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2014
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Invention
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Spring wing controller. A controller for a spring wing on a frog that utilizes a floating piston ... |
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2013
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Invention
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Dual independent control hydraulic switch machine. A hydraulically powered switch machine having ... |
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2006
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Invention
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Railway tie automated preplating process line. The invention is an apparatus for pre-plating rail... |
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2002
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Invention
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Tongue switch. A modular tongue switch assembly comprises a tongue pivotally connected to a slide... |
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Invention
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Replaceable point frog. A railway frog insert assembly comprises a casting defining the heel and ... |
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2001
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Invention
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Assist rod and basket assembly. A railroad switch assembly comprises a basket that directly actua... |
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Invention
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Railroad spring wing frog with hold-open and shock dampening elements. An improved railroad track... |
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Invention
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Railroad spring wing frog assembly. A railroad trackwork frog assembly is provided with a base pl... |
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Invention
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Lateral and vertical rail brace assembly. A rail brace assembly includes a brace member, a lockin... |
