ALEXANDRIA, Va., June 17 -- United States Patent no. 12,311,897, issued on May 27, was assigned to New York Air Brake LLC (Watertown, N.Y.).

"Consist swap mode with rollaway mitigation" was invented by Michael L. Parisian (Dexter, N.Y.) and Scott E. Margeson (Watertown, N.Y.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A computer controlled brake that can selectively operate the 13 control portion exhaust magnet valve to couple the 13 pipe to atmosphere and the 20 control portion lead/trail magnet valve to pressurize the 20 pipe pressure of a trail locomotive in response to "consist swap" mode enabled while switching ends of a locomotive consist. The computer controlled brake is also configured to operate ...