LandOfFree - US Patents - Listing for Railway switches and signals

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

Remote control system for a locomotive

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

Remote control system for a locomotive

Reissue Patent

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

Remote control system for a locomotive

Reissue Patent

Railway switches and signals – Signals – Highway crossing

Remote monitoring of grade crossing warning equipment

Railway switches and signals – Electric actuation

Remote system for monitoring and controlling railroad...

Railway switches and signals – Crossings – frogs – and mates – Frogs

Replaceable point frog

Railway switches and signals – Block-signal systems – Automatic

Reset apparatus for railroad track circuits

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

Retarder control system for automatic railroad classification ya

Railway switches and signals – Cab signal or train control – Derailment

Reusable derailment detection and signaling device

Railway switches and signals – Crossings – frogs – and mates – Frogs

Reversible wing insert frog

Railway switches and signals – Switch-connected frogs

Reversing device for movable parts of a railway switch

Railway switches and signals – Crossings – frogs – and mates – Frogs

Reversing device for movable parts within the deflection area of

Railway switches and signals – Switch-connected frogs

Reversing device for swivelable rails or movable frogs within th

Railway switches and signals – Electric automatic highway signals – mine doors – and gates – Car-actuated controller

Road-rail shunt

Railway switches and signals – Signalling between occupants of a train

Robotic railroad accident prevention vehicle and associated syst

Railway switches and signals – Switches – Chairs and plates

Roller assembly for a switch tongue used with a stock rail

Railway switches and signals – Switches – Chairs and plates

Roller device for displacement of railroad switching rails

Railway switches and signals – Switches – Chairs and plates

Rolling device for a displaceable cross frog

Railway switches and signals – Train dispatching – Central signal control

Route control system for railroad interlockings