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Collision avoidance system for track-guided vehicles

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

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Combination frequency loop coupling for railway track signalling

Railway switches and signals – Block-signal systems – Automatic
Patent

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Combination model train proximity detector and signal

Railway switches and signals – Signals – Light beam projecting
Reexamination Certificate

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Combination model train proximity detector and signal

Railway switches and signals – Miscellaneous – Signals and indicators
Reexamination Certificate

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Combination of running toy and track along which toy runs

Railway switches and signals – Electric actuation – Control circuits
Patent

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Communicating vital control signals

Railway switches and signals – Train dispatching – Central signal control
Patent

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Communication system for guideway operated vehicles

Railway switches and signals – Train dispatching – Train telegraphy or telephony
Patent

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Communication system for transmitting RF signals representative

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

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Communication systems employing power cables for conveyor carria

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

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Communications-based vehicle control system and method

Railway switches and signals – Block-signal systems – Automatic
Reexamination Certificate

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Complex switch turn-out arrangements using proximity selection

Railway switches and signals – Electric actuation – Control circuits
Patent

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Compound geometry rail switch

Railway switches and signals – Switches
Patent

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Computer for motion sensing device setup

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

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Concrete railroad tie turnout assembly

Railway switches and signals – Switches
Reexamination Certificate

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Connecting system for trolley rails for transport vehicle

Railway switches and signals – Switches – Conduit – third rail or trolley
Patent

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Consist manager for managing two or more locomotives of a...

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

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Contactless point detection system for railroad switch

Railway switches and signals – Electric actuation – Switch signals
Reexamination Certificate

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Continuous speed checking process for a powered vehicle and appa

Railway switches and signals – Block-signal systems – Automatic
Patent

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Control and method for optimizing the operation of two or...

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

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Control command system for railway vehicles

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

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