6
Metallic level railroad crossing barriers; lighting signaling system comprised of trackside railroad signals in the nature of non-luminous and non-mechanical metal signs
9
Light signaling system comprised of trackside railroad signals in the nature of emergency warning lights, neon signs, luminous signs, dichroic lenses, color-light signals, light emitting diodes; system for detection of trains on the track comprised of track circuits, axel counters, wheel detection sensors, video monitors, electronic switching relays; system for detection of passing trains comprised of track circuits, axel counters, wheel passage detection sensors, computer monitors, global positioning software, timing sensors; switching operating units, namely, electronic motor switches for switching off motors and high-frequency switching power supplies; locking operating units, namely, sensors for closing and opening doors; directional compasses
12
Light signaling system comprised of directional signals for trains; urban transport vehicles, namely, aboveground and underground railroad locomotives and railroad passenger cars
19
Light signaling system comprised of trackside railroad signals in the nature of non-luminous and non-mechanical non-metal signs; concrete, plastic and wood level railroad crossing barriers