ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,397,383, issued on Aug. 26, was assigned to ZF Friedrichshafen AG (Friedrichshafen, Germany).
"Method for producing and processing a cylindrical hollow body made of aluminum or an aluminum alloy and for arranging it in a motor vehicle transmission, cylindrical hollow body and vehicle transmission" was invented by Martin Brehmer (Tettnang, Germany), Christian Ruhl (Friedrichshafen, Germany) and Helmut Boehm (St. Ingbert, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for producing and processing a cylindrical hollow body (20) made of aluminum or an aluminum alloy and for arranging cylindrical hollow body (20) in a motor vehicle transmiss...