ALEXANDRIA, Va., July 3 -- United States Patent no. 12,348,007, issued on July 1, was assigned to CATERPILLAR ENERGY SOLUTIONS GmbH (Mannheim, Germany).
"Spark plug" was invented by Friedrich Schaefer (Edenkoben, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention pertains to a spark plug comprising a housing, an insulator for electrically insulating a center electrode provided at least partly on the inside of the insulator. The housing of the spark plug is configured such that in a mounted state, an annular gap is formed between the housing and the insulator. The annular gap is filled with a heat-conducting element."
The patent was filed on June 30, 2022, under Application No. 18/5...