Buchner funnels are named for their inventor, industrial chemist Ernst Büchner. Traditionally made of porcelain, they are also available in glass and plastic versions.
 
What Is a Buchner Funnel Used For?
Buchner funnels are used in the laboratory for vacuum-assisted liquid filtering. In organic chemistry, these funnels are used to collect recrystallized compounds because they help remove moisture from the final product.