UNT Libraries Government Documents Department - 73 Matching Results

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Apparatus for Destroying Insects.

Description: Patent for a new and improved apparatus for killing ants. This design "consist[s] of frame, levers, pivoted arms, piston-rod, piston provided with valves and openings, air-tight iron chamber having opening pipe, furnace provided with double lid, lugs, pipe, clamp, and wedge . . . whereby the flame as well as the poisonous vapors are injected into the insect chambers" (lines 50-58).
Date: August 2, 1881
Creator: Gray, Hiram Balderston

Automatic Switch Indicator

Description: Patent for an automatic switch indicator. This invention is designed to "prevent accidents resulting from misplaced switches, due to the carelessness of the railroad employees or the inability of the engineer to see the customary track-signals" (line 14-19). Illustrations included.
Date: October 23, 1906
Creator: Coffin, Edward F.; Shaw, Carey & Green, Samuel


Description: Patent for ventilated barrels for shipment of fruits, vegetables, meat, and other articles in order to remain fresh
Date: February 28, 1882
Creator: McCormick, Willis B.

Bee Hive.

Description: Patent for improvements to "that class of bee-hives or bee-houses having a series of compartments..." (lines 15-17) with instructions and illustrations.
Date: May 21, 1878
Creator: Walton, George Slaughter


Description: Patent for a brooder which prevents chicks from entering after a certain number have gone through the door.
Date: November 5, 1912
Creator: Becker, August B.


Description: Patent for a new and improved clevis. This design "is to provide a clevis with a series of attaching-loops whereby the line of draft may be changed as circumstances may require, to bring the line of draft to either side of the plow-beam, or above or below the same, and to provide a clevis with a centrally-located attaching-loop, to be used where a direct or central draft is needed" (lines 11-18).
Date: January 26, 1886
Creator: Dunn, Henry Frankling

Combined Corn and Cotton Planter.

Description: Patent for a new and improved planter. This design "relates to the construction of a planter so arranged that by simply shifting the connection between the corn-slide and the crank-arm of an agitator the device may be adjusted to act as a planter of corn or cotton, but a single connecting-rod being employed in connection with a single driving crank-shaft to operate the planter both as a cotton and a corn planter" (lines 8-16).
Date: November 30, 1886
Creator: Walker, William

Composition For Staining Wood.

Description: Patent for a “paint or stain, which, when applied, will harden on the common woods of commerce, render them durable and smooth, and give them the exact appearance of black walnut” (lines 15-18).
Date: May 16, 1882
Creator: Gloger, Anton F., Jr. & Gloger, Joseph P.

Corn and Cotton Planter.

Description: Patent for a new and improved planter. This design, when used "as a corn-planter the slotted plate upon the inclined portion of the bottom is adjusted to cover the entire slot, and the pitman is attached to the pin projecting from the bar operating the seed slide, and when the machine is to be used as a cotton-planter the pitman is attached to the crank at the side of the seed-box, and the plate in the bottom of the box is adjusted so as to give the slot sufficient width to allow the cotton-seed to be forced through it" (lines 84-94).
Date: December 28, 1886
Creator: Armstrong, John J. & Lowrey, Andrew S.

Corn or Cotton Planter.

Description: Patent for a new and improved planter. This design consists in "the combination, with the hopper and the seed-slide therein having one end projecting from one end of the hopper, of the reciprocating yoke having its rear portion angular in cross-section and its front portion cylindrical in cross-section and having an arm at one end to engage the opening in the projecting end of the seed-slide, the angular and cylindrical bearings for the respective parts of the yoke, whereby the latter may be unshipped from or attached to the seed-slide, and the mechanism to reciprocate the yoke" (lines 71-83).
Date: April 23, 1889
Creator: Armstrong, John Joshua & Lowrey, Andrew Stephen

Cotton Sprinkler.

Description: Patent for a new and improved sprinkler. This design consists in "[t]he combination of the L-shaped nozzle having the longer arm and the shorter arm, the spring-board secured to the side of the [shorter] arm and projecting over the end thereof, and provided with a boss on its upper side, the L-shaped bracket secured to the side of the [shorter] arm and having one end projecting over the spring-valve and provided with a screw-threaded opening, and the thumb-screw inserted through and playing in said opening and having its end swiveled in the boss of the spring-valve" (lines 84-95).
Date: May 14, 1889
Creator: Kister, William


Description: Patent for a new and improved gate. This design "has for its object to provide a device of this character which shall be cheap and simple in its construction, one that may be easily operated, and yet be positive in its engagement with the latch to prevent it from being opened by cattle, &c." (lines 8-14).
Date: December 8, 1885
Creator: Dunn, Henry Frankling.