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Composition For Roofing And Paving.

Description: Patent for a process "to produce a compound which is strong, tenacious, and pliable, which will not be affected by climatic changes, and which will resist the corrosive action of acids and alkalies; and to this end my invention consists in a compound composed of asphaltum, pine-tar, and oxide of iron, as will more fully hereinafter appear.” (Lines 8-15) Includes instructions.
Date: May 9, 1882
Creator: Lee, Archibald K.
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Partner: UNT Libraries Government Documents Department

Inlet-Grate

Description: Patent for an improved inlet grate, which has a supporting frame. This inlet grate will not be displaced by traffic or other disturbances.
Date: November 30, 1920
Creator: Fairtrace, George D.
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Partner: UNT Libraries Government Documents Department

Improvement in Road-Scrapers.

Description: Patent for a new improvement in the construction of road-scrapers to make them more facilitating, faster, and with less animal power required.
Date: January 27, 1874
Creator: Tate, Thomas M.
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Partner: UNT Libraries Government Documents Department

Track-Level.

Description: Patent for a track level, which is used to measure the lay of the land that a road is being built through.
Date: August 25, 1908
Creator: Young, Benjamin F.
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Partner: UNT Libraries Government Documents Department

Mold.

Description: Patent for a form of mold that is constructed to expand and contract quickly to form sidewalks and curbs.
Date: July 15, 1913
Creator: Forbis, Frank H.
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Partner: UNT Libraries Government Documents Department

Process of Hardening Bitminuous Substances.

Description: Patent for "a process for hardening or partly solidifying to any required degree substances such as liquid or viscid bitumens, tars, or asphaltums, either natural or artificial" (lines 8-12). It hardens bitumens without evaporating oils and leaves them solid when cooled.
Date: August 11, 1896
Creator: Dumble, Edwin Theodore
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Partner: UNT Libraries Government Documents Department

Switch-Stand

Description: Patent for switch stands. The improvement is to provide a mechanism in connection with stands of the character specified for moving the points of a switch to deflect trains from the main track on to the switch, wherein locking mechanism is provided for locking the switch points in safety or main line position and connected to the operating mechanism for moving the points in such manner that when operating arm for the switch is moved into the inoperative position after returning the points to th… more
Date: September 21, 1915
Creator: Philips, Smith F.
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Partner: UNT Libraries Government Documents Department

Smoothing-Drag.

Description: Patent for useful improvements to smoothing-drags which are "designed for the purpose of smoothing roads".
Date: May 29, 1917
Creator: Parker, William H.
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Partner: UNT Libraries Government Documents Department

Guard-Rail.

Description: Patent for guard rails for use in connection with frogs or switches, including illustrations.
Date: May 8, 1900
Creator: Murphy, John
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Partner: UNT Libraries Government Documents Department

Street-Sprinkling Appratus.

Description: Patent for an inexpensive street-sprinkling apparatus. It can be steam, electric, cable, or horse powered, and can sprinkle a wide or narrow street. "The invention consists in a vehicle preferably running upon a railway-track and provided with a water-tank and with independent sprinklers or final-distributors or sets of distributors, the one located at an end or the ends of the vehicle and discharging by gravity, and the other at the sides thereof, toward an end or the ends, and discharging und… more
Date: November 5, 1895
Creator: Campbell, Louis W.
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Partner: UNT Libraries Government Documents Department

Street-Pavement

Description: Patent for a street paving material made from limestone, limestone dust, and crude oil with layers of crushed rock in between which is waterproof and durable.
Date: June 9, 1908
Creator: Walsh, John M.
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Partner: UNT Libraries Government Documents Department

Street or Station Indicator.

Description: Patent for "indicators for displaying to passengers in a car the names of approaching streets or stations" (lines 9-11) including mechanical specifications and illustrations.
Date: January 14, 1908
Creator: Higgins, Polk Maderson & Lee Dolphia Harmes
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Partner: UNT Libraries Government Documents Department

Semaphore

Description: Patent for a semaphore in the form of a rotatable tubular post for the purpose of signaling traffic conditions at an intersection. The semaphore communicates signals in the form of red or green plates, red or green colored lamplight, and pneumatic whistles, which are triggered by vehicles passing over platforms installed on the road surface near the intersection by means of underground tubes containing chains and pulleys. The actuation of the semaphore is detailed in "parent" application, seria… more
Date: October 31, 1922
Creator: Durán, Arturo
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Street-Sweeping Machine.

Description: Patent for street sweeping machine that improves the collection and dumping of material and includes a scraping device to loosen material stuck to the roadway.
Date: May 8, 1906
Creator: Clark, James P.
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Partner: UNT Libraries Government Documents Department

Slide-Scraper

Description: Patent for a slide scraper. The objective of this invention is to create a more efficient slide scraper that allows the attention of the operator to remain on the draft horse and the work.
Date: November 13, 1917
Creator: Elrod, Albert K.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Road-Grader.

Description: Patent for a road grader, which will "excavate a ditch at the side of a road, and distribute the dirt from said ditch at a proper gradient upon the road" (lines 11-14).
Date: January 31, 1911
Creator: Fender, John Brown
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Partner: UNT Libraries Government Documents Department

Road-Working Machine.

Description: Patent for a road working machine, which claims to simplify and improve the type of this machine that is designed to "operate upon banks at the sides of the road for the purpose of trimming such banks and moving the surplus dirt in the direction of the center of the road." (lines 11-14)
Date: April 3, 1906
Creator: McBride, William J. & Alford, John J.
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Partner: UNT Libraries Government Documents Department
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