US Patent Issued to ROBERT BOSCH on June 30 for "Spark plug with ground electrode in a recess on housing end side" (German Inventors)

ALEXANDRIA, Va., July 16 -- United States Patent no. 12,671,233, issued on June 30, was assigned to ROBERT BOSCH GMBH (Stuttgart, Germany).

"Spark plug with ground electrode in a recess on housing end side" was invented by Sergej Subkow (Kornwestheim, Germany) and Ulrich Stockmeier (Bad Wildbad, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A spark plug with a longitudinal axis. The spark plug includes a housing with a hole along the spark plug longitudinal axis and a combustion-chamber-side end side, wherein the housing has a recess on the end side thereof; an insulator arranged inside the housing; a central electrode arranged inside the insulator; and a ground electrode arranged in one of the rece...