Carburetor
The first carburetor was invented by Samuel Morey in 1826. The first person to patent a carburetor for use in a petroleum engine was Siegfried Marcus with his 6 July 1872 patent for a device which mixes fuel with air.
Johann August Natterer
In the mid-1840s, using a compressed air chamber pump invented by J. Schembor (1777-1851), he was the first scientist to produce liquid carbonic acid in significant quantities. His name is associated with a sealed and constant volume vessel known as a "Natterer's tube".