ALEXANDRIA, Va., April 21 -- United States Patent no. 12,607,258, issued on April 21, was assigned to ZF Friedrichshafen AG (Friedrichshafen, Germany).

"Method for adapting a pressure characteristic line of a friction-locking shifting element of a transmission, and controller" was invented by Philipp Kolbl (Friedrichshafen, Germany) and Dennis Schaer (Meckenbeuren, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for adapting a pressure characteristic curve of a friction-locking shift element of a transmission of a motor vehicle includes actuating the shift element using a rapid filling pressure for a first time, shorter than an adapted rapid filling time by a defined period of time. The metho...