Add to ORKGPatent for a "device for indicating at railroad crossings and other points, the approach or departure of trains within any given distance of such crossing or with relation to any point where persons might come into dangerous proximity to the train if they were left unadvised by some such signal as this." (Lines 19-26) Includes instructions and illustrations
Patent for "certain new and useful Improvements in Safety-Guards for Cars" (lines 5-6) intended to p...
Patent for new and useful Improvements in Automatic Railway-Switches, "particularly to automatic rai...
Patent for a new design of a guard-rail to make train wheels move more safely, with illustrations
Patent for signaling devices designed for use along railroads and grade crossings and meant to be au...
Patent for a new and improved railroad signal. This design, "[w]hen the wheels of a passing train co...
Patent for an improved signal actuating mechanisms for railways. When the train cars reach an operat...
Patent for a railroad crossing that "consists in certain devices organized in a manner to secure aut...
NOVELTY - The method involves recognizing danger spots through vehicles moving relative to them, whe...
Patent for an automatic repeating railroad-signal designed to be used with semaphore and other train...
Abstract-- A system for preventing trains fromderailing and colliding with hazards on railways is di...
Patent for an improved railway switch that "may be operated by a passing car or train, and one which...
Patent for a railroad-signal that "moves automatically with the semaphore in an improved, simple and...
Patent for a new and improved railroad switch. This design "has for its object to provide a simple, ...
Train-vehicle/train collisions at highway-rail grade crossings (crossings) continue to be a major is...
Patent for an improved railway signal meant to be used at crossings. It consists of a rotary signal ...
Patent for "certain new and useful Improvements in Safety-Guards for Cars" (lines 5-6) intended to p...
Patent for new and useful Improvements in Automatic Railway-Switches, "particularly to automatic rai...
Patent for a new design of a guard-rail to make train wheels move more safely, with illustrations
Patent for signaling devices designed for use along railroads and grade crossings and meant to be au...
Patent for a new and improved railroad signal. This design, "[w]hen the wheels of a passing train co...
Patent for an improved signal actuating mechanisms for railways. When the train cars reach an operat...
Patent for a railroad crossing that "consists in certain devices organized in a manner to secure aut...
NOVELTY - The method involves recognizing danger spots through vehicles moving relative to them, whe...
Patent for an automatic repeating railroad-signal designed to be used with semaphore and other train...
Abstract-- A system for preventing trains fromderailing and colliding with hazards on railways is di...
Patent for an improved railway switch that "may be operated by a passing car or train, and one which...
Patent for a railroad-signal that "moves automatically with the semaphore in an improved, simple and...
Patent for a new and improved railroad switch. This design "has for its object to provide a simple, ...
Train-vehicle/train collisions at highway-rail grade crossings (crossings) continue to be a major is...
Patent for an improved railway signal meant to be used at crossings. It consists of a rotary signal ...
Patent for "certain new and useful Improvements in Safety-Guards for Cars" (lines 5-6) intended to p...
Patent for new and useful Improvements in Automatic Railway-Switches, "particularly to automatic rai...
Patent for a new design of a guard-rail to make train wheels move more safely, with illustrations