ALEXANDRIA, Va., July 30 -- United States Patent no. 12,372,129, issued on July 29, was assigned to Oerlikon Surface Solutions AG, Pfaffikon (Pfaffikon, Switzerland).

"Structured brake disk" was invented by Alexander Barth (Dresden, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A brake disk with a surface which is structured in order to increase the adhesion of a coating on the surface, wherein the structuring of the surface comprises at least one recess, the depth of which decreases as the depth of the recess increases wherein the at least one recess has the shape of a spiral structure."

The patent was filed on Feb. 17, 2020, under Application No. 17/433,539.

*For further information, including i...