US Patent Issued to Erdrich Umformtechnik on Sept. 8 for "Piston for a disk brake, disk brake having at least one piston, and series of pistons" (German Inventors)

ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,729,732, issued on Sept. 8, was assigned to Erdrich Umformtechnik GmbH (Renchen-Ulm, Germany).

"Piston for a disk brake, disk brake having at least one piston, and series of pistons" was invented by Thomas Hahn (Weissensee, Germany), Rico Bauersfeld (Kannawurf, Germany) and Uwe Zeibig (Achern, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A piston (1) for a disk brake is proposed, with the piston having an outer part (4) and an inner part (5) inserted into the outer part (4), wherein a cavity (8) is formed between the outer part (4) and the inner part (5), which cavity is closed in a fluid-tight manner by at least one fluid-tight connection (9,...