LandOfFree - US Patents - Listing for Railway switches and signals

Railway switches and signals – Roadway-defect protection – Electric

System and method for detecting a change or an obstruction...

Railway switches and signals – Roadway-defect protection – Electric

System and method for detecting rail break or vehicle

Railway switches and signals – Cab signal or train control – Motive-power control

System and method for managing two or more locomotives of a...

Railway switches and signals – Block-signal systems – Automatic

System and method for pacing a powered system traveling...

Railway switches and signals – Electric automatic highway signals – mine doors – and gates

System and method for train operation approaching grade...

Railway switches and signals – Electric automatic highway signals – mine doors – and gates – Normally open track circuit

System controlling apparatus which compares signals from sensors

Railway switches and signals – Cab signal or train control – Speed-control systems

System for controlling vehicle movement over a fixed guideway

Railway switches and signals – Roadway-defect protection – Electric

System for detecting broken rails and flat wheels in the presenc

Railway switches and signals – Cab signal or train control – Train defect

System for detecting flat portion of peripheral surface of vehic

Railway switches and signals – Train-position indication – Miniature model

System for detecting trains

Railway switches and signals – Cab signal or train control – Train defect

System for detection of defects in railroad car wheels

Railway switches and signals – Train dispatching – Central signal control

System for distributed automatic train supervision and control

Railway switches and signals – Cab signal or train control – Train mechanism

System for inductive transfer of power, communication and...

Railway switches and signals – Train dispatching – Central signal control

System for protected data transmission to track-bound vehicles

Railway switches and signals – Cab signal or train control – Magnetic rail

System for safely and automatically controlling the distance bet

Railway switches and signals – Train-position indication – Miniature model

System for selectively determining the location of a railway car

Railway switches and signals – Miscellaneous – Signals and indicators

System for sending commands to train cars based on location...

Railway switches and signals – Train dispatching – Central signal control

System for the control of the progression of several railway tra

Railway switches and signals – Train dispatching – Central signal control

System for the demand-dependent control of guided vehicles