ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,409,900, issued on Sept. 9, was assigned to Volvo Truck Corp. (Gothenburg, Sweden).
"Automatic pull tests for articulated vehicles" was invented by Anders Vikstrom (Gothenburg, Sweden), Leon Henderson (Harryda, Sweden) and Carl-Johan Rundqvist (Alingsas, Sweden).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for automatically verifying a coupling between a tractor and a first trailer unit, the method comprising engaging a wheel brake on the first trailer unit, generating a propulsion torque by the tractor, determining a first coupling force between the tractor and the first trailer unit, and verifying the coupling between the tractor and the fi...