ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,704,225, issued on Aug. 11.
"Hydrogen fueling safety indicator" was invented by William S. Lerner (Litchfield, Conn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "One or more indicators provide an indication of fueling status of a hydrogen powered vehicle. One or more sensors detect temperature and/or other characteristics of the fuel provided to the vehicle and provide an electrical signal to one or more of the indicators to permit an indication of fueling status. The indicators, which may be visual and/or audible, may be positioned on the fueling apparatus and on the vehicle in the vicinity of a fueling receptacle. The indicators may also be position...