He was the designer of the portraits of the three van Heil brothers that appeared in Het Gulden Cabinet, the book with artist biographies by Cornelis de Bie published in Antwerp in 1662.

[4] He also designed the Portrait of Breynaert (a man known for his excessive eating), which was engraved by Antony van der Does.

[6] Jan Baptist van Heil collaborated with his brother Daniel on the Infante Isabella in the gardens of the Coudenberg Palace (c. 1630, Museum of the City of Brussels).

Jan Baptist is believed to have been responsible for the staffage while his brother Daniel painted the landscape and the palace.

[7] Jan Baptist van Heil was invited to provide designs for the first French Theatre established in Brussels in the 1670s.