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Improvement in Car-Couplings.

Improvement in Car-Couplings.

Date: November 23, 1875
Creator: Harper, Derastus
Description: Patent for an improved automatic car-coupling, including illustrations.
Contributing Partner: UNT Libraries Government Documents Department
Improvement in Bridges.

Improvement in Bridges.

Date: May 26, 1873
Creator: Davis, Benjamin F.
Description: Patent for an improvement in Bridges and Self-Supporting Roofs and Girders. The invention provides instruction for "the construction of truss-bridges and self supporting roofs and girders"..."by nailing or bolting securely together successive layers of plank joined at different points."
Contributing Partner: UNT Libraries Government Documents Department
Riveting-Machine.

Riveting-Machine.

Date: June 30, 1891
Creator: Carl, Reinhold A.
Description: Patent for improvements in "which rivets may be rapidly set in the material to be riveted, the rivet being driven and headed at the same operatio and without first punching holes in the material to be riveted." (Lines 15-19) Illustration is included.
Contributing Partner: UNT Libraries Government Documents Department
Cattle-Guard for Railroads.

Cattle-Guard for Railroads.

Date: September 18, 1894
Creator: Brady, Peter L.
Description: Patent for a simple and inexpensive cattle-guard for railroads that improves on preventing cattle from passing from their enclosure onto a railway track. The invention does not trap animals or people or cause injury, and lies below the upper treads of the rails.
Contributing Partner: UNT Libraries Government Documents Department
Cattle-Guard.

Cattle-Guard.

Date: February 20, 1894
Creator: Brady, Peter L.
Description: Patent for a simple cattle-guard that provides an unstable footing for the cattle without injuring them, and thus preventing the cattle from going onto train tracks. The cattle do not get injured when stepping on this device.
Contributing Partner: UNT Libraries Government Documents Department
Knockdown Barrel.

Knockdown Barrel.

Date: November 11, 1884
Creator: Miller, James Harison
Description: Patent for a new and improved knockdown barrel. This design "is to provide a cheap and easily constructed knockdown barrel for shipping fruit and other commodities. [The] improvement consists of the construction and arrangement of parts" (lines 7-11).
Contributing Partner: UNT Libraries Government Documents Department
Riveting Machine.

Riveting Machine.

Date: April 1, 1890
Creator: Carl, Reinhold A.
Description: Patent for a new and improved riveting-machine. This design consists "of the upright frame having the cross-head in the upper front part thereof, the vertical driving rods . . . adapted to move in said cross-head, the upright with perforated top and spring-actuated sleeve attached to the frame below the rod, the separable rivet-holder attached to said rod by the arms, the frame, and the sleeve . . . the upright with solid top attached to the frame below the rod, and means, as pivoted levers . . . at the top of the machine, connecting-rods . . . and treadle-levers . . . for actuating the driving-rods" (lines 60-74).
Contributing Partner: UNT Libraries Government Documents Department
Riveting Machine.

Riveting Machine.

Date: August 5, 1890
Creator: Carl, Reinhold A.
Description: Patent for a new and improved riveting machine. This design "consist[s], essentially, of an upright-frame having a vertically-movable driving-rod therein, a vertically-separable set loosely mounted upon the lower end of the driving rod, and a stationary upright removably mounted in the frame beneath the driving-rod and set, [and] said upright having a spring-actuated sleeve extending above the upper end thereof" (lines 66-74).
Contributing Partner: UNT Libraries Government Documents Department
Cotton-Chopper.

Cotton-Chopper.

Date: March 23, 1886
Creator: Farley, John C.
Description: Patent for a new "machine for chopping surplus cotton or corn out of the rows or drills, leaving it in hills at the desired distance apart" (lines 8-11) including instructions and illustrations.
Contributing Partner: UNT Libraries Government Documents Department
Nut Lock.

Nut Lock.

Date: April 10, 1888
Creator: Brady, Peter Lewis
Description: Patent for a new improvements in the construction of the nut lock. Patent for "a new and improved version of the nut-lock and combination of latch or locking device in order to lock the nut to the bolt." (lines 8-27) including instructions and illustrations. Patent for a new nut-lock and latch, including illustrations.
Contributing Partner: UNT Libraries Government Documents Department
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