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Rail system having wheel-engaged hydraulic piston-and-cylinder a

Railway switches and signals – Vehicle-energy actuation – Fluid transmission
Patent

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Railroad crossing traffic warning system apparatus and method th

Railway switches and signals – Vehicle-energy actuation – Signals and gates – automatic
Patent

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Railroad maintenance-of-way personnel warning system...

Railway switches and signals – Vehicle-energy actuation – Signals and gates – automatic
Reexamination Certificate

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Railroad safety system

Railway switches and signals – Vehicle-energy actuation – Signals and gates – automatic
Reexamination Certificate

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Railroad spring frog

Railway switches and signals – Vehicle-energy actuation – Continuous-rail frogs
Patent

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Railroad spring frog assembly

Railway switches and signals – Vehicle-energy actuation – Continuous-rail frogs
Patent

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Railroad spring wing frog assembly

Railway switches and signals – Vehicle-energy actuation – Continuous-rail frogs
Reexamination Certificate

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Railway wheel detector

Railway switches and signals – Vehicle-energy actuation – Train trips
Patent

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