Middleby Corp. said June 13 it has acquired Filtration Automation Inc., a manufacturer of food processing oil-filtration equipment. Based in Mansfield, Texas, the company manufactures patented Micron-Pro brand high-capacity oil management equipment. The systems use a patented high-volume, low-pressure oil debris removal system used in frying poultry, fish, and snacks. Filtration Automation has annual revenues of approximately $10…