ALEXANDRIA, Va., April 15 -- United States Patent no. 12,604,370, issued on April 14, was assigned to CHONGQING LE-MARK CERAMIC TECHNOLOGY Co. LTD. (Chongqing, China).
"High voltage ceramic electric heating element" was invented by Peter Leigh (Chongqing, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A high-voltage ceramic electric heating element, comprising a body (9), the body (9) being hollow and having an open trailing portion, and a notch (7) being provided on the body (9) in the axial direction and extending through from left to right; a temperature control region (8) is provided at a position on an outer resistance layer (2) of the body (9), and the cross sectional area of the temperature cont...