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Injection Apparatus

Description: Patent for an injection apparatus for use in adding chemicals to water supplies in sinks.
Date: July 5, 1910
Creator: Rodgers, Walter S.
Partner: UNT Libraries Government Documents Department

Mechanical Movement

Description: Patent for the invention of certain improvements in mechanical movements.
Date: July 29, 1910
Creator: Campbell, George W.
Partner: UNT Libraries Government Documents Department

Washboard

Description: Patent for a washboard designed to hold the soap in a manner in which the clothes will automatically be soaped while being rubbed on the board. Illustrations included.
Date: July 2, 1907
Creator: Wilkins, Willis A.
Partner: UNT Libraries Government Documents Department

Trolley

Description: Patent for a trolley that has a secure connection to the trolley line.
Date: July 4, 1911
Creator: Irwin, Walter W.
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
Partner: UNT Libraries Government Documents Department

Means for Ventilating and Expelling Water from Mines.

Description: Patent for a ventilation and water pumping system for mines, which pumps out water underground, removes foul air and gases, and keeps the mine supplied with fresh air through pressurizing the air in the mine.
Date: July 21, 1908
Creator: Durack, Patrick H.
Partner: UNT Libraries Government Documents Department

Process of Making Hydrochloric Acid and Calcium Carbid

Description: Patent for "new and useful processes in treating fused calcium chlorid with acetylene gas or other gases mixed therewith, whereby hydrochloric-acid gas and calcium carbid may be produced," (lines 12-16) thus making the manufacturing processes of hydrochloric-acid cheaper while also producing calcium carbid more economically.
Date: July 24, 1906
Creator: Seamon, William H.
Partner: UNT Libraries Government Documents Department

Priming Device.

Description: Patent for a priming device, used on internal combustion engines, that can be used to assist an engine heat up. Through this device, users can accelerate this process and benefit from a more fuel-efficient vehicle.
Date: July 9, 1918
Creator: Brooks, Howard
Partner: UNT Libraries Government Documents Department

Support.

Description: Patent for improvements in supports for cots or mosquito nettings with an objective to present a novel and convenient device that is applied in operative positions.
Date: July 4, 1916
Creator: Pewther, Judson C.
Partner: UNT Libraries Government Documents Department

Uterine Supporter.

Description: Patent for a uterine supporter which has a soft and flexible bulb supporting the uterus and a more rigid opposite end keeping the bulb in place. The device attaches to a cord on the waistband.
Date: July 16, 1907
Creator: Baird, William T.
Partner: UNT Libraries Government Documents Department

Lamp Attachment

Description: Patent for a new and improved Lamp Attachment which instantaneously extinguish lamp mechanically, without necessitating the employment a person's breath or the elevation of the lamps chimney.
Date: July 8, 1919
Creator: Rodriguez, Gavino
Partner: UNT Libraries Government Documents Department

Upward-Current Separating Process and Device.

Description: Patent for upward-current separation processes and devices to allow for working with changes in conditions and proportions with ease.
Date: July 3, 1917
Creator: Allen, Charles
Partner: UNT Libraries Government Documents Department

Harness.

Description: Patent for a harness that is simpler and more economical to make and is efficient in use.
Date: July 9, 1907
Creator: Crawford, Hezekiah H.
Partner: UNT Libraries Government Documents Department

Metallic Tie and Rail-Fastener

Description: Patent for a metallic tie and rail fastener that does not require the use of bolts.
Date: July 2, 1912
Creator: Arellano, Francisco
Partner: UNT Libraries Government Documents Department

Safety Device for Steam-Boilers.

Description: Patent for a safety device for steam boilers, which activates an alarm when water levels are too high on the fuse box that gives an earlier warning, does not allow the fuse box to be changed without the chief engineer being alerted, and prevents false alarms.
Date: July 14, 1908
Creator: Smith, James E.
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.
Partner: UNT Libraries Government Documents Department

Safety Attachment for Automatic Train Stops.

Description: Patent for an attachment to an automatic train stop device (Patent of The United States Number 1,267,179) which aims "to correct certain defects or deficiencies in the previous structure and so make the device more practical and reliable" (lines 15-17).
Date: July 2, 1919
Creator: Bulla, Melbern Bennie
Partner: UNT Libraries Government Documents Department

Scale.

Description: Patent for a new and useful scale, including instructions and illustrations.
Date: July 11, 1899
Creator: Bell, Chester L.
Partner: UNT Libraries Government Documents Department

Acetylene-Gas-Generating Apparatus.

Description: Patent for "improvements in apparatus for generating acetylene , and comprises the novel features." (lines 8-10) including illustration.
Date: July 24, 1900
Creator: Metcalf, Charles Wesley
Partner: UNT Libraries Government Documents Department

Calcining-Furnance.

Description: Patent for updates to "calcining-furnaces", specifically several original and new parts, including illustrations.
Date: July 31, 1900
Creator: Hughes, Godfrey
Partner: UNT Libraries Government Documents Department

Engraving-machine.

Description: Patent for improvements to an engraving machine. Illustrations included.
Date: July 1, 1902
Creator: Crane, Walter E.
Partner: UNT Libraries Government Documents Department

Screening Device.

Description: Patent for a screening device that offers "an improved means for imparting motion to and controlling or varying the motion of the screen to affect a separation of the materials undergoing treatment." (lines 10-13).
Date: July 24, 1917
Creator: Cole, David
Partner: UNT Libraries Government Documents Department

Slime Separator and Classifier.

Description: Patent for settler, separator, and classifier of different solid and liquid particles, includes illustrations.
Date: July 20, 1915
Creator: Allen, Charles
Partner: UNT Libraries Government Documents Department
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