Current compressed air dryer types include the following products: 1  Refrigerant type: Cycling. 2  Regenerative desiccant type: Heatless (no internal or external heaters) Heated (internal or external heaters) Heat of Compression. 3  Single Tower Deliquescent. 4  Membrane.
History. Canadian Marcellus Gilmore Edson (February 7, 1849 â March 6, 1940) of Montreal, Quebec was the first to patent peanut butter, in 1884. Peanut flour already existed. His cooled product had a consistency like that of butter, lard, or ointment according to his patent application.
John S. Pillsbury (1828 - 1901), a leader in flour milling, he helped found the family company in Minneapolis in 1872; three-time Republican governor of Minnesota (1876 - 1882). Wanda (1893-1946) and Anton Gag, Illustrators/Painters, Wanda Gag wrote Millions of Cats. Charles Schulz, Cartoonist, created Peanuts series.