ALEXANDRIA, Va., Feb. 26 -- United States Patent no. 12,237,650, issued on Feb. 25, was assigned to ROBERT BOSCH GMBH (Stuttgart, Germany).

"Spark plug resistance element and spark plug" was invented by Hubertus Braun (Renningen, Germany), Benedikt Reinsch (Riederich, Germany), Carsten Kuenzel (Tamm, Germany), Corinna Vonau (Stuttgart, Germany), Helene Kasjanow (Stuttgart, Germany) and Stefan Nufer (Stuttgart, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A spark plug resistance element that includes at least one inorganic amorphous oxide and at least one first inorganic crystalline oxide having a relative dielectric permittivity of at most 15. A spark plug that includes at least one spark plug resi...