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.
You Make the Call: Can a Company Patent How It Makes a Peanut Butter and Jelly Sandwich? www.smuckers.com. www.albies.com. Bruce R. Barringer, Oklahoma State University. R. Duane Ireland, Texas A&M University. Introduction. Hereâs a question that a panel of judges recently decided: Can a company patent how it makes a peanut butter and jelly sandwich? More specifically, in this instance, judges considered whether J. M. Smuckerâs method of making Uncrustablesâwhich is a crustless peanut butter and jelly sandwich sealed inside soft bread â is worthy of legal protection against imitators.