ALEXANDRIA, Va., April 21 -- United States Patent no. 12,604,931, issued on April 21, was assigned to Nicoventures Trading Ltd. (Great Britain).

"Heating device for apparatus for heating smokable material and method of manufacture" was invented by Joe Robinson (London), Neil Litten (London) and Harpal Singh (London).

According to the abstract* released by the U.S. Patent & Trademark Office: "Described herein is a heating device for use with apparatus for heating smokable material to volatilize at least one component of the smokable material. The heating device includes a heating element, and smokable material bonded to the heating element. The heating element includes a layer of electrically-conductive material, a first layer of polyimide...