UNT Libraries Government Documents Department - 81 Matching Results

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Acetylene Gas Generator.

Description: Patent for a acetylene gas generator which combines "both a generator and a gasometer the parts of which are so arranged as to render the machine efficient and entirely automatic in action, as well as inexpensive of production." (lines 16-20) including illustrations.
Date: October 14, 1902
Creator: Reynolds, Pearl P. & Reynolds, Jerry J.
Item Type: Refine your search to only Patent

Centrifugal Pump

Description: Patent for a centrifugal pump. This invention "relates to centrifugal pumps in which a rotary impeller, having a fluid-entrance at the eye, discharges into a surrounding discharge chamber" (lines 8-11). Illustrations included.
Date: October 2, 1906
Creator: Bettis, William Irvin & Hamilton, Hugh
Item Type: Refine your search to only Patent

Discharge for Tank-Cars.

Description: Patent for a oil tanker discharge system, which has the valves for releasing the oil on the exterior of the tank to allow for for repair work without entering the oil tank, thereby avoiding the dangers of gas inhalation to workmen.
Date: October 15, 1907
Creator: Russell, William D.
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Bust-Developer

Description: Patent for a bust developer which is battery operated and attaches cups to the breasts to draw the blood into the breast area and cause them to enlarge.
Date: October 12, 1909
Creator: Eganhouse, John G.
Item Type: Refine your search to only Patent

Bale-Band Tightener

Description: Patent for a bale-band tightener, for "baling-presses; and its object is to provide a new and improved bale-band tightener which is simple and durable in construction and arranged to permit the operator to conveniently place the bands in position and fasten the ends together after the bale is pressed." (Lines 7-13)
Date: October 5, 1897
Creator: Duval, John L.
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Apparatus for Hoisting Liquids from Wells.

Description: Patent for an “apparatus for raising liquid from wells by means of a compressed fluid, such as air or other vapors or gas“ (lines 9-12). The apparatus leaves liquid from the well under normal pressure during hoisting or pumping, and allows for varying amounts of liquid to be extracted.
Date: October 28, 1913
Creator: McCall, Duncan D.
Item Type: Refine your search to only Patent

Combined Plow and Harrow.

Description: Patent for combined plows and harrows, which operates to break up the earth after it has been plowed, while the plow is opening another furrow. This invention also features the provision of a harrow attachment which can be readily applied to or removed from various types of plows.
Date: October 21, 1913
Creator: Rohrer, Darius B.
Item Type: Refine your search to only Patent

Carbureter-Regulating Mechanism.

Description: Patent for improvements in carbureter-regulating mechanism by "automatically regulate the air and fuel valve of a carbureter, according to the speed of the engine and the load being carried thereby" (lines 12-15, p.1.) Illustration is included.
Date: October 21, 1913
Creator: Carpenter, John C.
Item Type: Refine your search to only Patent

Armor For Pneumatic Tires.

Description: Patent for armor for pneumatic tires to prevent puncturing of the inner inflatable tube. To also provide anti-skidding lugs which connect to the flexible armor embodied in the tire casing.
Date: October 16, 1917
Creator: Chilton, William G. & Hobgood, John H.
Item Type: Refine your search to only Patent

Break-Out Pin.

Description: Patent for a modified break-out pin on an oil derrick which makes it easier to release a wrench for unscrewing pipes when done, but still holds the wrench in place while in use.
Date: October 21, 1919
Creator: Headrick, James O.
Item Type: Refine your search to only Patent

Core-Barrel.

Description: Patent for a core barrel for use in rotary drilling of oil or water wells, that will allow for easy extraction of the upwardly extending column of material.
Date: October 14, 1919
Creator: Humason, Granville A. & Childs, William L.
Item Type: Refine your search to only Patent

Box Car Door Fastener and Spark Arrester.

Description: Patent for a new and improved box-car door fastener and spark arrester. This design consists in "the door, the screws extending therefrom, the strips having the inclined slots received on the screws, and provided with the projections, the lever pivoted on the screws outside the strip, stops on the lever to engage the projections, and means--such as cord--for locking the lever" (lines 4-11).
Date: October 19, 1886
Creator: Lynch, Hubbard Calhoun
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Cotton-Chopper

Description: Patent for a cotton-chopper with two moveable, adjustable cutting apparatuses, which is operated using the foot. One of the cutters moves along the path of travel of the device and the other is stationary, as to prevent the chopper from pulling the cotton plant from the ground while cutting. Patent includes illustrations.
Date: October 5, 1920
Creator: Dawson, William L.
Item Type: Refine your search to only Patent

Cement and Concrete Construction.

Description: Patent for improved, integrated construction materials system including, "reinforced cement, concrete or similar materials," air ventilation, lathing securing, and down spout construction, with instructions and illustrations.
Date: October 1, 1918
Creator: Parker, Barton J.
Item Type: Refine your search to only Patent

Fishing-Tool.

Description: Patent for improvements on the Fishing-Tool, including illustrations. The tool was improved in order to make the boring of wells using pipes more efficient.
Date: October 4, 1921
Creator: McMillian, John F.
Item Type: Refine your search to only Patent
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