In 1822 he completed a commemorative marble bust of Claude de Forbin (1656–1733), which was exhibited in the Paris Salon of 1822 and was purchased for Versailles.
He exhibited a Young Hunter Wounded by a Snake (illustration) at the Paris Salon of 1827, which was purchased for the Musée du Louvre, and partly on the strength of it, was invited to produce a standing sculpture of Louis XIV, to be cast in bronze and set up in the place Saint-Sauveur, Caen.
It was formally inaugurated 24 May 1828, with such success that Petitot and the bronze-founder, Crosatier of Paris, were each named Chevalier de la Légion d'honneur.
The monument was intended to replace the stone sculpture of Louis XIV, by Jean Postel, sculptor of Lyon, which was commissioned in 1684 and erected the following year, but which had been taken down and demolished during the Revolution.
For the tomb in the same plot of Cartellier's daughter, Petitot's sister-in-law, Charlotte Cartellier-Heim, he produced a bas-relief of a young couple watering a rosebush.