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in subjects: "railroads"  
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Wrecking-Frog.

Description: Patent for "an improved frog for use in placing derailed cars or locomotives upon the rails, exceedingly simple and durable in construction, and formed substantially in one piece - that is, not in sections - and having improved means to lock the frog to the rail." (Lines 17-22) Includes instructions and illustrations.
Date: March 29, 1892
Creator: Wilmore, William Henry
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Rail-Joint.

Description: Patent for improvements in railway-rail joints, including "a means for adjusting the rails whereby a tight joint may be produced at any season of the year when the expansion and contraction of the metal with the varying temperatures cause the joints to become loose and the track uneven;" (lines 16-21) "suitable rail-carrying bed-pieces, made of metal and grooved to receive the rail;" (lines 23-24) and "brackets on its under side which are adapted to brace against the railway-ties, and suitable … more
Date: September 29, 1896
Creator: Krusinski, Ferdinand
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Locomotive Brake-Shoe

Description: Patent for a locomotive brake shoe that is "capable of being economically manufactured in a small foundry without the installation of special and elaborate machinery, whereby they may be produced in various repair shops local to different railroad centers" (lines 15-20), including illustrations.
Date: May 29, 1917
Creator: Christensen, Jacob V. C. T.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Car-brake

Description: Patent for a car-brake that improves the ability of a train to stop its forward motion.
Date: December 29, 1900
Creator: Wise, Harry
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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