Texas Patents - 19 Matching Results

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Automatic Car-Dump

Description: Patent for automatic dumpers that can be readily and inexpensively fitted and adapted to most forms of dump car.
Date: April 22, 1913
Creator: Putnam, John J.
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Partner: UNT Libraries Government Documents Department

Automatic Separating Device.

Description: Patent for an automatic separating device. This device operates with a link that connects the float level at the top of the tank with a valve handle at the bottom of the tank to control discharge from the tank.
Date: January 22, 1918
Creator: Allen, Charles
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Partner: UNT Libraries Government Documents Department

Automobile-Alarm.

Description: Patent for a device to prevent the theft of automobiles capable of producing audio and visual signals as warnings of unauthorized access.
Date: April 22, 1919
Creator: Smith, Thomas H.
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Partner: UNT Libraries Government Documents Department

Collar-Form

Description: Patent for a device that will hold soft shirt collars in position, giving them a neater appearance.
Date: July 22, 1919
Creator: White, William D.
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Partner: UNT Libraries Government Documents Department

Fiber Cleaning Machine

Description: Patent for a machine for removing the bark or husk and pulp from fibrous plants. This machine promises to be smaller and more efficient than earlier models.
Date: August 22, 1911
Creator: Vaughn, Henry L.
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Partner: UNT Libraries Government Documents Department

Film-Winder for Cameras.

Description: Patent for a film-winder for cameras. This particular film-winder is designed so that the exact required amount of film is placed upon the lens of the camera.
Date: May 22, 1917
Creator: Mansfield, Clarence H.
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Partner: UNT Libraries Government Documents Department

Filtering-Machine

Description: Patent for a filtering machine which operates centrifugally to filter out solid matter from liquids. Illustrations included.
Date: June 22, 1909
Creator: Wilder, Richardson Timothy
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Partner: UNT Libraries Government Documents Department

Locking Device for Steering-Wheels.

Description: Patent for a new and improved locking device for steering wheels that secures the front axle of an automobile at an angle to prevent unauthorized movement beyond a small circle or curve, including illustrations.
Date: August 22, 1916
Creator: Coleman, Oscar F.
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Partner: UNT Libraries Government Documents Department

Paper-Guide.

Description: Patent for a Paper-Guide that can be folded, when it is not in service position, to allow it to be covered by the typewriting machine it is attached to. The patent includes illustrations.
Date: July 22, 1913
Creator: Davis, Alice Urilla
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Partner: UNT Libraries Government Documents Department

Piston

Description: The Patent for an improved piston to be used in connection with the cylinders of air brakes. The improvement involves making the removal and replacement of worn out packing material easier.
Date: July 22, 1913
Creator: King, Herbert G.
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Partner: UNT Libraries Government Documents Department

Process of Leaching Copper Ores

Description: Patent for "a method of recovering copper by the electrolysis of copper solutions of any suitable kind, obtained by the lixiviation of the ore" (lines 9-12). The improvement in this method is that almost all the sulfuric acid and other leaching agents are used up prior to the copper going to the electrolysis tanks which increases the amount of copper recovered and the reduction of accumulated biproducts.
Date: October 22, 1918
Creator: Hahn, Albert W.
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Partner: UNT Libraries Government Documents Department

Sash Lock and Lift

Description: Patent for sash lock and lift that "relates to improvements in devices for operating window-sashes, and especially provides an improved means for operating the upper sash and locking the same securely in any desired position with respect to the lower sash, thus obviating the necessity for reaching up for the upper sash when it is desired to raise or lower the same or to lock it in open position for the purpose of ventilation" (lines 12-21) including instructions and illustrations
Date: October 22, 1901
Creator: Schairer, John Jacob
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Partner: UNT Libraries Government Documents Department
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