About Onésiphore Pecqueur
Lived 1792 – 1852 (aged 59). Onésiphore Pecqueur was a French engineer.
Onésiphore Pecqueur (1792–1852) was a French mechanical engineer who patented the modern-day differential gear, found on the axles that connect to the powertrain of all automobiles.
Early life He was born in the Pas-de-Calais.
Career He worked as a watchmaker. In 1823 he won the National Exhibition Gold Medal for inventing a watch that showed sidereal and mean time.
He invented the differential in 1827 (known in French as the différentiel mécanique). He invented it whilst at the Conservatoire des Arts et Métiers. It was derived from his work as a watchmaker, whereby cogs move at different rates. The differential allowed the adjustment of rotational ratios of two wheels turning on the same axle.
Personal life He died in Paris in 1852.
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Important facts
Contemporaries
People whose lives overlapped Onésiphore Pecqueur's
Frequently asked questions
Who was Onésiphore Pecqueur?
French engineer
When was Onésiphore Pecqueur born?
Onésiphore Pecqueur was born on 3 April 1792 in Sibiville.
When did Onésiphore Pecqueur die?
Onésiphore Pecqueur died on 10 March 1852 in Paris.
What was Onésiphore Pecqueur's occupation?
Onésiphore Pecqueur was an engineer.
What nationality was Onésiphore Pecqueur?
Onésiphore Pecqueur was French.
Sources & further reading
· Wikipedia: Onésiphore Pecqueur
· DBpedia: Onésiphore Pecqueur
Cite this page
APA: Biography.guide. (2026). Onésiphore Pecqueur. https://biography.guide/onesiphore-pecqueur/
MLA: "Onésiphore Pecqueur." Biography.guide, https://biography.guide/onesiphore-pecqueur/.
Chicago: "Onésiphore Pecqueur." Biography.guide. https://biography.guide/onesiphore-pecqueur/.
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