi de Beton" which gave details of his construction techniques.
... Coignet, along with his brothers Louis (b. 1819) and Stephane (b. 1820), took over the family business of a chemical plant in Lyon in 1846. In 1847 he built some concrete houses using poured cement that was not reinforced with any iron.
In 1851 Coignet decided to settle near Paris, in the Saint-Denis neighborhood. There in 1852 he opened a second plant where he obtained a patent for cement clinker. Coignet then built a cement factory there using exposed lime walls. He followed the pisé de terre system, rammed earth method of construction, in building the plant. This was his first time he worked with this method in concrete. Later he took out a patent in England entitled "Emploi de Beton" which gave details of his construction techniques.
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Geographical origins
The map below shows the places where the ancestors of the famous person lived.