UNT Libraries Government Documents Department - 713 Matching Results

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Sanding Device for Locomotives.

Description: Patent for a device that keeps sand from being lost during delivery and "whereby the emitting nozzle is kept clear and prevented from clogging up or freezing" (lines 15-17). It is an improvement on sanding devices.
Date: June 26, 1894
Creator: Chase, Floyd T.
Item Type: Refine your search to only Patent

Wagon Jack.

Description: Patent for a new and improved wagon jack. This design "relates to wagon-jacks, the object being to provide a jack of simple and economical construction which will be applicable alike to light and heavy vehicles. The invention consists in [an] improved construction" (lines 9-14).
Date: March 28, 1882
Creator: Clark, James
Item Type: Refine your search to only Patent

Hydraulic Pump.

Description: Patent for a pump that operates "a pump-rod designed especially to dispense with valves, valve-cages, or other impedimenta to the flow of liquid" (lines 40-44). It is capable of pumping liquids to elevated heights.
Date: December 15, 1896
Creator: Clarkson, William
Item Type: Refine your search to only Patent

Hydraulic Pump

Description: Patent for a hydraulic pump with "means for automatically supplying water to the pressure-pipe while the pump is working to replenish waste or leakage." (Lines 18-20) Includes instructions or illustrations.
Date: December 15, 1896
Creator: Clarkson, William
Item Type: Refine your search to only Patent

Pump.

Description: Patent for a pump "whereby the pressure exerted upon the liquid in the pressure-pipe is alternately high and low, the high pressure being utilized to elevate the pump-rod, giving a rapid upstroke, and the low pressure to lower said rod gradually and insure a return flow of the liquid in the pressure-pipe." (Lines 26-33) Includes instructions and illustrations.
Date: December 15, 1896
Creator: Clarkson, William
Item Type: Refine your search to only Patent

Pumping-Engine.

Description: Patent for a pumping engine that uses a "combined piston rod and plunger acting in the same vertical line and carrying a crank pin box and cross heads for driving the governing fly wheel" (lines 12-15). Mounting and dismounting this engine is simple, and the engine has easily accessible packing ends of the steam and water cylinders. Also, the adjustable yoke is improved in this engine.
Date: April 25, 1893
Creator: Clarkson, William
Item Type: Refine your search to only Patent

Soil Survey of Johnson County, Texas

Description: Text describes the area, climate, agricultural history and statistics, soil-survey methods and definitions, soils and crops, land uses and agricultural methods, irrigation, and morphology and genesis of soils of Johnson County, Texas.
Date: 1985
Creator: Coburn, Winfred C.; Bauer, Arthur R.; Thomas, Paul E. & Zaborske, Richard R.
Item Type: Refine your search to only Book

Means for Operating Churns.

Description: Patent for improvement in operation of churns by using a spring-bar to press the flanged wheel against the driving-wheel to cause the dasher-shaft to revolve, thus the cream will be churned quickly. Illustration is included.
Date: July 14, 1891
Creator: Conner, Laurance H.
Item Type: Refine your search to only Patent

Mechanical Motor.

Description: Patent for a new and improved motor. This design "provide[s] an apparatus by means of which a series of weights or balls may be successively and continuously elevated to any given height, to be subsequently employed to operate any suitable machinery by gravitation" (lines 15-20).
Date: January 11, 1881
Creator: Conner, Laurance H.
Item Type: Refine your search to only Patent

Shovel Plow.

Description: Patent for a new and improved shovel plow. This design "provide[s] a shovel . . . having extensible wings pivoted to its rear surface, and combined with suitable mechanism by which they may be extended and forced inward . . . second, [it] provide[s] novel means of adjusting the angularity of the shovel and its standard with reference to the beam of the plow; third, [it] provide[s] novel means for adjusting the positions of the outer ends of the handles" (lines 16-26).
Date: June 21, 1881
Creator: Conner, Laurance H.
Item Type: Refine your search to only Patent

Churn.

Description: Patent for a new and improved churn. This design consists in "[t]he combination, with a removable churn-body, of the frame, with a friction-wheel mounted thereon, a dasher-spindle provided with friction-wheel, movable notched bar, and spring-rod" (lines 79-83).
Date: August 18, 1885
Creator: Conner, Laurence H.
Item Type: Refine your search to only Patent

Cultivator.

Description: Patent for a new and improved cultivator. This design is "first, to provide for use in such implements a sectional axle which shall be capable of being so manipulated as to cause the wheels to be placed at a greater or less distance from each other; second, to provide the necessary mechanism and suitable combinations thereof for moving the parts of the axle and the wheels into their desired positions" (lines 20-27). This enables the cultivator to adapt to different spacings of crops, marking an… more
Date: June 21, 1881
Creator: Connor, Laurance H.
Item Type: Refine your search to only Patent

Spring Wheel

Description: Patent for a spring wheel to "provide an improved resilient wheel wherein spring members are interposed between the hub and rim maintaining them in yielding rotation" (lines 9-15).
Date: May 4, 1915
Creator: Corwin, Lawrence O. & Arnold, Wiley Moses
Item Type: Refine your search to only Patent

Process of Obtaining Oil and Stock Food from Cotton-Seed.

Description: Patent for a process for preparing stock food and extracting oil from cotton seed. The objectives include obtaining more oil from seed and a very nutritious stock food. The other objectives are eliminating waste of the residue after the oil has been extracted, regulating protein, and killing germs from the food. The patent includes illustrations.
Date: July 22, 1913
Creator: Covey, Thomas H.
Item Type: Refine your search to only Patent

Combined Chopper and Cultivator.

Description: Patent for a new and improved stalk cutter and cultivator. This design consists in "[t]he combination, in a chopper and cultivator, of the A-shaped frame carrying the plows, chopper, and the A-shaped truck-frame, said frame being mounted on the truck-frame by the cranks and provided with means for raising and lowering it" (lines 7-12).
Date: October 23, 1883
Creator: Daniel, Ellison Armistead
Item Type: Refine your search to only Patent
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