UNT Libraries Government Documents Department - 1,440 Matching Results

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Plow-Stock.

Description: Patent for a simply, durably, and efficiently constructed plow-stock that "will admit of changes being made in an expeditious and convenient manner to facilitate the grouping of the shares or plows to be carried by the stock" (lines 11-14).
Date: July 30, 1895
Creator: Abbott, Joseph W.
Item Type: Refine your search to only Patent

BRICK-KILN.

Description: Patent for brick-kilns to "provide means for burning bricks in a much shorter time and more effectively than is possible with usual constructions, and, further, to protect the kiln-walls against the injurious effects of heat" (lines 9-13).
Date: October 30, 1900
Creator: Aber, Edgar
Item Type: Refine your search to only Patent

Snap-Hook

Description: Patent for a snap hook in order to "provide a hook of simple construction that shall be securely locked when in use" (p. 2)
Date: December 30, 1890
Creator: Adams, Don B.
Item Type: Refine your search to only Patent

Railway-Crossing

Description: Patent for crossings for railway tracks and particularly to means for closing the cut in the rails made for the flanges of the wheels, and the object is to provide sliding members which can be easily operated to close the slot or cut in the crossing rails for the flanges of the wheels so that a continuous tread will be formed for every wheel that passes over the crossing and to provide a mechanism for the tracks.
Date: March 30, 1909
Creator: Adams, Powell O.
Item Type: Refine your search to only Patent

Stalk-Chopper

Description: Patent for a stalk chopper that chops weeds, vines, and stalks into smaller pieces or kills them in order for the ground beneath to be readily cultivated.
Date: September 30, 1902
Creator: Adamson, William Levi
Item Type: Refine your search to only Patent

Car Coupling.

Description: Patent for a new and improved coupling for railroad cars. This design consists in "[t]he combination, with the draw-head having the downwardly and forwardly inclined floor and the floor slot or opening, of the coupling-bar having a curved or angular lever secured to its rear end and extending first downward through said opening and then under the draw-head" (lines 82-88).
Date: June 30, 1885
Creator: Anderson, Lee
Item Type: Refine your search to only Patent

Attachment for Harness.

Description: Patent for a new and improved attachment for harnesses. This design "relates to attachments for harness; and it consists of a plate having a safety-hook, a back-band buckle, and guide-rings" (lines 20-23).
Date: August 30, 1881
Creator: Applewhite, David T.
Item Type: Refine your search to only Patent

Double-Acting Pump

Description: Patent for a pump that obtains a supply of fluid from both strokes of the piston and delivers the fluid through a continuous stream. Illustrations included.
Date: August 30, 1910
Creator: Arnold, Henry Brown
Item Type: Refine your search to only Patent

Well-Casing Grapple

Description: Patent for a well-casing grapple, allowing a positive grip when lowering casing or pipe within a well, or withdrawing it therefrom, without the danger of slipping or accident.
Date: April 30, 1918
Creator: Artzt, Erich C.
Item Type: Refine your search to only Patent

Ventilator.

Description: Patent for a ventilating cowl for buildings for fire prevention by causing smoke and sparks to pass outside of a building or deflate to the surface below. The cowl is cone shaped with a deflecting surface and has several rings through which smoke and sparks can pass through to the outside.
Date: November 30, 1915
Creator: Ashorn, Inshrish
Item Type: Refine your search to only Patent
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