UNT Libraries Government Documents Department - 90 Matching Results

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Farm Gate.

Description: Patent for a new and improved farm gate. This design consists "[i]n a swinging-gate, the combination of a plate provided with notches upon its upper outer end and connected to the upper end of the inner gate-post, a lever pivoted to the plate and connected with the upper pintle of the gate, a latch pivoted to the lever and extending down through a slot therein to engage with the notches in the plate, and suitable cords and pulleys for operating the latch and lever" (lines 17-26).
Date: July 7, 1885
Creator: Akin, Leonidas T.
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Baling-Press

Description: Patent for "a device of this class which shall be simple in construction, in which considerable power ma be exercised without the use of complicated machinery, and which shall be rapid and effective in operation" (lines 9-14).
Date: July 23, 1889
Creator: Anderson, Zachariah J.
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Automatic Printing Device

Description: Patent for "improvements in automatic printing devices. . .whereby the printing is effected b the movement of the paper or fabric on which the printing is done" (lines 10-16).
Date: July 23, 1889
Creator: Barradall, Norborne D. & Bradley, Andrew Jackson
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Speed-Indicator.

Description: Patent for a speed-indicator to be used on trolly-cars and other vehicles that informs anyone looking behind the trolly-car if that car is speeding or not. An alarm goes off when the car goes above a predetermined speed, which is activated by a governor that is controlled from the wheels. A device keeps the signal normal.
Date: July 7, 1896
Creator: Bateman, Talbot Owens
Item Type: Refine your search to only Patent

Valve Control for Radiator Drain-Cocks.

Description: Patent for "controlling devices for operating the valves of radiator drain cocks and for cleaning the drain cock pipe, and the object is to provide a convenient device by which the drain cock valve can be easily and quickly closed or opened and by which the drain pipe can be cleaned and kept cleaned." (lines 10-16)
Date: July 27, 1920
Creator: Brandt, Herman
Item Type: Refine your search to only Patent

Swing

Description: Patent for a new lawn swing design meant to be "a simple and inexpensive swing which will be strong and durable" (lines 10-12) and that will engage all muscles in its operation, including illustrations.
Date: July 2, 1918
Creator: Bretz, Don C.
Item Type: Refine your search to only Patent

Tractor

Description: Patent for improvements to tractors which are designed with the driver's seat positioned on the trailing unit. The improvements allow for tools to be attached in such a way cultivating may be done near fences and other common obstructions.
Date: July 1, 1918
Creator: Chenoweth, William B.
Item Type: Refine your search to only Patent

Anti-Oscillating Attachment for Street-Cars.

Description: Patent for an improved anti-oscillating attachment for street-cars. It has a car truck, equalizing pivoting bars secured between the truck ends, cushions on either side of the bars, adjustable bolts that hold the bars in place, and springs between the bolts.
Date: July 10, 1894
Creator: Chollar, Benjamin F.
Item Type: Refine your search to only Patent

Thill-Coupling.

Description: Patent for a strong, durable, and simple thill coupling that does not need a spring connection in order to maintain a flexible connection between the thill and axle.
Date: July 25, 1893
Creator: Cobb, Woodson D.
Item Type: Refine your search to only Patent

Pump-Jack.

Description: Patent for improvements to pump jacks. Simple gravity actuated devices are provided to aid the power mechanism of the pump jack, resulting in smoother, more even operation.
Date: July 15, 1919
Creator: Dayton, William L.
Item Type: Refine your search to only Patent
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