ALEXANDRIA, Va., March 17 -- United States Patent no. 12,576,177, issued on March 17, was assigned to CTR, LDA (Samora Correia, Portugal).
"Device and method for evaporating volatile substances, especially perfumes and/or insecticides, and heating body" was invented by David Dycher (Isle of Man, Great Britain) and Pedro Queiroz Vieira (Belas, Portugal).
According to the abstract* released by the U.S. Patent & Trademark Office: "Volatile substances are evaporated from a substance container via wick inserted into the container. A wick end region protrudes from the container. A heating device has a heating body with a wick recess, forming an air flow channel with an inlet and outlet opening. The wick end region can be received under air flow...